Shimano M590 Triple Chainset with Bottom Bracket
The Shimano M590 Triple Chainset with Bottom Bracket is a great value Deore 2-piece design chainset for 9-speed transmissions. The 2-piece design chainset features an external bottom bracket system which is a lightweight rigid design that is incredibly strong and durable.
The outer is lightweight aluminium with steel middle and inner chainrings for strength and durability.
Features
- Lightweight and rigid steel bottom bracket axle
- 48/36/26 SG-X chainring with patented spike pins give smooth and fast gear shifts under load
- Lightweight aluminium outer with steel middle and inner chainrings
- We recommend that the bottom bracket is initially installed by a bike shop to ensure perfect facing and fit
- Mega9 compatible
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