CloseStep gearing:
� Dual Spike chainring technology
� 10-speed specific
� Shimano 88x4 bolt pattern
Specifications:
� Crank Construction: HOLLOWTECH II
� Cassette Compatibility: 10-speed
� Chain Compatibility: HG-X 10-speed
� 4-Arm Chainrings
� Outer Chainring: Aluminum
� Inner Chainring: Aluminum
� Bottom Bracket compatibility: SM-BB90-A
� E-type FD Compatible: Yes
� Chain Line: 48.8mm