Middleburn RS8 X-Type Uno direct mount Uno spider and chainring with the thick/thin type teeth for use in a 1x system. The RS8 X-Type cranks run on a 24mm axle that is compatible with the Shimano hollow tech 2 system.
The TT Uno’s are machined from 7075 T6 aerospace aluminium and then a hard coat anodising treatment is applied for maximum strength and wear protection.
The chain line is a standard mountain bike of 50mm. We will be introducing some boost sizes soon so please keep checking the website and social media for updates.