NRG 12 Tooth jockey wheels with ceramic bearings to reduce friction, minimising drag within the drivetrain complementing our NRG race chains!
 
Fully compatible with Shimano 12 speed groupsets. 
 
Only compatible with R7000, R8000, and R8050 11 speed groupsets
 
Highly durable, these pulley wheels are of premium quality and feature 7075 cnc aluminium construction for long-lasting performance to keep you owning all your watts.
 
NOT SUITABLE FOR CYCLOCROSS OR OFF ROAD