Lighting

Do you have more than one bike? Get the most out of your Flux 900 headlight by getting an additional handlebar mount for easy switching between your rides. - Includes one piece axle and handlebar clamp. - The clamp will fit 25.4mm and 31.8mm bar diameters with included rubber grip pads.

This replacement part secures a Specialized Stix light but will break free to protect light if snagged or pulled too hard. - This replacement part works with the following Stix mounts: Stix Helmet Mount, Stix Saddle Mount, and Stix Reflector Mount

Increase your visibility by using the Stix Arm/Leg Band mount to attach your Specialized Stix light to arms and legs. - Includes rigid mount and fabric band for comfortable and secure hold. - Wraps around ankle to keep pant legs away from chainrings. - Increases visibility and versatility of Stix lights, both on an off the bike.

Stick a Stix on it. This fabric clip mount makes it a cinch to clip your Specialized Stix to a bag, jacket, or jersey for on-the-go visibility. - Stainless steel spring clip for secure mounting.

Mounts a Specialized Stix light to a CPSC, DIN standard reflector/rack bracket or the Specialized Pizza Rack. - Vertical CPSC hole pattern. - This mount can attach to the Horizontal Din hole pattern. - Specialized single hole pattern for the Pizza Rack. - Mounts Stix light horizontally. - Includes all mounting hardware.

With the Stix Switch 2-Pack, your lighting options are endless. How? The Stix Switch features the ability to switch between red and white modes with a simple, long press of the power button. So, if you need extra light up front, more visibility at the rear, or a traditional front/rear combo, the Stix Switch 2-Pack delivers. - 2 to 20-hour runtime - Headlight or taillight—you decide - Fresnel lens for maximum visibility in all directions - Red/Green battery charge level indicator - Three white modes: Steady (65 lumens), Power Flash (100 lumens), Eco Flash (35 lumens) - Five red modes: Steady (18 lumens), Surge Glow (16 lumens), Power Flash (30 lumens), Disco Flash (15 lumens), Eco Flash (8 lumens) - Charges in the USB port of any laptop or phone charger in two hours (no extra cables needed) - Flexible mounting system works with handlebar and seatposts from 22.2mm up to 35mm in diameter, as well as most seatstays - Additional mounting options available (sold separately)

High-efficiency charger cable for Flux headlights. - High capacity wire can transfer more power with less loss. - Custom "L" shaped Mini USB Male for the best fit to Flux headlights. - NOTE: This is a CHARGE ONLY cable and cannot be used for data transfer.

The NiteRider Swift 500 delivers everyday reliable performance in an economical ultra compact head light. Sporting features like an easy on and off handlebar strap mount, low battery indicator and to top it off, it's USB Rechargeable; making it the perfect light of choice for commuters and cycling enthusiasts. Although small in size, make no mistake; the Swift 500 packs a big punch with a maximum light output of 500 lumens! Powered by an internal Lithium Ion battery, in Walk Mode, the Swift 500 can run for up to twenty-five hours before it needs a charge. - Highly durable design made with fiberglass reinforced plastic - Smooth 500 lumen beam pattern in an ultra compact and lightweight design - Innovative Collimator Lens – optimizes your field of view - Built-in, easy on and off handlebar strap mount - 4 Light Levels plus 1 Daylight Flash Mode - Fuel Gauge / Battery Level Indicator - FL1 Standard IP64, dust and water-resistant - Convenient USB rechargeable WARRANTY - The Swift 500 is backed by NiteRider's lifetime warranty that covers any defects in material and workmanship, mechanical components (housings, covers, mounts and fasteners) and LEDs. SYSTEM INCLUDES - LED Light Head - Internal Li-Ion Battery - Build-in, Handlebar Mount - USB Charging Cable

