Shimano Dura-Ace CN-HG901 11 Speed Chain ROAD Integrated low-profile caliper design

Integrated low-profile caliper design

The two machined aluminum cups thread together keeping the bottom bracket stable in the frame

Also fits SRAM XX1

6° of engagement (stock ratchet is 20°)

Shimano Dura-Ace CN-HG901 11 Speed Chain ROAD Integrated low-profile caliper designThe 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: