Gain more room or find the perfect position for lights, computers, music players, GPS, or whatever, with the Topeak BarXtender. Attaches securely to the handlebars or stem and adjusts for optimum position. - Clamp: Fits 22-38 mm tubes (shims included) - Crossbar: Device mount bar 25.4 mm - Material: Engineering Grade Plastic and Steel - Mount: Handlebar, Handlebar Stem - Size (L x W x H): 18 x 3 x 3 cm, 7.1” x 1.2” x 1.2” (folded) - Size (L x W x H): 13 x 10 x 3 cm, 5.1” x 3.9” x 1.2” (open) - Weight: 116 g / 4.08 oz

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

Ride safe and be seen at night with the high-performance helmet light. Innovative double-sided helmet-mounted light shines white facing forward and red towards the rear, and features 4 LEDs for excellent visibility. Rubber straps provide easy installation and flexible mounting options on a helmet. - Max Luminous Intensity: 140 Lumens (Front), 10 Lumens (Rear) - Lamp: 2 white high power LED’s (Front), 2 red high power LED’s (Rear) - Battery: 3.7V 680mAh Lithium Ion (integrated) - Control/Burn Time (approximate): 3.3hr (High), 5.5hr (Middle), 33hr (Low), 28hr (Front: Middle / Rear: Blinking) - Charge Time (approximate): 2hr / Micro USB - Input: 5V 500mA - Lamp Housing: Injection molded polymer - Strap Mount: Fits helmet / road bike dropbar - Waterproof: IPX 6 - Low battery indicator - Size: 6.9 x 4.4 x 2cm / 2.7” x 1.7” x 0.8” - Weight: 40g / 1.41oz

Topeak's Tail Lux helmet light mounts to any helmet or Topeak bag or rack with ease. Its constant and blinking modes ensure you'll be seen. A nice supplement to your regular light set, the Tail Lux is a convenient way to add extra safety to your commute. Plus, the coin battery is included.

Replacement LED assembly for the Centro LED helmet.

Packing two premium LEDs for class-leading light output, this light uses a super high capacity lithium-ion battery, so all those lumens come with long runtimes. A clever user interface, meanwhile, gives you four extra modes for secondary uses, but it also let's you focus on the three steady modes that matter. Still putting a flashlight on your handlebar? See what you've been missing with the new Flux 1200 headlight. - Sculpted double-beam pattern puts light where you need it and maximizes every lumen. - Latest CREE XP-L High Intensity LEDs combines XM-L level of output in a non-domed 3.5mm package for maximum lumens with better beam pattern control. - Quick-release bar mount works on 22.2, 25.4, and 31.8mm bars. - Mounting system centers light in front, above, or below the stem with a long reach to work around most computer mounts and shifter/brake cables. - Extra bright side lights to give you 180-degree visibility to other cyclists and motorists. - USB rechargeable 3400mAh Li-ion internal battery. - 1200-/600-/300-lumen output in three main steady modes. - 1:15-/2:30-/5:00-hour runtimes in three main steady modes. - Press-and-hold to turn off. - Long press-and-hold to enter secondary modes: daytime flash, steady wide + narrow flash, camping flashlight, and emergency low. - Extra-long press-and-hold to lockout light for travelling. - Depending on mode, up to an additional three hours of super-low output are available when listed runtimes expire. Trust us, someday you'll need this. - 90% fast charge in 1.5 hours with full charge in 3 hours. - Compatible helmet mount sold separately (49119-9220).

Short days got you down? Missing that time spent shredding your local trails? Hit it hard, after-hours, with the Flux 800—a light that’ll see you maximizing your ride time without fear of being caught short in the dark. Mount it on your bike or on your helmet (helmet mount included), and you'll get direct light where you’re looking. Dominate the dark with dual Cree LEDs under dedicated wide and spot optics, which put lumens exactly where you need them. - Sculpted double-beam pattern puts light where you need it and maximizes every lumen. - Cree XPG2 and XPL LEDs - Quick-release bar mount works on 22.2, 25.4, and 31.8mm bars. - Mounting system centers light in front, above, or below the stem, with a long reach to work around most computer mounts and shifter/brake cables. - Extra bright side lights give you 180-degree visibility to other cyclists and motorists. - USB rechargeable 2600mAh Li-ion internal battery. - 300 to 800 lumens LED output. - 90% fast charge in 1.5 hours with full charge in 3 hours. - Four operating modes: Steady High Mode (800 lumens), Steady Low Spot Mode (300 lumens), Steady Low Wide Mode (300 lumens), Daytime Flash Mode (400 lumens). - Extra-long press-and-hold to lockout light for travelling.

