OneUp Components 4 Bolt Chainring - 104 BCD - Round - Black - 12 Speed Shimano - 30T PDP|PLP|Rail Material Mesh upper for maximum breathability

Mesh upper for maximum breathability

and many other external bearing crankset bottom brackets

The latest and greatest offering from Rockshox

The exceptions are for those droppers with a larger mechanism that hangs to the side of the post

OneUp Components 4 Bolt Chainring - 104 BCD - Round - Black - 12 Speed Shimano - 30T PDP|PLP|Rail Material Mesh upper for maximum breathabilityUpgrade or complete your drivetrain with a OneUp Components 4 Bolt Chainring. These chainrings are easy to fit and will suit a range of 4 bolt cranks in a handful of BCD's. Choose from standard round chainrings or try out an Oval ring for better traction. Made from a high grade 7075 T6 aluminium these chainrings use a Narrow Wide tooth profile that eliminates chain drop with a perfect mesh between the chain and ring. Compatible with 9, 10, 11 and 12