Vmax+™ 150 is NiteRider’s first taillight featuring COB (Chip-on-Board) LEDs, which for cyclists means it emits highly visible flash patterns in a smaller, more compact package. Its feather-like light weight makes it perfect as a wearable safety light—easily clipping onto straps, belt loops, and more. For added convenience, the Vmax+ 150 features mode memory, will power ON in the last mode used. SWIFT™ 500 FRONT LIGHT FEATURES? - Lumen Output: 500 - 5 Modes with Run Times: 1:40 – 32:00h - Charge Time: 1:45h at greater than 500mA | 3:00h at 500mA - Water / Dust Resistant IP64 Rated - Micro USB Rechargeable SWIFT™ 500 RUN TIMES* - Low - 10:00h at 150 Lumens - Med - 3:40h at 250 Lumens - High - 1:40h at 500 Lumens - Flash - 12:30h at 500 Lumens - Walk - 32:00h at 30 Lumens Vmax+™ 150 TAILLIGHT FEATURES - Lumen Output: 150 - 6 Modes with Run Times: 4:30-25:30h - Charge Time: 2:00h - Weight: 59g - Water / Dust Resistant IP64 Rated - USB-C Rechargeable - Mode Memory (Powers ON in last mode used) Vmax+™ 150 RUN TIMES* - Fast Flash - 11:30h - Slow Flash - 9:30h - Disco Flash - 9:45h - Pulse Flash - 6:00h - High Steady - 4:30h - Low Steady - 25:30h *Run times are approximations and may vary

Vmax+ 150 is NiteRider’s first taillight featuring COB (Chip-on-Board) LEDs, which for cyclists means it emits highly visible flash patterns in a smaller, more compact package. Its feather-like light weight makes it perfect as a wearable safety light—easily clipping onto straps, belt loops, and more! For added convenience, the Vmax+ 150 features mode memory, will power ON in the last mode used. - 6 Modes with Run Times: 4:30-25:30h - Lumen Output: 150 - Charge Time: 2:00h - Water / Dust Resistant IP64 Rated - USB-C Rechargeable - Mode Memory (Powers ON in last mode used)

This mount is designed to securely attach your Light and Motion Seca, Vega, or Stella headlight (sold separately) to your helmet. With a helmet mount, the light is always pointing where you're looking.

A cost-effective light for city riders needing high visibility, Vya Smart Headlight features an always-on SafePulse beam that alerts motorists over 1KM away. Auto-on/off sensors – like all Vya lights – automatically activate the light when a ride is started and turns itself off after, with a delay built in for stoplights. The simple convenience is a feature riders love, eliminating the need to turn on/off lights. A scientifically designed SafePulse beam pattern for daytime riding not only gets noticed, but allows the driver to accurately judge distance from the rider and their direction of travel – a safety feature not possible with strobing lights. Attaching Vya is effortless with a simple clockwise 1/4 turn into the mount locking the light in place and activating the auto-on feature. When it comes time to recharge, remove Vya from the mount in seconds and insert the integrated USB paddle directly into a computer or USB power outlet – no cables keeps recharging simple and efficient. The next evolution in bike lighting, Vya Smart Lights are unmatched for their ultra-compact engineering and effortless safety. Features - 150 Lumen Output with variable SafePulse beam pattern optimized for day and night visibility - Smart technology senses motion and automatically turns Vya on when inserted into mount and will remain on, even when a rider pauses at stoplight; Auto-off when bike is parked or light is removed from mount - SafePulse beam pattern scientifically designed to enhance a driver’s ability to judge the cyclist’s distance and direction of travel without the risks associated with flashing lights - Premium Cree LED can be seen over 1KM in daylight - 10 hour runtime perfect for those that want safety light that doesn’t need to be recharged everyday - Versatile mounting design can be secured to a range of handlebars, optional GoPro mount interface for unlimited mounting options - USB Mount Receptor allows light to be securely mounted or removed from bike in seconds with a simple, secure 1/4 turn lock; light will not turn on when removed from mount - Direct USB charging without cables fully charges in 2 hours - Made with bio-renewable material waterproof to 1 meter (when inserted in mount) for all-conditions reliability (IP67 Rated) Specifications - Lumens: 150 (SafePulse) - Runtime: 600 min (SafePulse) - Beam Angle: 30° (flood) - Charge Time: 120 min

