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

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

Origin-8's Eyelet Stub Light Mount is an ingenious way to easily mount a light (or other accessory) to any bicycle frame with standard rack/fender eyelets. The Stub is made of light and tough 6061 aluminum tubing with an outside diameter of 26mm and an overall length of 46mm. It simply bolts to the eyelet with its included 5mm screw. There's a press-fit cap on the end to seal it.

The NiteRider Lumina Handlebar Strap Mount offers a wide variety of handlebar size fitments and remains rock solid while riding through rough terrain. It’s easy to install and, like all NiteRider mounts, features a quick release tab for when it’s time to recharge or leave your bike unattended. System Compatibility: - Lumina Series - Mako Series - MiNewt Cordless Series

The Go Big On-Center Mount by K-Edge is the next generation in industry-leading light/camera mounts. The new mount provides easier installation with a stronger, more secure platform for your Lumina Series headlight or action camera. On-Center gives you a clean, centered position for your Lumina Series light, and a better-framed image with the newer style cameras that have lenses centered on the camera, such as the GoPro Session and Garmin VIRB. Compatibility All Lumina Series lights equipped with K-Edge GoPro Adapter (sold separately), GoPro HERO Original, HERO2, HERO3, and GoPro Session Cameras, Shimano CM-1000, Garmin VIRB, and Garmin VIRB X. - Includes: Go Big On-Center Mount and mounting hardware - Fits 31.8mm bars - CNC Machined 6061 T6 Aluminum - Stable and secure accessory mount - On-center view for Lumina Series lighting systems or other compatible devices - Lifetime Guarantee against material or manufacture defects (damages due to abuse or crashing excluded) - Dimensions: 11 x 20 x 4cm - Weight: 45.7g - Made in Boise, Idaho, USA - Note: Assembly bolts not meant to be removed or tampered with at any time

Increase your line of sight with the NiteRider Lumina Helmet Mount. By mounting your head light onto your helmet, it’ll allow you to see farther into your turn or wherever your head turns. System Compatibility: - Lumina Series - MiNewt Mini Series - Mako Series

The NiteRider Lumina Series Photo Pack gives you the ability to use your Lumina headlight in a whole new way! Light up your scene using the Hot Shoe Mount, Tripod/Magnet Mount, and Light Diffuser. The Lumina makes a great hand held light in Walk Mode. This accessory pack includes a durable Belt Clip that attaches to your Lumina, allowing you to conveniently carry your light hands free. With the Magnet Mount, you’ll be able to stick your Lumina onto metal surfaces. Ideal for when working under the hood of your car/truck or in and around the house, adding to the Lumina’s versatility. - For Lumina Light Heads only - Light Diffuser will not fit Lumina Micro - Hot Shoe Mount - Tripod/Magnet Mount (1/4" x 20 thread) - Belt Clip - Light Diffuser Lumina Headlight sold separately

The NiteRider Tail Light Strap Mount allows for quick installation and fitment on to standard seatposts. It features a quick release tab that allows you to remove just your tail light, leaving the strap mount installed on the seat post; ideal for when you leave your bike unattended or when it’s time for a recharge.

The NiteRider Tail Light Rack Mount gives you the option to mount your tail light directly onto your rack-ready/-equipped bike via this rack mount accessory.

Taillight Seat Stay Mount

In-vehicle charging adapter for charging USB rechargeable batteries. System Compatibility: - Lumina Series - MiNewt Cordless Series - MiNewt Mini Series - Lightning Bug 120 USB - Sentinel 2W USB - Solas 2W USB - Stinger USB

- 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

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.

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.

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

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

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

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

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

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.