Ensuring your feet are comfortable is a crucial step to having a great ride

Clip-on bracket for easy installation to backpacks

this is only for Presta valves

Note that on some models with disc brakes

it will also improve performance

Race Face 104 BCD Narrow Wide Chainring - 104 BCD - Round - Black - Alloy - 9-12 Speed - 30T Dropship Ensuring your feet are comfortableReplacement 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,