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Equipment > Components > Brakes > Disc Brake Adapters / Small Parts


SwissStop is offering Center Lock lockrings to got with their impressive Catalyst disc rotors. This design has been optimized for Center Lock offers a secure hold and perfect fit with the Catalyst, but is also fully compatible with most Center Lock rotors. The system that makes it simple to remove and install a rotor in short time. Most road and gravel disc brake wheelsets feature the Center Lock spline system and utilize a 12 or 15mm thru-axle diameter, which is what SwissStop makes this model for. These lockrings are what is referred as the external serration design, and meant to interface with a 16T/44-45mm (OD) threaded external bottom bracket cup tool, which is a common option sold by Park Tool and other bike tool makers.

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  • Precision made Center Lock disc rotor lock ring with external serration (tool interface)
  • Tool interface is a 16T/44-45mm (OD) type used on external bottom brackets
  • Compatible tools: Park BBT-9, Park BBT 69.4, Shimano TL-FC33, Chris King and many others
  • Machined aluminum body and threading to meet exacting Center Lock standards
  • Made for 12 & 15mm thru-axles
  • Max rotor size: 160mm
  • Color: Anodized Black
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