The Lock Ring SM-RT10 from Shimano is an essential accessory for bicycle brakes, ensuring a reliable attachment of the brake disc. This locking ring is specifically designed for the Center-Lock system and comes with a U-washer to facilitate optimal installation. Made from high-quality metal, the Lock Ring offers high stability and durability, making it an ideal choice for demanding cyclists. With a volume of 0.022 cubic meters, it is compact and easy to handle. The universal silver color ensures that the ring fits various bicycle models and designs. The Lock Ring SM-RT10 is an indispensable element for the maintenance and replacement of brake components, suitable for both recreational and professional use. It is manufactured in China and meets the high-quality standards of Shimano, a renowned manufacturer in the field of bicycle components.