Constructed from lightweight aluminium

External threaded types for Campagnolo

The bearing surface is spared a direct hit by using an aluminum inserts

With a backsweep and upsweep that provides the ultimate feel when either charging downhill or on the toughest enduro stages

Air release button for fine tuning

Race Face 104 BCD Narrow Wide Chainring - 104 BCD - Round - Black - Alloy - 9-12 Speed - 34T PLP|EMTB Optimised Constructed from lightweight aluminiumReplacement rings for your 104 BCD cranks. These rings feature a narrow wide tooth profile and are constructed from 4mm thick 7075 T6 aluminium. Who's this item for: Riders who have a 104BCD crank and are looking to upgrade or replace their chainring for something that offers great performance and durability. Chain retention technology: Proven Narrow Wide tooth profile. Weight: 37 57g (depending on size) Pros: Heaps of size options. Compatible with 9,