9.3 average score from 40 reviews


Model number: BBS-131
  • Rotor lockring for Centerlock hubs
  • Compatible with quick-release axles and 12mm Tru-axles
  • Tool fit size: Shimano Cassette lockring - BTL-106S/107S
More information


To make sure your disc brakes will always work smooth and flawless you have to make sure your disc is locked into place in a safe and reliable way. The CenterBlock is specially designed for centerlock hubs and 12 mm tru-axels. Due to the special design, there is no need to buy any extra tools. The CenterBlock can be attached with a normal Shimano cassette lockring tool (BTL-106S/107S).


  • Width (mm) 44
  • Weight (g) 22


  • Compatibility Center-lock