Shimano Dura Ace Chain CN-7900 Compatibility and Specs

Shimano Dura Ace Chain CN-7900. Be careful, CN-7901 and CN-7900 are different chains and don't work on same parts, please check compatibility links at the end of this article.

The new asymmetric design of the Dura-Ace Redesigned plates that improve the contact interface with the cogs. Other improvements to the links provide greater durability and life with less noise and smoother function. Use of hollow pins drops weight by over 18 grams even with the addition of a quick connection / removal link.

Redesigned outer plate | Reduces chain suck
Redesigned asymmetric outer and inner plates | Better contact with gear teeth and smoother shifting, high efficiency pedaling
Hollow pin and perforated plates
Lightweight & strong.
The chain have a mounting direction, please look carefully when mounting it.

Model Number: CN-7900
Series: DURA-ACE
Chain Type: Super Narrow HG for 10-speed
Cassette Compatibility: 10-speed
Pin Link Plate Hollow Link Pin
Roller Link Plate: plated
Average Weight 252g

Use Shimano Chain wear indicator tool, TL-CN41 tool and Shimano TL-CN27.
This chain uses pins Y08X98011 (pins have 2 grooves)

Japan Retail price (116 Links) 4.404 yen (see cross rate here)

7900 series parts are compatible with 10 speed parts Only.

Compatible with Shimano Cassette: CS-7900, CS-7800, CS-6700, CS-6600, CS-5600,

Compatible ONLY with the following Shimano 10 speed crankset: FC-6750, FC-6700, FC-7900, FC-7950, also works with FC-7800C (Does not work with FC-7800).

Does NOT works with FC-6703 and FC-5703, FC-5700, FC-5750

This is for road bike usage will also works for cyclo-cross / randonneur / touring, etc...