Detailed Specifications

Brand: Shimano
Model: Dura-Ace 7900 Chainring
Size: 53T
Speeds: 10-Speed
BCD: 130mm
Bolt Pattern: 5-Bolt
Material: Aluminum (Hollowglide construction)
Intended Use: Road
Defined Color: Silver
Weight: 195g
Manufacturer Part #: Y1KY98030

Additional Features

• Hollowglide aluminum construction increases stiffness while reducing weight.

• Designed specifically for Shimano Dura-Ace FC-7900 cranksets.

• Optimized tooth profile for smooth, precise 10-speed shifting.

• High rigidity improves power transfer and shifting under load.

Important Usage Notes

• Compatible only with Shimano Dura-Ace 7900-series cranksets.

• For 10-speed drivetrains.

• Not cross-compatible with 9000-series or newer 11-speed chainrings.

• Professional installation recommended for correct torque and chainline.

Riding Impressions

This Dura-Ace 7900 53T chainring delivers the crisp, race-level front shifting the series is known for. The Hollowglide structure gives excellent stiffness, which helps maintain clean, responsive shifts during sprints and climbs. Ideal for riders restoring or upgrading a classic 7900 drivetrain to its original performance.

Disclosure

New, genuine Shimano component sourced directly from Shimano NA.
Retail packaged. Includes only the items shown. Covered under Shimano’s manufacturer warranty when installed by a qualified mechanic.