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Parts & Accessories

TwoFish Twofish Flashlight Holder
$5.95
- Mounts most AA flashlights to handlebars and helmets - Ideal low-cost lighting alternative for cyclists
Topeak BarXtender
$19.95
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
Topeak DP Mount
$22.95
Solid aluminum dropper post mount to attach rear bikepacking bag, larger saddle bag, bottle cage, tail light, and more.
Sunlite Bicycle Spoke Light
$7.39
• 2 LEDs with 3-color variable automatic flashing • Attaches to the spokes on your wheel so it spins for high visibility • The Spoke Light is ready whenever you're riding • It turns on/off automatically when it's dark/light
Sunlite Replacement Light Straps
$4.99
- Replacement mounting straps for Sunlite lights - Choose specific model to fit your light
Sunlite TL-L225 Bracket
$2.39
- Rack mount bracket only - Fits TL-L225 taillight
No Image
$30.00
Replacement Battery – TSB-S Replacement Rechargeable Battery - Battery: 1-Cell Li-Ion, 1400 mAh - Fits: TSL-450F, TSL-700F
Serfas Aero Headlight Bracket
$6.00
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
Serfas Aero Tail Light Bracket
$6.00
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
Serfas Bat-1 Replacement Battery
$40.00
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.
Serfas Bat-2S Compact Replacement Battery
$70.00
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
Serfas Bat-2T Replacement Battery
$100.00
Keep your favorite lights running with Serfas' Bat-2T Replacement Battery. More than just a battery, it can also act independently as a 35 lumen Thunderbolt LED Taillight. As a rear light it has a capacity of 3300 mAh, and 6600 mAh as a battery.
Serfas Bat-4 Replacement Battery
$140.00
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.
Serfas Bat-ADT Replacement Battery
$20.00
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).
Serfas E-Lume 250/500 Headlight Bracket Mount
$2.00
Bracket mount for Serfas 250/500 E-Lume headlights.
Serfas GoPro Camera Bracket
$6.00
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
Serfas Multi Sport Head/Tail Light Bracket
$6.00
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
Serfas Oversized Handlebar Bracket
$10.00
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
Serfas Quasar Light Bracket
$5.00
Replacement mounting bracket for Quasar USL-4BK Headlight and Quasar UTL-4BK Tail Light.
Serfas RB-LI+ Replacement Battery
$40.00
Keep your favorite light running with Serfas' RB-LI+ Replacement Battery. This Lithium-ion battery compatible with Serfas' True 150+, 250+, and 500+ lights.
Serfas SPK Spoke Light
$6.00
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
Serfas TST Tail Light Belt Clip
$6.00
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
Serfas Top Bar Headlight Bracket
$6.99
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
Serfas True Series Headlight Spare Battery
$20.00 - $32.00
Replacement battery for 2019 True Series MTB & Road headlights. Plastic storage case included.
Serfas True Series Remote Headlight Switch
$10.00
Replacement Part – True Series Remote Headlight - Safety conscious – operate your light without removing your hands from the handlebars while riding - Waterproof connection to USB port Allows for remote operation of: TSL-950F TSL-700F TSL-450F TST-70 TST-100 TST-150 TBT-50R TBT-120F
Serfas UTL-9 Bracket
$5.00
Replacement tail light bracket for the Serfas UTL-9 light.
Serfas Universal Handlebar Bracket
$8.00
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
Serfas Universal Helmet Mount
$15.00
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
Serfas Universal Tail Light Bracket
$6.00
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
Serfas Universal Tail Light Bracket Adapter
$4.00
Replacement mounting bracket for Serfas tail lights. - Fits TL-411 & TL-200 models
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