Parts & Accessories

- Mounts most AA flashlights to handlebars and helmets - Ideal low-cost lighting alternative for cyclists

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.

- Rack mount bracket only - Fits TL-L225 taillight

Replacement Battery – TSB-S Replacement Rechargeable Battery - Battery: 1-Cell Li-Ion, 1400 mAh - Fits: TSL-450F, TSL-700F

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

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 with Serfas' Bat-2S Replacement Battery. • Fits TSL-LT1000, TSL-1800, TSL-1200, TSL-2500, TSL-1000, TSL-1500, TSL-1000+, TSL-1500+, TSL-T1000, BAT-ADT • 2600 mAh Capacity

Extend your light's runtime with Serfas' BAT-ADT Replacement Battery. It allows up to 4 times the runtime when used in place of internal battery and connected to BAT-4 (sold separately).

Bracket mount for Serfas 250/500 E-Lume headlights.

Replacement Part – GoPro Camera Bracket - Compatible With All Serfas Headlights EXCEPT USL-200, USL-250, USL-450 and USL-500 - GoPro compatible - Allows use of action camera on helmet or bar

Replacement Part – Multi Sport Headlight & Tail Light Bracket - Works for both headlights & tail lights - Great for helmet application - 3 strap sizes allows fitting from 20mm to over 100mm - Adjusts to fit aero & round seat posts & handlebars - For lights up to 120 grams in weight - Cannot be used with: TST-70, TST-100, TST-150, TBT-50R, TBT-120F, USL-200, USL-250, USL-450, USL-500

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

Replacement mounting bracket for Quasar USL-4BK Headlight and Quasar UTL-4BK Tail Light.

Keep your favorite light running with Serfas' RB-LI+ Replacement Battery. This Lithium-ion battery compatible with Serfas' True 150+, 250+, and 500+ lights.

Brighten up your style, increase your visibility, and make those nighttime rides more fun with the Serfas SPK Spoke Lights! Available in FIVE fun LED light colors: White, Red, Green, Multicolored, and Blue. The SPK Spoke Light is quick and easy to mount and sure to stay safely secured while traveling across any terrain, and with built-in water resistance the SPK ensures a splash or two won't send you home in the dark. Add one, or even twenty, to your bike today and be the coolest cat on the block! - Water Resistant - Fast & Easy Installation / Removal - Solid Modes: Up To 30 Hours - Flash Modes: Fast – Up To 35 Hours / Slow – Up to 55 Hours - Weight: 20 Grams - Size: 12.8cm x 4.4cm - Battery: 1 x Lithium CR2032

Replacement Part – TST Tail Light Belt Clip Improved design keeps light more secure on belt or bag strap. Compatible With: TST-70 TST-100 TST-150 TBT-50R TBT-120F

Replacement Part – Top Bar Headlight Bracket - Works with flat top & round handle-bars - 3 strap sizes allow fitting from 20mm to over 100mm - Adjusts to fit aero & round seat posts & handlebars - For lights up to 120 grams in weight - Fits all Serfas headlights EXCEPT: USL-200, USL-250, USL-450, USL-500

Replacement battery for 2019 True Series MTB & Road headlights. Plastic storage case included.

Replacement tail light bracket for the Serfas UTL-9 light.

• Fits all 2015 Serfas taillights • Bolts to rack for easy removal of taillight

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

Replacement Part – Universal Tail Light Bracket - Fits all current tail lights with removable bracket except UTL-4bk - Long silicone strap allows endless mounting options - No tools needed - Not compatible with: TST-70, TST-100, TST-150 & TBT-50R

Replacement mounting bracket for Serfas tail lights. - Fits TL-411 & TL-200 models

Problem Solvers' Braze-on Light mount threads into your fork or fender eyelets, allowing you to mount lights or accessories. It's lower position is great for getting your light closer to the ground for better visibility.

-Mounts easily to front racks with threaded M5 mounts -Allows for unobstructed light positioning -22.2mm clamping diameter

The Portland Design Works Mission Control 2.0 Headlight Mount is now easier to use! Wrap the heavy-duty UV-proof rubber strap around your handlebars and you're ready to blast off in seconds. - Fits 22.0-31.8 mm diameter handlebars - Compatible with all PDW headlights.

The Portland Design Works Stayputnik tail light bracket has a UV-proof rubber strap to securely hold your tail light on nearly any size seat post. - Mounts in seconds and is compatible with every Portland Design Works tail light except Asteroid and Fenderbot. - UV proof rubber strap - Compatible with every PDW tail light except Asteroid and Fenderbot