The Hayes Master Cylinder Piston & Spring Kit is suitable for the following brakes: Stroker Ryde/Trail/Carbon/Gram/Ace. Keep those brakes working efficiently and correctly with these genuine OEM replacement parts.If your brake is showing signs of loss of power or failing to bleed up correctly. This piston/spring kit could be required.What’s Included:1x Pistons.1x Spring.1x O-Ring.For more Hayes spares parts, check out our brand page on the button below: SHOP HAYES