The Vya Pro Headlight give commuters innovative day/night visibility in a platform that be installed/removed from the bike in seconds. Sensing ambient light, the smart headlight knows to pulse in the daytime but remain steady at night – automatically adjusting to the safest riding mode possible. Auto-on/off sensors – like all Vya lights – automatically activate the light when the ride is started and turns itself off after the ride, with a delay built in for stoplights. The simple convenience is a feature riders love, eliminating the need to turn on/off lights. A scientifically designed SafePulse beam pattern for daytime riding not only gets noticed from motorists, but allows the driver to accurately judge distance from the rider and their direction of travel – a safety feature not possible with strobing lights. Attaching Vya is effortless with a simple clockwise 1/4 turn into the mount locking the light in place and activating the auto-on feature. When it comes time to recharge, remove Vya from the mount in seconds and insert the integrated USB paddle directly into a computer or USB power outlet – no cables keeps recharging simple and efficient. The next evolution in bike lighting, Vya Smart Lights are unmatched for their ultra-compact engineering and effortless safety. Features - 200 Lumen Output (250 in Daytime SafePulse mode)  certified to the FL-1 Standard with high powered premium CREE LED - Ambient light sensors detects automatically adjust mode based on the most safe beam pattern for riding: SafePulse in the daytime and steady at night - Smart technology senses motion and automatically turns Vya on when inserted into mount and will remain on, even when a rider pauses at stoplights - Auto-off when bike is parked or light is removed from mount to prevent the dreaded ‘dead bike light’ when it comes time for the next ride - SafePulse beam pattern scientifically designed to enhance a driver’s ability to judge the cyclist’s distance and direction of travel without the risks associated with flashing lights - Horizontal design with custom optic gives a powerful, concentrated burst of light to be recognizable over 2KM away in daylight - 6 hour runtime during the day (SafePulse) and 2 hours at night (solid mode) ideal for day/night commuting - Versatile mounting design can be secured to a range of handlebars, optional GoPro mount interface for unlimited mounting options - USB Mount Receptor allows light to be securely mounted or removed from bike in seconds with a simple, secure 1/4 turn lock; light will not turn on when removed from mount - Direct USB charging without cables fully charges in 2 hours - Made with bio-renewable material waterproof to 1 meter (when inserted in mount) for all-conditions reliability (IP67 Rated) Specifications - Lumens: 200 (high), 250 (SafePulse) - Runtime: 120 min (high), 360 min (SafePulse) - Beam Angle: 20° (flood) - Charge Time: 120 min

Safety is job #1 and the Vya Series delivers premium safety with the convenience commuters love. Vya Switch is the latest addition to the Vya Family, foregoing auto on/off technology for a traditional button design. Why the new design? We had multiple requests from riders who loved the power and simple effectiveness of our Vya taillight but wanted to adjust runtime or change to a solid mode for group riding and bike path commutes. The button control also allows cyclocross and mountain bikers who hit pavement en route to the dirt the ability to turn the light on/off as needed. Oh yeah, did we mention the purists who are so accustomed to manually turning their lights on and off that not doing so creates that 'Did I forget Something' feeling? Yes control freaks – Vya Switch is for you! - 100 Lumen Output certified to the FL-1 Standard with high powered premium CREE LED - Switch control provides multiple modes for longer runtime plus a solid mode perfect for bike paths/group rides - Designed for traditionalists, Vya Switch is turned on/off by button (does not have the auto on/off feature of other Vya Lights) - SafePulse beam pattern scientifically designed to enhance a passing driver's ability to judge the cyclist's distance and direction of travel without the risks associated with flashing lights - Horizontal design with custom optic gives a powerful, concentrated burst of light to be recognizable over 2KM away – perfect for road cyclists - 100 lumen SafePulse output maintains safety for a full 6 hours; for all-day adventures switch to 50 lumen SafePulse mode for an impressive 12 hours runtime - Ultra-compact mount with durable rubber strap designed to be compatible with various size seat posts and can even be attached to seat stays - USB Mount Receptor allows light to be securely mounted or removed from bike in seconds with a simple, secure 1/4 turn lock - Direct USB charging without cables fully charges in 2 hours - Made with bio-renewable material waterproof to 1 meter (when inserted in mount) for all-conditions reliability (IP67 Rated) - Lumens: 100 (high), 50 (medium), 25 (low), 100 (SafePulse) - Runtime: 360 min (high), 720 min (medium), 240 min (low), 360 min (SafePulse) - Beam Angle: 30° (flood) - Charge Time: 120 min - Fast Charge: No - IP Rating (FL-1): 67 - Depth Rating (FL-1): 1 meter(s) - Impact Resistance (FL-1): 1 meter - Product Weight: 30 grams - Product Dimensions: 2.6" x 1.3" x 0.8" - Compatible Mounts: Seat Post

