Biker's Choice handlebar master cylinder rebuild kits provide the inner workings to renew the performance of your master cylinder. Available for single and dual disc applications, each kit is slightly different and may contain springs, retaining rings, pistons, washers, and additional parts, depending on your model's needs and the kit selected. Retain brake efficiency and safety; do a rebuild with Biker's Choice handlebar master cylinder kits.

• 15 mm.