Lighting

• 150 lumen headlight • 3 red led taillight • Battery headlight: 3 'AA' included • Battery tail light: 2 'AAA' included • Runtime headlight: 30-70 hours depending on setting • Runtime taillight: 200 hours max

The UTL-15 is a great everyday tail light. Be seen with this 15 lumen, 3 mode, and ABS constructed light. FEATURES - 3 LED Design for Easy Visibility - IPX3 Waterproof - Charges From Dead to Fully Charge in 2 Hours - Last Mode Memory SPECS - Solid Modes: High (15 Lumens): 2 hrs, Low (7 Lumens): 4.5 hrs - Flash Modes: KITT Flash (5 Lumens): 14.5 hrs, Flash (15 Lumens): 4 hrs - Weight: 56 Grams with Bracket - Battery: Lithium Polymer

Serfas E-Lume USL-350 Headlight / Cosmo 15 UTL-15 Tail Light USL-350 E-Lume 350: - Daytime Flash Mode - Up To 80 Hrs Runtime - Extruded Aluminum Body - Integrated USB Rechargeable Li-Ion Battery - Backlit Button Indicates Charge Status and Low Battery - Handlebar Bracket UTL-15 Cosmo 15: - 3 LED Design - IPX3 Water Resistance - Charge To Full In 2 Hrs From Empty - Last Mode Memory

USM-350 E-Lume 350 Lumen Headlight - All-In-One Design - Extruded Aluminum Body - Press and Hold Button Lock - Daytime Flash Mode - Up To 90 Hours Runtime - Integrated USB Rechargeable Li-Ion Battery - Backlit Button Indicates Charge Status and Low Battery - Handlebar Bracket - USB Charging Cable UTM-30 Cosmo 30 Lumen Tail Light - 270 Degree High Visibility Design - Highly Adjustable Mounting System - Daytime Flash Mode - 5 Modes: 2 Solid / 3 Flash - Micro USB Rechargeable

USM-600 E-Lume 600 Lumen Headlight - All-In-One Design - Extruded Aluminum Body - Press and Hold Button Lock - Daytime Flash Mode - Up To 90 Hours Runtime - Integrated USB Rechargeable Li-Ion Battery - Backlit Button Indicates Charge Status and Low Battery - Handlebar Bracket - USB Charging Cable UTM-60 Cosmo 60 Lumen Tail Light - 270 Degree High Visibility Design - Highly Adjustable Mounting System - Daytime Flash Mode - 5 Modes: 2 Solid / 3 Flash - Micro USB Rechargeable

Replacement Part – Oversized Handlebar Bracket (35mm) - Reinforced internals take more abuse - Fits oversized 35mm mtb bars - No tools needed - Included with USL-1100 & USL-1500 - Weight: 40 grams - Works for all Serfas headlights except for: SL-200, SL-30WP, & SL-40WP

USB rechargeable Serfas headlight/taillight combo kit TSL-1100C True 1100 Commuter Headlight: - Super-Bright 1100 Lumen Output - Wrap-Around Amber LED Illuminated Side Marker - Extra-Large Power Button - Backlit LED Battery Level Indicator - USB-C Charging Port - 1A Charging - Last Mode Memory - Includes Bar Bracket and Go-Pro Mount Adapter - Interchangeable and Easy-To-Remove Li-Ion Battery - No-Tools-Required Installation - IPX6 Water Resistance Rating - Weight: 124 Grams w/Bracket - Battery: 1-Cell Li-Ion, 3350 mAh - Charge Time: 3.75 hrs To Full At 1A Using USB Wall Charger Solid Mode: - High 1100 Lumens—1.75 hrs - Medium 500 Lumens—4 hrs - Low 250 Lumens—7.5 hrs Flash Mode: - Daytime 1100 Lumens—30 hrs - Low 150 Lumens—40 hrs TSV-350 Vulcan 350 Tail Light: - 350 Lumens (Daytime Flash) - Three Super-Bright CREE LEDs - Finned Lens Design Provides 270 Degree Visibility - LED Charge Indicator - Auto Safe Mode - Daytime Flash Mode - Up To 20 Hours Runtime - USB C Rechargeable - Aero Post Compatible Bracket - Weight: 52 Grams w/Bracket - Battery: 1050 mAh Lithium Polymer Solid Modes: - High (140 Lumens): 1 hr 30 mins - Low (35 Lumens): 6 hrs Flash Modes: - Daytime Flash (350 Lumens): 19 hrs - High Flash (200 Lumens): 9 hrs - Low Flash (50 Lumens): 20 hrs - Auto Safe Mode Extends Runtime Additional 45 mins

