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Shimano XTR Dyna-Sys FC-M980 BB93 Trail Triple Crankset

$475.99 $679.95

Item # SHI002Z 30% Off

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  • BB93, 170mm ($475.99)
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Item # SHI002Z

Description

Your cadence weapon.

The XTR Trail 3x10 Hollowtech II BB93 FC-M980 Crankset gives you maximum gear range for your ten-speed drivetrain. Naturally, it's a significant improvement over its predecessor, the XTR 970 crank, in a number of ways. First, it's lighter by about 50 grams. Then there's the move back to pinch bolts for the left side crankarm, which fixes it to the splined Hollowtech II spindle.

Like the last generation XTR cranks, the FC-M980 XTR Cranks use Shimano's Hollowtech II hollow cold forging process. This makes for a crankarm assembly that's lighter and stronger than traditional solid forgings. The outer chainring is hollow as well, and the advanced 3D shape is stiffer and more resistant to deflection when you're trying to make quick shifts up to the big ring. Gone is the threaded preload collar from the XTR 970 crank. The pinch bolt design better separates the functions for bearing preload and securing the crank.

The chainrings are shaped according to Shimano's HG-X tooth profile design. What this means is that the shifting has been optimized to work with the new HG-X 10-speed XTR chain. The middle ring is still a composite of carbon and titanium to add rigidity for better shifting, increased service life, and smooth power delivery to the cassette out back. It has a 42/32/24t chainring configuration.

The XTR Trail 3x10 Hollowtech II FC-M980 BB93 Crankset is available in four crankarm lengths, from 165, to 180mm, and in the color Gray. Please note: this crankset does not include a bottom bracket.

Tech Specs

Arm Material:
aluminum
Arm Length:
165 mm, 170 mm, 175 mm, 180 mm
Chainring Sizes:
24/32/42 t
Bolt Circle Diameter:
[inner] 64 mm, [outer] 104
Bottom Bracket:
BB93
Rings:
3
Claimed Weight:
[170mm] 755 g
Recommended Use:
mountain biking
Manufacturer Warranty:
3 years

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