Shimano XTR FC-M980 Double Chainset
Class-leading Shimano XTR FC-M980 Double Chainset, integrating the bottom bracket and chainset into a strong, rigid, yet lightweight unit.
The crank arms are constructed from super-lightweight HollowTech II forged Duralumin and a hollow design makes them lightweight with excellent rigidity.
Features
- Integrated design makes installation and adjustments easier than ever
- Precision bottom bracket bearings are spaced further apart, and are therefore more stable and longer lasting than conventional bottom brackets
- Super-lightweight HollowTech II forged Duralumin crank arms - hollow design saves weight whilst increasing rigidity
- Easy to use splined bottom bracket spindle connection provides a rigid and secure interface between crank and spindle
- 38-26T double set up ideally suited for all-mountain use in conjunction with 11-36T cassettes
- Development has resulted in stiffer, light weight and hard-wearing HG-X 7075 aluminium outer and inner chainrings with a highly durable Nickel-plate treatment
- HG-X chainring with patented spike pins give smooth and fast gear shifts under load
- 104 / 64 PCD four-arm chainrings
- For use with 10-speed HG-X MTB chains only
- Average weight 755 g (175 mm including BB)
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