Replacement Part – Universal Handlebar Bracket - Fits all current Serfas headlights with a removable bracket - Fits bars up to 31.8mm horizontal & vertical adjustable - Easily removes from bar in seconds - No tools needed - Works With: TSL-100, TSL-150, TSL-150+, TSL-200, TSL-250, TSL-250+, TSL-500, TSL-500+, TSL-1000, TSL-1500, SL-155, SL-255, USL-155, USL-305, USL-505, TSL-350, TSL-550, TSL-750, TSL-T1000, TSL-LT1000, TSL-1200, TSL-1800, TSL-2500, HL-1.1, & SL-30WP - Works for all Serfas headlights EXCEPT for SL-200 & SL40WP

Replacement Part – Headlight Bracket - Fits all Serfas headlights - Long silicone strap allows endless mounting options - No tools needed - Cannot be used with: TST-70, TST-100, TST-150 & TBT-50R

A classic bike light with a modern twist, the Classic Drive XL 700+ front light puts out 700 lumens (up to 45 hours of runtime) via a single high-output LED emitter. It's built around a sleep cylindrical housing that offers a compact and lightweight form factor. Its waterproof USB-C with 2A+ fast charging capability is convenient for recharging(cable not included). The machined aluminum construction ensures durability and efficient heat dissipation. Rigorously tested to IPX7 Waterproofing standards, it is built to withstand various weather conditions. Choose from 7 different output modes, from the highly disruptive Daytime Flash mode to the long-lasting 45-hour runtime in Femto Mode.. The Infinite Light Power Pack+ compatibility offers versatility and extends runtimes. - Max 700 lumens / 45-hour runtime in Femto mode - Max 700 lumens / 45-hour runtime in Femto mode - Classic Lezyne styling with modern technology - Machined aluminum construction - Daytime Flash mode with Highly Disruptive Pattern - Waterproof USB-C charging port with charge indicator - 2Amp fast charging - Infinite Light Power Pack+ Compatible for extended run times - Rigorously tested to IPX7 Waterproofing standards - 3300 mAh battery capacity

Bright and efficient multi-purpose e-bike cycling light. Durable, heat-dissipating CNC machined aluminum construction. Two ultrahigh-output LEDs deliver up to 500 lumens. Enhanced MOR (Maximum Optical Reflection) lens with built-in side visibility. Intelligent Auto Day/Night dim mode. E-bike compatible 6 – 12v input, 6w easily plugs into batteries from top makers including Bosch, Shimano and Yamaha. Includes CNC fork mount and 140cm long power cable. Our e-bike lights are powered by the motor of an e-bike and need to be manually installed. Proper installation may require some disassembly of the bike and motor (depending on make/model/battery type) and additional wiring to connect the light to the motor. Please contact the e-bike or motor manufacturer for installation instructions. It is highly recommended to have a trained e-bike professional install your lights for you. Disclaimer: Direct X-Lock Mounting System Not compatible with all stems. Please see installation manual for stem compatibility. - 500 Lumens - Includes aluminum CNC fork and E-BIKE Stem mount - Enhanced Maximum Optical Reflection (MOR) lens - E-bike compatible 12 – 48V input - 130 cm power cable included - IPX7 water resistant - Dimensions: 44.5 x 41 x 25mm / 1.75 x 1.61 x 0.98" Motor Compatibility - Bosch: 6V, 12V - Shimano: E5000, E7000, E6100, E6110, E9000, E8000, E8080, E6002, E6012 - Yamaha: PWse - BionX - Brose Drive S (2018) - Continental: 48V Prime, 48V Revolution

