OneUp Components 4 Bolt Chainring - 104 BCD - Oval - Black - 30T Envelope Shipping Double Time Engagement - 52

Double Time Engagement - 52 points of engagement via 4 pawls this equates to the freehub engaging every 6

or adjust the sizing with these replacement cheek pads for the Troy Lee Designs D3 helmet

Single release cleats are less prone to accidental releases on rough terrain

Clean drive train thoroughly before application

spindle and bottom bracket relationship

OneUp Components 4 Bolt Chainring - 104 BCD - Oval - Black - 30T Envelope Shipping Double Time Engagement - 52Upgrade 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