OneUp Components 4 Bolt Chainring - 104 BCD - Round - Black - 12 Speed Shimano - 34T netsuite-webdata-created seamless 6061 Aluminium

seamless 6061 Aluminium

Cons: It's a little more pricey than your conventional water bottle and cage but hey

5mm and 39mm outside diameter bottom bracket cups

It is primarily the softer saddle nose that allows for flowing movements and comfort uphill

OneUp Components 4 Bolt Chainring - 104 BCD - Round - Black - 12 Speed Shimano - 34T netsuite-webdata-created seamless 6061 AluminiumUpgrade 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