OneUp Components 4 Bolt Chainring - 104 BCD - Round - Black - 12 Speed Shimano - 34T netsuite-webdata-created Closure: This use a combination

Closure: This use a combination of the excellent conforming nature of a BOA L6 dial and lacing

side panels

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

5mm and 39mm outside diameter bottom bracket cups

OneUp Components 4 Bolt Chainring - 104 BCD - Round - Black - 12 Speed Shimano - 34T netsuite-webdata-created Closure: This use a combinationUpgrade 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