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- Crankset
- Shimano FC-M970 "XTR"
- 9-speed
- Hollow aluminum
- Collared arm-to-bearing cup interface for precise bearing adjustment
- Carbon-composite reinforced titanium middle chainring and nickel-plated
- Double anodized outer chainring for increased durability with Hyperdrive pin/ramp chainring design for shifting performance
- With Hollowtech II BB: integrated drive-side spindle with outboard, wide-stance bottom bracket bearings for optimized rigidity and weight reduction (fits both 68/73mm shells with included spacers)
- Triple chainring
- Includes 4-bolt 22/32/44t chainrings and BB set for 50mm chainline (135mm rear spacing)
- 1/2 x 3/32"
- 2-piece
- Hollow-forged Ultra-Duraluminum crankarm with integrated 4-arm spider
- Gray/silver
- 775gm weight with rings
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