Shimano's M617 Deore chainset provides top-level performance and technologies at a great value for money price. Its twopiece""Hollowtech II' design not only makes installation simple, it also ensures a rigid and smooth operation that lasts. SG-X ""Dyna-Sys"" chainrings give you quick and smooth efficient shifting even under load, helping you to blast down your local trails faster than ever.
Material: Aluminium crank arm and large chainring, Steel inner chainring
Axle profile: Hollowtech II
Type of chain: HG-X 10-speed
The 2-piece design chainset is designed for an external bottom bracket system that is lightweight and incredibly strong
Lightweight and rigid steel bottom bracket axle
SG-X chainring with patented spike pins give smooth and fast gear shifts under load