See what you've been missing with the Specialized Flux 900 headlight. It uses two different LEDs under dedicated optics, which combine to make the perfect beam of light. In simpler terms, though, it allows you to see both far and wide, so you'll be maximizing every lumen of output. - Sculpted beam pattern puts light where you need it and maximizes every lumen. - Combining narrow and wide optics puts light where you need it, at any speed. - Quick release bar mount works on 22.2, 25.4, and 31.8mm bars. - Mounting system centers light in front, above, or below the stem with a long reach to work around most computer mounts and shifter/brake cables - Wide side lights to give you 180-degree visibility to other cyclists and motorists. - USB rechargeable 2600mAh Li-Ion internal battery. - 300 to 900 Lumens LED output. - 1.75- to 30-hour runtimes. - 90% fast charge in 1.5 hours with full charge in 3 hours - Four operating modes: Steady High Mode, 900 Lumens; Steady Low Spot Mode, 300 Lumens; Steady Low Wide Mode, 300 Lumens; Daytime Flash Mode, 400 Lumens.

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.

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

Be visible, day or night with the super-powerful Specialized Flux Expert Taillight. It delivers 110 lumens for visibility over a 1/3 of a mile in broad daylight. Four modes: Standby, Surge Glow, Daytime Flash, and Nighttime flash let you adapt the Flux for your ride. It features a long lasting lithium ion battery and flip-out USB charger for added convenience. And, the Flux Expert features an ambient light sensor that drops flash level by 50% in total darkness for courtesy to other traffic. This excellent light features a quick-release, dovetail mounting system that fits on almost any seatpost.

Unlock all the functions of the Flux light with this two button remote. • Compatible with both the Flux Expert and Elite Headlights. • Lights up while the Flux headlight is on and repeats the Mode button and adds the Highbeam button (see Flux Headlight Manual for details) • Note: The remote is a "slave" unit and can turn a Flux headlight off but does not operate until the headlight has been turned on using the main button on the headlight.

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

The benefits of versatile lights for use at night or during the day are huge, and with the Stix Elite headlight, you’ll enjoy a strong, bright focused light to guide you at night, while also providing the peace of mind you get from a light that beefs up your daytime visibility and safety. This tiny headlight packs a big punch, with 133 Lumens of wide-angle light that can be seen from multiple directions. Its six light modes provide multiple options for day or night, while runtime is up to 112 hours, depending on the mode you choose. The Stix is easily and conveniently charged via USB. - 12 to 133 Lumens output. - 2.4 to 112 hours runtime. - Charge 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, 74 Lumens; Steady Low, 38 Lumens; Power Surge, 97 Lumens; Power Flash, 133 Lumens; Disco Flash, 63 Lumens; Eco Flash, 12 Lumens - Red/Green battery charge level indicator. - Additional mounting options available separately.

Tiny but tenacious, the Stix Elite taillight packs a 68-lumen punch that can be seen from a multiple of directions. Its wide-angle light and six modes—ranging from steady to flash— make you highly visible to drivers, which will increase your safety and peace of mind while riding. The tail light runs for up to 77 hours, depending on mode choice, and is charged easily and conveniently via USB. - 12 to 68 Lumens output. - 2.4 hours to 77 hours runtime. - Charge 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, 46 Lumens; Steady Low, 18 Lumens; Power Surge, 37 Lumens; Power Flash, 68 Lumens; Disco Flash, 40 Lumens; Eco Flash, 12 Lumens - Red/Green battery charge level indicator. - Additional mounting options available separately.

The Stix Sport Combo package contains a bright, 95-lumen headlight and 18-lumen tail light. Both feature the versatility of six light modes, ranging from steady and strong to flashing and brilliant. They also feature wide-angle beams that can be seen from multiple directions, plus the convenience of USB charging. To increase your safety, and to turn your bike into a performer for day or nighttime riding, this combo pack delivers. - Headlight: 35 to 95 Lumens output. - Headlight: 1.35 hours to 13.5 hours runtime. - Tail light: 7 to 18 Lumens output. - Tail light: 2.5 hours to 23 hours runtime. - Charge 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. (Aero strap mount available separately) - Six modes including: Steady High, 70 Lumens (White), 16 Lumens (Red) Steady Low, 35 Lumens (White), 7 Lumens (Red) Power Surge, 70 Lumens (White), 16 Lumens (Red) Power Flash, 95 Lumens (White), 18 Lumens (Red) Disco Flash, 35 Lumens (White), 7 Lumens (Red) Eco Flash, 35 Lumens (White), 7 Lumens (Red) - Red/Green battery charge level indicator. - Additional mounting options available separately.

The Specialized Stix Sport Combo package contains a bright, 70-lumen headlight and 14-lumen tail light. Both feature the versatility of six light modes, ranging from steady and strong to flashing and brilliant. They also feature wide-angle beams that can be seen from multiple directions, plus the convenience of USB charging. To increase your safety, and to turn your bike into a performer for day or nighttime riding, this combo pack delivers. - 36 to 70 lumens output (headlight). - 1.5 hours to 14 hours runtime (headlight). - 7 to 14 lumens output (tail light). - 2.8 hours to 18 hours runtime (tail light). - Charge 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. (Aero strap mount available separately)

The benefits of versatile lights for use at night or during the day are huge, and with the Stix Sport headlight, you’ll enjoy a strong, bright light to guide you at night, while receiving the peace of mind that you get from a light that beefs up your daytime visibility and safety. This tiny headlight packs a big punch, with 95 Lumens of wide-angle light that can be seen from multiple directions. Its six light modes provide multiple options for day or night, while runtime is up to 14 hours, depending on the mode you choose. The Stix is easily and conveniently charged via USB. - 35 to 95 Lumens output. - 1.35 hours to 13.5 hours runtime. - Charge 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. (Aero strap mount available separately) - Six modes including: Steady High - 70 Lumens, Steady Low - 35 Lumens, Power Surge - 70 Lumens, Power Flash - 95 Lumens, Disco Flash - 35 Lumens, Eco Flash - 35 Lumens - Red/Green battery charge level indicator. - Additional mounting options available separately.

