Product description
This sleek aerodynamic Dura-Ace Hollowtech II crankset features significant weight saving and increased rigidity through the use of a 20% stiffer chainring, resulting in optimal shifting & power transfer. Thin-walled forged aluminum crank / Lightweight & Strong Hollow chainring / Lightweight & rigid New tooth design / Improved chain contact for power efficiency Revised seal design for BB adaptor / Smoother rotation and longer durability FeaturesShipping/ReturnsSmoother rotation and longer durability.SG-X outer rings have steel chain pick-up tabs riveted to the inner face for positive upshifts5-Bolt, 110mm bcd chain ringsLightweight & Strong Hollow chainringWeight: 637 gramsLightweight & Strong Hollow chainring
- Store
- Giantnerd
- Archived listed price
- USD 449.95
This archived catalogue entry preserves the product information previously listed on this site. Prices and availability may have changed.
Source: saved catalogue listing.
