Rockshox Crush Washer Retainer Crush waters are required everytime to take apart a Rock Shox fork for service. Crush washers are installed under the bolts that enter the bottom of the fork securing the damper and air/coil sides of the fork. Crush washers should not be reused, a new set should be installed every service. Features Rock Shox Part Number: 11. 4015. 260. 000Quantity: 50 pack Made in Taiwan | Rockshox | Crush Washer Retainer, 50 Pack Qty 50