SHIMANO Centerlock Ring for 15/20 mm thru-axle SM-HB20
This locking ring is required to play a Center Lock disc on the corresponding hub with 15 or 20 mm thru-axle to fix. For mounting a tool is required, which is also used when mounting outer bearing shells (Shimano, SRAM bottom bracket).
Disc brake: Centerlock
Compatibility Hub: Quick release, thru-axle rear 12mm / 15 mm and 20 mm at the front
Tool: Hollowtech II BB tool
Torque: max. 40 Nm
Delivery: 1x Centerlockring