FEATURES:

Cnc machined pulley wheels

11T models compatible with 10/11/12 speed systems.

Nanotec Ceramic Bearings

Nanotec dry lube substrate treatment on stainless races ensure

Unrivalled reliability and performance.



G5 grade silicon nitride –Si3n4 balls fitted to every bearing.

Cnc pulley wheels bolts  included

All units hand assembled in the UK.

2 year warranty*