absoluteBLACK Premium Oval 110 BCD Road Outer Chainring Shimano Dura-Ace 9100 - 52t 110 Shimano Asymmetric BCD 4-Bolt BLK Model=Bottom Bracket Tool Ground-breaking all-aluminum design with a

Ground-breaking all-aluminum design with a perfectly balanced stiffness to weight ratio

Two hands free key options:

The fabric sleeve prevents damage to paintwork

For right-hand use (clockwise torquecontrol) and with 45-tooth reversible ratchet mechanism

Will not fit all frames

absoluteBLACK Premium Oval 110 BCD Road Outer Chainring Shimano Dura-Ace 9100 - 52t 110 Shimano Asymmetric BCD 4-Bolt BLK Model=Bottom Bracket Tool Ground-breaking all-aluminum design with aabsoluteBLACK Premium Oval 110 BCD Road Chainrings utilize absoluteBLACK's top tier design features to greatly improve traction and speed. They are designed for Shimano Dura Ace 9100 Ultegra 8000 & 105 R7000 4 bolt cranks only. Optimized with smooth shifting in mind premium chainrings have a 6 point ramp and recess design. Chainrings are crafted from CNC machined 7075 aluminum and feature an anodized finish for exceptional durability. Oval shape