The XTR chainset from Shimano is a class-leading product for MTB use, integrating the bottom bracket and chainset into a strong, rigid, yet lightweight unit.
It has the benefit of rigidity with minimal weight of the Hollowtech II combined bottom bracket and crankset system, dropping even more weight while increasing shifting performance and durability. 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. Silver crank arm face for lasting good looks. Easy to use splined Octalink bottom bracket spindle connection provides a rigid and secure interface between crank and spindle. The middle chainring is made of titanium supported in a carbon shell which combine to produce a hard-wearing, light weight, and stiff set up. For use with Super Narrow HG chain. Weight(g): 747 Incl. BB. PCD/BCD: 104/64. Spider: 4 arm. Chainrings: Triple.
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