4 bolt spider compatible with all XTR 9000 series chainring configurations Race specific narrow 158mm Q-factor for high pedaling efficiency Left crank arm features hollow cavity with hollow bonded construction Hollow carbon-reinforced titanium-alloy construction chainrings for optimized rigidity, weight, and durability Durable titanium teeth featuring hollow construction on the outer ring Computer-optimized shift paths for quick, smooth shifting
Specifications
More Information
Brand
Shimano
Manufacturer Part Number
IFCM9000CX66
UPC
689228606340
Drivetrain Speed
11 Speed
Crank/BB Interface
HollowTech II
Chainline
Standard
Chainring Sizes
26-36T
Crankarm Length
170mm
Crank Material
Aluminium
Color
Grey
BCD
64/96mm
Bottom Bracket
Not Included
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