The benefits of versatile lights for use at night or during the day are huge, and with the Specialized Stix Sport headlight, you’ll enjoy a strong, bright light to guide you at night, while receiving the peace of mind that you get from a light that beefs up your daytime visibility and safety. This tiny headlight packs a big punch, with 70 lumens of wide-angle light that can be seen from multiple directions. Its six light modes provide multiple options for day or night, while runtime is up to 14 hours, depending on the mode you choose. The Stix is easily and conveniently charged via USB. - 36 to 70 lumens output. - 1.5 hours to 14 hours runtime. - Charge 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. (Aero strap mount available separately)

Tiny but tenacious, the Stix Sport tail light packs a 18-lumen punch that can be seen from multiple directions. Its wide-angle light and six modes—ranging from steady to flash—make you highly visible to drivers, which will increase both your safety and peace of mind while riding. The tail light runs for up to 18 hours, depending on mode choice, and is charged easily and conveniently via USB. - 7 to 18 Lumens output. - 2.5 hours to 23 hours runtime. - Charge 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. (Aero strap mount available separately) - Six modes including: Steady High, 16 Lumens; Steady Low, 7 Lumens; Power Surge, 16 Lumens; Power Flash, 18 Lumens; Disco Flash, 7 Lumens; Eco Flash, 7 Lumens - Red/Green battery charge level indicator. - Additional mounting options available separately.

Tiny but tenacious, the Specialized Stix Sport tail light packs a 14-lumen punch that can be seen from multiple directions. Its wide-angle light and six modes—ranging from steady to flash modes—make you highly visible to drivers, which will increase both your safety and peace of mind while riding. The tail light runs for up to 18 hours, depending on mode choice, and is charged easily and conveniently via USB. - 7 to 14 lumens output. - 2.8 to 18 hours runtime. - Charge 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 (Aero strap mount available separately).

A true two-in-one, the Stix Switch comes at you with a ying/yang mindset, flipping between red or white modes depending on your ride needs. Simply press and hold the button and you can go from a bright red taillight to a simple white headlight in seconds. Increase visibility and flexibility with the Stix Switch. - Headlight or taillight—you decide. - Press-and-hold for two seconds to shift between white and red modes. - Three white modes including: Steady (65 lumens), Power Flash (100 lumens), Eco Flash (35 lumens). - Five red modes including: Steady (18 lumens), Surge Glow (16 lumens), Power Flash (30 lumens), Disco Flash (15 lumens), Eco Flash (8 lumens) - 2- to 20-hour runtime. - Fresnel lens for maximum visibility in all directions. - 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. (Aero strap mount available separately). - Red/Green battery charge level indicator. - Additional mounting options available separately.

Optimize your comfort and riding position on the Turbo Vado with this sleek stem. It's made from lightweight and durable 6061 aluminum, and it features both an integrated display and light mount. This way, you're able to dial in your fit without losing any of the readily accessible functionality or illumination that you love from the Vado.

Replacement Part – Aero Headlight Bracket - Works For Both Headlights & Tail Lights - 3 Strap Sizes Allows Fitting From 20mm To Over 100mm - Adjusts To Fit Aero & Round Seat Posts & Handlebars - Fits All Serfas Headlights Except: USL-200 & USL-450

Replacement Part – Aero Tail Light Bracket - Works For Both Headlight & Tail Lights - Great For Helmet Application - 3 Strap Sizes Allows Fitting From 20mm To Over 100mm - Adjusts To Fit Aero & Round Seat Posts & Handlebars Compatible With: TST-70 TST-100 TST-150 TBT-50R TBT-120F

The Apollo is a waterproof super bright LED light that is small & easy to mount. - USB Rechargeable - Strap Fits Bars 20 – 40mm - Waterproof - Micro USB Cable Included - 240° Visibility Specs: - Modes: High: 3 hrs, Medium: 6 hrs, Slow Flash: 50 hrs & Quick Flash: 40 hrs - Weight: 29 Grams With Bracket - Runtime: Up To 50 hrs On Flash - Battery: Lithium Polymer

Keep your favorite lights running with Serfas' Bat-1 Replacement battery. Thanks to its 3300mAh capacity, you'll have plenty of power for all your night activities.

Keep your favorite lights running bright with Serfas' Bat-4 Replacement Battery. It is included with TSL-2500 and TSL-Police lights but fits several other models as well.

• 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