Shimano Center Lock Internal Spline Lockring for SM-RT81

Shimano Center Lock lockring for the SM-RT81 brake rotor, with internal splines. Used to secure the rotor to the hub when fitting or replacing the rotor.

• Compatible with the SM-RT81 Center Lock brake rotor
• Internal splines for securing the rotor to the hub
• Aluminium with a black finish
• Package includes 1 lockring and 1 washer
• Manufacturer code Y8K198010, useful for reordering the correct spare part

Technical specifications

• Manufacturer code: Y8K198010
• Colour: Black
• Material: Aluminium
• Fitting: Internal splines
• Compatibility: SM-RT81 Center Lock brake rotor
• Package contents: 1 lockring and 1 washer

Founded in 1921 in Sakai, Japan, by Shozaburo Shimano, Shimano is still based in the same city today. For cyclists, it makes drivetrains, brakes, wheels, pedals and cycling shoes. Its history in bicycle components began with the production of freewheels in 1922.