Shimano M590 Triple Chainset with Bottom Bracket
Great value Deore 2-piece design chainset for 9-speed transmissions. The Shimano M590 Triple Chainset with Bottom Bracket features an external bottom bracket system which is a lightweight rigid design that is incredibly strong and durable.
The middle and inner chainrings are constructed from steel while weight is reduced by the aluminium outer.
Features
- Lightweight and rigid steel bottom bracket axle
- SG-X chainring with patented spike pins give smooth and fast gear shifts under load
- Lightweight aluminium outer with steel middle and inner chainrings
- Mega9 compatible
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