Shimano Dura-Ace CN-HG901 11 Speed Chain Echelon Tooth: 34

Tooth: 34

while still offering a solid effective edge for grass and loam terrain

Combinations: 39/53 - 36/52 - 34/50

9mm inner liner may not be compatible with all frames and components

Shimano Dura-Ace CN-HG901 11 Speed Chain Echelon Tooth: 34The Shimano Dura Ace CN HG901 11 Speed Chain receives a complete SIL TEC treatment on its plates and rollers for increased durability and efficiency. Its asymmetric design ensures smooth front and rear shifts while reducing drivetrain noise. Compatible with 11 speed drivetrains, the HG901 11 is also rated for e bike use. Specifications Rear drive: smooth driving without noise Front drive: preserves chain security at cross chainline Front & Rear Shift: