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Overview

Why Is the Shimano Dura-Ace CN-HG901-11 the Gold Standard for 11-Speed Chains?

The Shimano Dura-Ace CN-HG901-11 is the flagship 11-speed road chain, built for riders who demand the best drivetrain efficiency available. The entire chain, plates and rollers, receives complete SIL-TEC treatment, Shimano's advanced plating process that embeds fluorine particles for ultra-low friction, superior water and dirt resistance, and extended durability in all conditions. The HG-X11 asymmetric directional design optimizes the right side for front shifting and the left side for rear shifting, resulting in smooth, precise transitions across the full cassette range while minimizing drivetrain noise.

Hollow pin construction keeps weight low, with Shimano listing an average of 247 grams at 114 links. Compatible with all 11-speed Shimano drivetrains including Dura-Ace R9100 and is also rated for e-bike use. Ships at 116 links. Shimano's SM-CN900-11 QUICK-LINK fits this chain.

All the specs

MPN ICNHG90111116Q

Model
CN-HG901-11
Speed
11-speed
Links
116
Weight
247g average (114 links)
Treatment
Full SIL-TEC on plates and rollers
Design
HG-X11 asymmetric directional
Construction
Hollow pin
Compatible
11-speed Shimano road and e-bike drivetrains

FAQ

Good questions

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Is the CN-HG901-11 compatible with Ultegra and 105 11-speed drivetrains?

Yes. The CN-HG901-11 is compatible with all Shimano 11-speed road drivetrains including Dura-Ace, Ultegra, and 105.

What makes SIL-TEC different from a standard chain coating?

SIL-TEC is an advanced plating process that embeds fluorine particles into the metal, not just a surface coating. It reduces friction, repels dirt and water, and extends chain life.

Which Shimano quick-link fits the CN-HG901-11?

Shimano lists the SM-CN900-11 QUICK-LINK for its HG 11-speed and LINKGLIDE chains, which includes the CN-HG901-11.

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