The future of cycling taillights is here. Vya is a game-changing design, blending powerful output with revolutionary smart features. The piercing 50 lumen output is easily visible over a distance of 1km, even in bright daylight. What separates Vya from traditional taillights are smart auto-on/off sensors – start riding and the light turns on automatically and will shut itself off after the ride, with a delay built in for stoplights. The scientifically designed SafePulse beam pattern not only gets noticed from motorists, but allows the driver to accurately judge distance from the rider and their direction of travel – a safety feature not possible with strobing lights. Attaching Vya is effortless with a simple clockwise 1/4 turn into the mount locking the light in place and activating the auto-on feature. When it comes time to recharge, remove Vya from the mount in seconds and insert the integrated USB paddle directly into a computer or USB power outlet – no cables keeps recharging simple and convenient. The next evolution in bike safety, Vya takes powerful safety lighting and keeps the rider safe so they can focus on the road ahead. Features - 50 Lumen Output certified to the FL-1 Standard with high powered premium CREE LED - Smart sensor technology senses motion and automatically turns Vya on when inserted into mount and will remain on, even when a rider pauses at stoplights - Auto-off when bike is parked or light is removed from mount to prevent the dreaded ‘dead bike light’ when it comes time for the next ride - SafePulse beam pattern scientifically designed to enhance a passing driver’s ability to judge the cyclist’s distance and direction of travel without the risks associated with flashing lights - Beam pattern optimized to give a wide red swath of light that can be seen clearly from the rear and side ideal for city riding - An impressive 8 hour runtime allows Vya to be used on multiple rides before needing a recharge, low battery status is indicated by rapidly flashing sidelights - Ultra-compact mount with durable rubber strap designed to be compatible with various size seat posts and can even be attached to seat stays - USB Mount Receptor allows light to be securely mounted or removed from bike in seconds with a simple, secure 1/4 turn lock; light will not turn on when removed from mount - Direct USB charging without cables fully charges in 2 hours - Made with bio-renewable material waterproof to 1 meter (when inserted in mount) for all-conditions reliability (IP67 Rated) Specifications - Lumens: 50 (SafePulse) - Runtime: 480 min (SafePulse) - Beam Angle: 30° (flood) - Charge Time: 120 min

It sees what you can't. Varia RCT715 rearview radar with camera and tail light continuously records your ride and automatically saves footage before, during and after events if it detects an incident. The bright tail light makes you more visible to motorists. And Varia RCT715 integrates seamlessly with your Garmin bike computer or the Varia mobile app on your paired compatible smartphone to alert you to traffic as you ride. The app allows for live video viewing for camera setup, plus video transfer so you can replay footage postride. A selection of operation modes lets you flex camera and tail light features to maximize battery life for longer rides.

Solid aluminum dropper post mount to attach rear bikepacking bag, larger saddle bag, bottle cage, tail light, and more.

- High power 100 lux LED light, more than 50,000 hours life span - Compatible with 6-12V E-bike battery - High-quality metal housing - Double-Lens-Tech for perfect light distribution and high efficiancy - Visible from the side - Retro reflector can be mounted optionally - 105g

- High power 50 lux LED light, more than 50,000 hours life span - Compatible with 6-12V E-bike battery - Visible from the side - Double-Lens-Tech for perfect light distribution and high efficiancy - Retro reflector can be mounted optionally - 70g

Replacement LED assembly for the Centro LED helmet.

Our latest to-see-by headlight, the Flash 300 brings Flux-style beam control to a more budget-friendly pricepoint. The Flash headlight combines a clean, compact design with a simple-yet-elegant silicone strap that reminds us of a watchband design from our friends in Cupertino. With two different-sized straps included, you can dial in just the right amount of stretch to keep the Flash secure, while ensuring super fast install and removal. Now you see it, now you don't. Thanks to its 700mAh battery pack, the Flash 300 will deliver 300 lumens for 1.5 hours, all the way up to 75 lumens for 6 hours. In Flash mode, you get 150 lumens for 12 hours. - 700mAh rechargeable Li-ion battery pack is an economical choice that delivers real-world usable lumens and runtimes. Micro USB cable included. - Extra bright side lights to give you 180-degree visibility to other cyclists and motorists. - Flash mode: 150 lumens for 12:00 hours - IPX7 waterproof means this light will be there when you need it, even in the hardest rain. - Includes two different-sized straps to fit every round handlebar cockpit. (Flash headlights are not suitable for aero handlebars.) - Installs in seconds with a silicone strap system. Just pull the strap under the handlebar and drop it into the slot on the light body. - Single-LED oval beam pattern gives a perfect blend of spot and peripheral visibility. - Steady High mode: 300 lumens for 1:30 hours - Steady Low mode: 75 lumens for 6:00 hours - Steady Medium mode: 150 lumens for 3:00 hours

