Control Tech
Double Play Crankset 29/40t 175
Monocoque carbon composite arms/spider, no drilling for granny ring
Integrated bottom bracket spindle, external bearing-type alloy cups
94mm BCD CNC 7075 aluminum rings with ramps/pins on the outer
Includes 7075 aluminum chainring bolts. 725g (175mm with BB) Confused about bottom bracket standards and what it is you need? Here's a comprehensive look at the subject:
The Bottom Bracket (Un)Standard blog post. Specifications
Bottom Bracket Included?
Yes
Bottom Bracket Shell Width
68/73mm
Bottom Bracket Thread Type
English
Bottom Bracket Type
Shimano Hollowtech II
Chain Compatibility
Shimano/SRAM 9
Front Derailleur Type
Mountain
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Tree Fort ID: 333222358228