The Fusion Drive 500+ is a feature-packed visibility solution. With its impressive 500-lumen output and a maximum runtime of 35 hours, this light ensures exceptional visibility and reliability. This light offers six output modes, including highly disruptive Daytime Flash ensuring maximum visibility during daylight hours, and the intelligent Power Indicator displays battery runtime. The CNC-machined aluminum construction with cooling fins guarantees durability and efficient heat dissipation, the fresh optical design enhances light dispersion, and the optional GoPro mount allows for versatile mounting options. With waterproof USB-C charging(cable not included), compatibility with the Infinite Light Power Pack+, and rigorous IPX7 waterproofing testing, this light is ready to accompany you on any adventure. - Max 500 lumens / 35-hour max runtime - Max 500 lumens / 35-hour max runtime - Waterproof USB-C charging port with charge indicator - Daytime Flash mode with Highly Disruptive Pattern - CNC-machined aluminum construction with cooling fins - Engineered Optical Design - GoPro mount available separately - Infinite Light Power Pack+ Compatible for extended run times - Rigorously tested to IPX7 Waterproofing standards - 1400 mAh battery capacity

Lezyne's Go-Pro LED Adapter allows you to mount your Lezyne LED light to any standard Go-Pro mount. This makes it fast and easy to switch swap out your camera and headlight using the same mount.

Compact cycling safety light with two bright LEDs and a 200-lumen Daytime Flash mode. It features a super lightweight, yet durable co-molded construction that is IPX7 (waterproof) rated. NEW -- Up to 20 hours of runtime (eight hour increase) and up to 200 lumens (20 lumen increase) of output. And it features an integrated USB stick for convenient cable-free recharging. The KTV Drive Front offers five output modes. Specs - Max Lumens: 200 - Weight: 47.5g - Max Runtime: 20 hours - Recharge Time: 2:15

A compact cycling safety light built around three high-output LED emitters, the KTV Drive Pro 300+ Front light offers up to 300 lumens of output and a highly disruptive Daytime Flash mode. It features a lightweight yet durable waterproof construction, rigorously tested to IPX7 Waterproofing standards. The KTV Drive Pro 300+ Front offers convenience and versatility with six output modes, up to an impressive 100-hour max runtime, and waterproof USB-C charging(cable not included). Note: This light is not being distributed within the German market. - Max 300 lumen blast mode / 100-hour runtime in Femto mode - Max 300 lumen blast mode / 100-hour runtime in Femto mode - Daytime Flash mode with Highly Disruptive Pattern - Waterproof USB-C charging port with charge indicator - Low-profile mounting with integrated strap hooks - Rigorously tested to IPX7 Waterproofing standards - 1400 mAh battery capacity

The KTV Drive Pro+ Rear is a compact, aero seatpost compatible rear bike light providing up to 150 lumens and six output modes. It offers up to 20 hours of max runtime and a highly disruptive Daytime Flash mode. The light utilizes our Wide-Angle Optics lens design to provide 270° of visibility, durable, rigorously tested to IPX7 Waterproofing standards, and an integrated USB stick allows convenient cable-free recharging. - Max 150 lumens / 20-hour runtime in Femto mode - Max 150 lumens / 20-hour runtime in Femto mode - Daytime Flash mode with Highly Disruptive Pattern - Wide Angle Optics: 270° of visibility - Unique aero and round seatpost compatible design - Rigorously tested to IPX7 Waterproofing standards - Integrated USB-stick for cable-free recharging - 400 mAh battery capacity

FRONT LIGHT: A compact cycling safety light built around two high-output LED emitters, the KTV Drive Front offers up to 200 lumens of output and an attention-grabbing Daytime Flash mode. It features a lightweight yet durable co-molded waterproof construction (IPX7 rated). The KTV Drive Front offers five output modes, up to 20 hours of runtime, and an integrated USB stick for convenient cable-free recharging. REAR LIGHT: The KTV Drive+ Rear is a compact yet powerful rear light that ensures optimal visibility and safety on your rides. With a maximum output of 40 lumens, an impressive 45-hour runtime in Femto mode, and six different output modes, including Daytime Flash, this rear light provides reliable illumination. The unique design is compatible with aero and round seatposts, ensuring versatility for various bike setups. The light utilizes our Wide-Angle Optics lens design to provide 270° of visibility, and an integrated USB stick allows convenient cable-free recharging. Rigorously tested to IPX7 Waterproofing standards, it can withstand challenging weather conditions. - Front Light Max 200 lumens Blast Mode / 40-hour runtime in Flash mode - Front Light Max 200 lumens Blast Mode / 40-hour runtime in Flash mode - Daytime Flash mode with Highly Disruptive Pattern - Integrated USB-stick for cable-free recharging - Durable co-molded rubber body - Patented 2-in-1 clip-on or strap mount options - Rigorously tested to IPX7 Waterproofing standards - 400 mAh battery capacity - Rear Light Max 40 lumens / 45-hour runtime in Femto mode - Daytime Flash mode with Highly Disruptive Pattern - Wide Angle Optics: 270° of visibility - Unique aero and round seatpost compatible design - Rigorously tested to IPX7 Waterproofing standards - Integrated USB stick for cable-free recharging - 400 mAh battery capacity

