Chris King Heavy Duty Hub QR Axle Inserts
Based in Portland Oregon, Chris King is an independent in-house manufacturer of arguably most desirable bicycle components on the market. Precision CNC machining and high tolerance bearings can be found on all of their headsets, bottom brackets and hubs. Reserved for the most exclusive bikes out there, CK is synonymous with true aftermarket quality.
These can be screwed into the axle for QR application.