Our latest to-see-by headlight, the Flash 500 brings Flux-style beam control to a more budget-friendly pricepoint. The Flash headlight combines a clean, compact design with a simple-yet-elegant silicone strap that reminds us of a watchband design from our friends in Cupertino. With two different-sized straps included, you can dial in just the right amount of stretch to keep the Flash secure, while ensuring super fast install and removal. Now you see it, now you don't. Thanks to its 1400mAh battery pack, the Flash 500 will deliver 500 lumens for 2 hours, all the way up to 125 lumens for 8 hours. 250 lumens of Flash mode gives you a whopping 16 hours of runtime. - CREE XP-G3 LED delivers big-time lumens. - Class-leading 1400mAh rechargeable Li-ion battery pack to back up those lumens with real-world usable runtimes. Micro USB cable included. - Extra bright side lights to give you 180-degree visibility to other cyclists and motorists. - Flash mode: 250 lumens for 16:00 hours - IPX7 waterproof means this light will be there when you need it, even in the hardest rain. - Includes two different-sized straps to fit every round handlebar cockpit. (Flash headlights are not suitable for aero handlebars.) - Installs in seconds with a silicone strap system. Just pull the strap under the handlebar and drop it into the slot on the light body. - Single-LED oval beam pattern gives a perfect blend of spot and peripheral visibility. - Steady High mode: 500 lumens for 2:00 hours - Steady Low mode: 125 lumens for 8:00 hours - Steady Medium mode: 250 lumens for 4:00 hours

With the Flash Headlight/Taillight Combo, you're equipped with everything you need to be seen—day or night. It features up to 70 lumens in the front and 20 lumens in the rear, and it features the versatility of four light modes, ranging from steady and strong to flashing and brilliant. Increase your visibility with the Flash Headlight/Taillight Combo. - Headlight: 20- to 70-lumen output. - Headlight: 2 hours to 24 hours runtime. - Tail light: 5- to 20-lumen output. - Tail light: 2 hours to 20 hours runtime. - Flexible mounting system works with handlebar and seatposts from 22.2mm up to 35mm in diameter, as well as most seatstays, helmets, and saddle bags. - Four headlight modes including: Steady (55 lumens), Power Flash (70 lumens), Disco Flash (55 lumens), Eco Flash (20 lumens) - Four taillight modes including: Steady (10 lumens), Power Flash (20 lumens), Disco Flash (14 lumens), Eco Flash (5 lumens)

Heading out after dark and need lights? Look no further than the Flash Pack. This combo kit includes the new Flash 300 headlight with our tried-and-true Flashback taillight. See where you are going, and be seen by motorists, all the while not breaking the bank. Whether you are an all-conditions commuter or a student riding across campus, the Flash Pack has got you covered. - Single-LED headlight oval beam pattern gives a perfect blend of spot and peripheral visibility. Single-LED taillight for rear visibility. - 700 + 200mAh rechargeable Li-ion batteries charge in 2:00 hours each with included micro USB cables. - Headlight installs in seconds with a silicone strap system. Just pull the strap under the handlebar and drop it into the slot on the light body. - Includes two different-sized straps to fit every round handlebar cockpit. (Flash headlights are not suitable for aero handlebars.) - Extra bright side lights to give you 180-degree visibility to other cyclists and motorists. - O-ring mount (extra o-ring included) fits all round seatposts. - IPX7 waterproof means these lights will be there when you need them, even in the hardest rain. - White Steady High mode: 300 lumens for 1:30 hours - White Steady Medium mode: 150 lumens for 3:00 hours - White Steady Low mode: 75 lumens for 6:00 hours - White Flash mode: 150 lumens for 12:00 hours - Red Steady mode: 10 lumens for 2:00 hours - Red Power Flash mode: 20 lumens for 4:00 hours - Red Disco Flash mode: 14 lumens for 6:00 hours - Red Eco Flash mode: 5 lumens for 20:00 hours

Put this little bright spot anywhere—your belt, your backpack, your seatpost—and ride on. The Flashback is your go-to savior, packing a mighty “I’m here!” punch to keep you visible on the streets. With its belt clip, you can literally clip it on just about anything, and its compact size makes it a total no-brainer for keeping your ride safe and your street-cred high. - Compact, bright, and waterproof. - Built-in fabric belt clip makes it a clip-anywhere taillight option (seatpost mount included). - Four operating modes: Steady (10 lumens), Power Flash (20 lumens), Disco Flash (14 lumens), Eco Flash (5 lumens). - 2- to 20-hour runtime, depending on mode. - Tested and approved for the following Specialized helmet models: Align, Ambush Comp, Chamonix, Propero II, Echelon II

