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3K Carbon Fiber Hollow Cranks AL7075 100% CNC Crowns 30 mm pin made of AL7050 BB386EVO CNC machined Outer crown: Direct Mount Optimized for 11v systems and Shimano, SRAM, FSA 12v
3K Carbon Fiber Hollow Cranks AL7075 100% CNC Crowns 30 mm pin made of AL7050 BB386EVO CNC machined Outer crown: Direct Mount Optimized for 11v systems and Shimano, SRAM, FSA 12v