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XTR 9100 Crankset 170mm 32T (Inc. BB-M980)

XTR 9100 Crankset 170mm 32T (Inc. BB-M980)

Bird Cycleworks

£358.33

Class-leading XTR 12-speed crank set, integrating the bottom bracket and crank set into a strong, rigid, yet lightweight unit Direct mount chainrings are lightweight and easy to replace while providing increased rigidity, can be set up as single or double Integrated bearing preload design is lightweight and makes installation and adjustments easier than ever Super-lightweight HollowTech II cold forged Duralumin crank arms hollow design saves weight whilst increasing rigidity and durability Easy to use splined bottom bracket spindle connection provides a rigid and secure interface between crank

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The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.