Hope Rotor Sizing Adapters
– For 51mm International Standard fork or frame mounts- Adapts IS-51mm calipers (#3, 5, 8) to increase rotor size by 20mm or 40mm; or PM-74mm calipers (#9:74, 11) to increase rotor size by 20mm- Rotor sold separately
Item Specifications
- adapts|part #: rotor 40mm upgrade adapter, IS-caliper|HBIS40S