Serious road riders put in serious miles. Most of those miles occur in the daytime, when bright ambient conditions mean you need huge lumens numbers to be seen by motorists. But there's no reason a super-bright taillight can't look the part on the fastest road bikes. You invest in the best road bike technology--you deserve an equally fast taillight. Packing a huge punch with 250 lumens, the Flux 250R taillight is visible at more than 1 mile (1.5 km) in the brightest daytime conditions. Here in Morgan Hill, California we get those conditions all the time, this is the taillight we made for ourselves, and for you. - Designed to fit round and D-shaped seatposts. - Disco Flash mode: 250 lumens for 8:00 hours - Eco Flash mode: 25 lumens for 60:00 hours - Hybrid spherical lens and Fresnel lens over three high-power LEDs to send lumens for mile, or kilometers. - IPX7 waterproof means this light will be there when you need it, even in the hardest rain. - Includes 3 different size EPDM o-rings to fit a wide variety of seatposts. 2 o-rings included per size for spares. - Massive 1000mAh battery recharges via included micro USB cable in 2:15 hours. - Overmolded bezel for excellent side visibility. - Power Flash mode: 250 lumens for 8:00 hours - Steady High mode: 100 lumens for 3:00 hours - Steady Low mode: 25 lumens for 12:00 hours - Three CREE XBD 901 LEDs for maximum brightness and efficiency.

Looking to take your second-generation Flux headlight off-road? You're going to need a helmet mount. - Breakaway design prevents snagging on overhead objects - Hook-and-loop strap can be reoriented 90 degrees to give additional mounting options - Fore/aft adjustability for optimal placement regardless of helmet vents - Action camera style hinge works with third-party mounts

Want to run your Flux headlight on the latest trail bikes? You're going to need this mount for your 35mm cockpit. - Quick-release extruded aluminum handlebar clamp. - Clamp fits 35.0mm handelbars.

Day or night, the Stix Elite headlight packs a powerful punch. Running in Steady-High mode at night, it delivers 100 lumens of focused, strong, and bright light to guide your way. It’s a true to-see-by headlight. During the day, your visibility and safety becomes its first priority. Running in Power Flash mode, this tiny package delivers 200 lumens-worth of, “see me now,” light, making it a beacon for all road users. And depending on the chosen mode, the Stix Elite will run for up to 112 hours, and it’s easily charged via built-in USB tab, which eliminates the need for a cable. - 12 to 200 lumens output - Spherical lens delivers a to-see-by beam pattern. Fresnel lenses for secondary LEDs provide wide angle visibility - 2.5- to 112-hour runtime - Charges in the USB port of any laptop or phone charger in two hours (no extra cables needed) - Flexible mounting system works with handlebars from 22.2mm up to 35mm in diameter - Six modes including: Steady High (100 lumens), Steady Low (38 lumens), Power Surge (97 lumens), Power Flash (200 lumens), Disco Flash (63 lumens), Eco Flash (12 lumens) - Red/Green battery charge level indicator - Additional mounting options available separately

Nothing says, “see me now,” louder than a strong and bright taillight, both for day or nighttime use. With its spherical lens, which directs lumens more than a 1/2 mile (800m) in the brightest California sun, the Stix Elite taillight is the go-to taillight for our infamous Lunch Ride. It’s all about peace of mind, really, and with its six light modes, you get multiple options for day or night visibility. And depending on the chosen mode, this taillight will run for up to 77 hours, and it’s easily charged via built-in USB tab, which eliminates the need for a cable. - 12 to 100 lumens output - Dome lens concentrates output from CREE XBD P4 center LED for 1/2 mile (800m) visibility in the brightest sun. Fresnel lenses for secondary LEDs provide wide angle visibility - 2.5- to 77-hour runtime - Charges in the USB port of any laptop or phone charger in two hours (no extra cables needed) - Flexible mounting system works with seatposts from 22.2mm up to 35mm in diameter, plus it's compatible with most seatstays (Aero strap mount available separately) - Six operating modes: Steady High (50 lumens), Steady Low (18 lumens), Power Surge (37 lumens), Power Flash (100 lumens), Disco Flash (40 lumens), Eco Flash (12 lumens) - Red/Green battery charge level indicator - Additional mounting options available separately