20 PCS Mountain Bike M5 Variable Speed Brake Adjustment Screw is a bicycle brake part used for shifting and brake fine-tuning. It is compatible with M5 bicycles, mountain bikes, road bikes, and folding bikes.
Material: Iron, plastic
Size: 25x5mm
Mainly used for shifting, frame shifting over the wire, rear derailleur fine-tuning, and some mechanical disc brake fine-tuning