Experience unparalleled illumination and versatility with the Lite Drive 1200+ Front. With eight LEDs, this light has a maximum output of 1,200 lumens and an impressive 60-hour max runtime, providing the best beam pattern for optimal visibility in even the most challenging conditions. Its waterproof USB-C 2A+ fast charging capability allows for convenient recharging(cable not included), while the CNC-machined aluminum construction with cooling fins ensures durability and efficient heat dissipation. The fresh optical design and the MOR(Maximum Optical Reflection) lens optimize light dispersion for enhanced visibility. With the optional GoPro mount and compatibility with the Infinite Light Power Pack+, this front light offers versatile mounting options and extended battery life. Rigorously tested to IPX7 Waterproofing standards, it is built to withstand various weather conditions. Choose from seven different output modes, from the attention-grabbing Daytime Flash Mode to the long-lasting 60-hour runtime Femto Mode, to suit your lighting needs. Illuminate your rides with confidence using the Lite Drive 1200+ Front. - Max 1,200 lumens / 60-hour max runtime - Max 1,200 lumens / 60-hour max runtime - Waterproof USB-C 2A fast charging - Daytime Flash mode with Highly Disruptive Pattern - CNC-machined aluminum construction with cooling fins - Engineered Optical Design - Infinite Light Power Pack+ Compatible for extended run times - 3800 mAh battery capacity

The Macro Drive 1400+ throws out a powerful 1400 lumens of output through our Tri-Focus Optics, creating an optimized beam pattern for superior visibility on the trail or road. Its waterproof USB-C charging port and 2A+ fast charging capability allows for convenient recharging(cable not included), while the CNC-machined aluminum construction with cooling fins ensures durability and efficient heat dissipation. A GoPro mount option and compatibility with the Infinite Light Power Pack+, this front light offers versatile mounting choices and extended battery life. Rigorously tested to IPX7 Waterproofing standards, it is built to withstand various weather conditions. Choose from seven different output modes, from the attention-grabbing Daytime Flash Mode to the whopping 300-hour runtime Femto Mode, to suit your lighting needs. A versatile and replaceable strap secures it to a variety of handlebar sizes. - Max 1,400 lumens / 300-hour runtime in Femto mode - Max 1,400 lumens / 300-hour runtime in Femto mode - Waterproof USB-C charging port with charge indicator - 2Amp fast charging - CNC-machined aluminum construction with cooling fins - Tri-Focus Optics are brighter with a large wide-angle pattern - Optional GoPro mount available separately - Infinite Light Power Pack+ Compatible for extended run times - IPX7 Waterproofing standards are Rigorously tested - 5200 mAh battery capacity

