Shimano XTR M970 Crank/Bottom Bracket Sets incorporate the benefit of rigidity with minimal weight of the Hollowtech II combined bottom bracket and crankset system. The new FC-M970 manages to drop even more weight while increasing shifting performance and durability.
XTR M970
Composite chainring design for Improved durability
Inner and outer chainrings are nickel-plated AL-7075
Middle chainring has titanium teeth mounted to a composite carbon fiber carrier
68 or 73mm BB shell compatible
Includes Shimano tools TL-FC35 and TL-FC17
Specifications
Bolt Pattern
4-Bolt
Bottom Bracket Included?
Yes
Bottom Bracket Shell Width (mm)
68, 73
Bottom Bracket Thread Type
English
Bottom Bracket Type
Shimano Hollowtech II
Chain Compatibility
Shimano/SRAM 9
Chain Rings
22-32-44
Chainring BCD
104/64mm
Color
Black
Front Derailleur Type
Mountain
Length - Cranks
170mm, 175mm, 180mm
Pedal Spindle
9/16"
Black/Silver - 165mm UPC
689228106499
Black/Silver - 170mm UPC
689228106536
Black/Silver - 172.5mm UPC
689228106550
Black/Silver - 175mm UPC
689228106574
Black/Silver - 180mm UPC
689228106611
Tree Fort ID:
333222338221
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