Durable Disc Brake Alignment Tool - Durable stainless steel construction with smooth rims and cut grooves minimizes deformation and provides a rust resistant, consistent performance - Precision alignment options of 15 mm, 18 mm and 42 mm to improve repair efficiency and reduce brake rub - Ergonomic grip design reduces fatigue, delivers a smooth and comfortable handling, adapts to compatible brake systems and helps prevent brake noise for optimal performance - Scratch resistant alignment tool that facilitates piston retraction and prevents uneven advancement when used with an SE clamp, ensuring safe and reliable braking function Applications - After rotor replacement on road or mountain bikes to accurately align calipers before bedding in brakes - During pad replacement to retract pistons evenly for smooth installation and to avoid binding - During caliper service to test alignment and reduce brake rub and noise across compatible braking systems