Parts & Accessories

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

Want to run your Flux headlight on the latest trail bikes? You're going to need this mount for your 35mm cockpit. - Quick-release extruded aluminum handlebar clamp. - Clamp fits 35.0mm handelbars.

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

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 – 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

Mounts a Specialized Stix light to a CPSC, DIN standard reflector/rack bracket or the Specialized Pizza Rack. - Vertical CPSC hole pattern. - This mount can attach to the Horizontal Din hole pattern. - Specialized single hole pattern for the Pizza Rack. - Mounts Stix light horizontally. - Includes all mounting hardware.

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