The Shimano Dura-Ace CN-7901 Bicycle Chain (10 Speed) When you need the smoothest directional shift with uninterrupted power transfer look to Shimano for their Dura-Ace CN7901 Bicycle Chain. The innovative directional directional design with both inner & outer plates working together to reduce any possibility of chain suck. This chain is 10 speed compatible
- 5.88mm chain width & optimised for Shimano HG systems features a zinc-alloy finish to prevent corrosion.
- T.H Weight: 252g (Manufacturer claimed). This chain is optimised for use with Dura-Ace but will work with all Shimano 10 speed drive-trains. Please note this chain is directional & care should be taken when fitting to ensure it is on correctly.