Filter By:
Parts & Accessories

$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

$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

$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

$69.95
A backup battery for any PWR modular product. Use this 5000mAh PWR Bank as an additional battery for your PWR bike light, to charge your phone, watch, Garmin, Christmas mitten warmers...whatever device you like. Because each device powered by the same battery is another opportunity to save. Save the environment, save space, save weight, and perhaps most important to you: save money. After all, batteries often make up over 50% of the cost of these types of products.
- Compatibility: The 3350mAh PWR Bank is compatible with the 600, 1000 and 1800 lumen PWR lightheads and PWR outdoor products
- Charge your devices: Use this PWR Bank to charge your iPhone or cycling computer on the go.
- Battery: USB Rechargeable Li-ion battery
- Charge time: 7hrs
- Battery output: 5000 mAh
- Dimensions: 104mm x 35mm
- Weight: 169g
- What's in the pack: PWR Bank battery & USB Cable

$5.95
- Mounts most AA flashlights to handlebars and helmets
- Ideal low-cost lighting alternative for cyclists

$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

$22.95
Solid aluminum dropper post mount to attach rear bikepacking bag, larger saddle bag, bottle cage, tail light, and more.

$26.95
$40.00
33% Off
2amp charger for the fastest charging possible of Specialized Flux lights
- Has 2 standard size USB ports and will charge most USB devices.
- Includes 4 interchangeable wall plug options and USB A to USB MINI B male to male charge cable.
- Output: 10.5W 5V 2.1A Max Input: 100-204V AC 50/60Hz. 260mA

$16.95
$25.00
32% Off
Do you have more than one bike? Get the most out of your Specialized Flux Expert tail light (sold separately) by getting an additional seatpost mount for easy switching between your rides.
- All the parts needed to mount a Flux Expert taillight to a second bike
- Includes mounting bracket, three interchangeable rings to fit different seatpost sizes and a 2.5mm Allen key.
- Interchangeable rings will fit 27.2mm, 30.9mm, and Venge Aero seatpost.

$65.00
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.

$6.95
$10.00
30% Off
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.

$15.00
Replacement Battery – TSB-S Replacement Rechargeable Battery
- Battery: 1-Cell Li-Ion, 1400 mAh
- Fits: TSL-450F, TSL-700F

$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

$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

$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.

$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.

$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).

$10.00 - $32.00
Battery Replacement Guide For E-Lume Series Headlights:
- E-Lume USL-200/250, 1-Cell Li-Ion 1400 mAh (ESB-1400)
- E-Lume USL-450/500, 1-Cell Li-Ion 2200 mAh (ESB-2200)
- E-Lume USL-600/650/850/900, 1-Cell Li-Ion 2600 mAh (ESB-2600)
- E-Lume USL-1100/1200, 2-Cell Li-Ion 2200 mAh (ESB-4400)
- E-Lume USL-1500/1600, 2-Cell Li-Ion 2600 mAh (ESB-5200)
- Battery Removal/Installation Instructions Included
- Allen Key Tool Included

$10.00
For Serfas Metro Helmet – Replacement Rear Light
Serfas Metro Helmet Compatibility:
- HT-404BKGY
- HT-400BKGY
- HT-404BLBK
- HT-400BLBK
- HT-404WTBK
- HT-400WTBK

$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

$45.00
3-IN-1 Handlebar Mounted Accessory Holder:
3-IN-1 Design:
- Headlights
- Action Cameras (GoPro)
- Garmin Computers (Compatible w/ Garmin Only)
- Adjustable Angle (100 Degree Tilt Up/Down)
- Materials: Aluminum Alloy, Nylon
- Simple Installation
Specs:
- Length: 105mm
- Width: 68mm
- Height: 57mm
- Weight: 76g
- Snap Ring Fitment: 31.8-32mm Bars
- Max Load: 400g

$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.

$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
Page 1 of 4
Next page