absoluteBLACK Premium Round 110 BCD Road Inner Chainring for Shimano Dura-Ace 9100 - 39t, 110 Shimano Asymmetric BCD, 4-Bolt, Black

absoluteBLACK Premium Round 110 BCD Road Chainrings utilize absoluteBLACK's top-tier design features. They are designed for new and old Shimano 4-arm cranks, such as Dura-Ace 9100, 9000, Ultegra 8000, 6800 & 105 R7000 and more. 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.

Features

• Rings provide exceptional stiffness due to thicker, 5mm construction
• Provides excellent weight to strength ratio
• 10, 11, and 12-speed compatible
• For optimal shifting a 53/39T chainring combination is recommended due to ramp design on large ring
• If only switching the inner chainring, use all original crank bolts
• 45g