absoluteBLACK

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

MPN: RR9100/39/4BK · UPC: 5110846003938

$51.95

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🏪 Free pickup: 26 Essex St (Rear), Andover MA · 978-270-4895

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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.

✓ 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