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Sigma Rear Brake light. A simple little light with abig purpose, safety. Just clip this light on your rear brake cable and it willhelp alert anyone behind you that you are slowing down. Perfect for kids,commuters, and group rides! Fits u-brakes, v-brakes, canti's, road calipers,mechanical disk brakes...sorry, won't fit hydraulics!
A small, lightweight light packed with power. Ahigh-power LED generates a bright red warning light for perfect visibility byothers on the road.
Attaches to allcable actuated mechanical brakes
It attaches to the rear brake cable using a 2.5 mm hex wrench. Install thelight with a little pre-tension, so the light illuminates with the slightesttap of the brake lever.
Small, compact design
Measuring 3cm x 3cm, it is a small and inconspicuousaccessory. The streamlined, aerodynamic design looks great on all bikes. It weighs in at animpressively low seven grams.