FRONT LIGHT: Elevate your cycling experience with the Micro Drive 800+ Front light. Whether you ride recreationally or in challenging conditions, this is your visibility solution. With eight LEDs, this light is engineered for maximum efficiency and runtime, providing the best beam pattern for optimal visibility in even the most challenging conditions. Six different output modes, including Daytime Flash, 800 lumens max output, and a 35-hour runtime on femto mode, ensure you're prepared for any circumstance. The light's waterproof USB-C charging(cable not included) and CNC-machined aluminum construction with cooling fins provide durability and convenience. Rigorously tested to IPX7 Waterproofing standards, it is built to withstand various weather conditions. The fresh optical design, optional GoPro mount compatibility, and Infinite Light Power Pack+ compatibility offer versatility and enhanced performance. Customize your lighting experience for your unique lifestyle with the Micro Drive 800+ Front light. REAR LIGHT: Experience the next level of cycling safety with the Strip Drive 300+ Rear light. This exceptional rear light offers ten LEDs and a maximum output of 300 lumens; it is engineered for impressive efficiency and runtime, providing the best beam pattern for optimal light dispersion in even the most challenging conditions. Plus, with an impressive 80-hour max runtime, you can rest assured that this light will last as long as you need it to. Rigorously tested to IPX7 Waterproofing standards, it is built to withstand various weather conditions. With seven output modes, including highly disruptive Daytime Flash modes, wide-angle optics providing 270° visibility, USB-C waterproof charging(cable not included), and a lightweight yet durable co-molded design, it's the ultimate choice for every cyclist. A versatile mounting system attaches to aero or round seatposts and recharges via a waterproof USB-C connection. - Front Light Max 800 lumens / 35-hour max runtime - Front Light Max 800 lumens / 35-hour max runtime - Waterproof USB-C charging port with charge indicator - CNC-machined aluminum construction with cooling fins - Engineered Optical Design - Daytime Flash mode with Highly Disruptive Pattern - Infinite Light Power Pack+ Compatible for extended run times - Rigorously tested to IPX7 Waterproofing standards - 1900 mAh battery capacity - Rear Light Max 300 lumens / 80-hour runtime in Femto mode - Daytime Flash mode with Highly Disruptive Pattern - Wide Angle Optics: 270° of visibility - Waterproof USB-C charging port with charge indicator - Lightweight and durable co-molded design - Maximum side visibility design - Multiple mounting options with ladder strap - Seven combined solid and flash modes - Fits most seatpost shapes - Rigorously tested to IPX7 Waterproofing standards - 1400 mAh battery capacity

Experience the next level of cycling safety with the Strip Drive 300+ Rear light. This exceptional rear light offers ten LEDs and a maximum output of 300 lumens; it is engineered for impressive efficiency and runtime, providing the best beam pattern for optimal light dispersion in even the most challenging conditions. Plus, with an impressive 80-hour max runtime, you can rest assured that this light will last as long as you need it to. Rigorously tested to IPX7 Waterproofing standards, it is built to withstand various weather conditions. With seven output modes, including highly disruptive Daytime Flash modes, wide-angle optics providing 270° visibility, USB-C waterproof charging(cable not included), and a lightweight yet durable co-molded design, it's the ultimate choice for every cyclist. A versatile mounting system attaches to aero or round seatposts and recharges via a waterproof USB-C connection. - Max 300 lumens / 80-hour runtime in Femto mode - Daytime Flash mode with Highly Disruptive Pattern - Wide Angle Optics: 270° of visibility - Waterproof USB-C charging port with charge indicator - Lightweight and durable co-molded design - Maximum side visibility design - Multiple mounting options with ladder strap - Seven combined solid and flash modes - Fits most seatpost shapes - Rigorously tested to IPX7 Waterproofing standards - 1400 mAh battery capacity

Lil' Cobber Twinpack Front and Rear lights produce an incredible 330º of light, so you'll be clearly seen from all angles. In an increasingly busy world, these bike lights are brilliantly effective at attracting attention and helping keep you safe on the road. Packing 110 lumens for the front and 50 lumens for the rear, the Lil' Cobber is seriously bright. The Cobber has integrated USB recharging, is 100% waterproof, and you can program the settings using the Modemaker app. It mounts with tool-less removable silicone straps for bars/seat posts 22 – 32mm+ diameter with magnetic mount (aero Mount also included). If you are looking for the best front and rear commuter bike light around, look no further. - Light modes: Max, Mid, Steady Pulse, Flash, Eco Flash come pre-programmed - LEDs: Efficient Chip on Board (COB) LEDs designed to provide maximum brightness level for up to 90% of the battery burn time for each mode - Integrated USB plug: No charging cable required, plugs directly into USB ports & is designed to be exposed to the elements - Charge time: 4 hours (LED will turn off when fully charged) - Battery: USB Rechargeable Lithium Polymer - Accessories included: Standard Mount, Aero Mount, 3x interchangeable straps for bars/seat posts 22-27mm / 28-32mm+, and USB extension - Dimensions: 32 x 33mm - Weight: 22g each

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.

- 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 100 lux LED light, more than 50,000 hours life span - Dynamo operated - Double-Lens-Tech for perfect light distribution and high efficiancy - Visible from the side - Retro reflector can be mounted optionally - 70g

- 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)