Patented X-Sync chainring technology provides unparalleled chain retention as part of a complete SRAM 1x system Integrated 4-arm, asymmetric spider maximizes stiffness to weight Greater frame and tire clearance than other road cranks, 2mm per side Forged AL-6061 T6 alloy crank arms X-SYNC tooth design provides maximum chain control Chainring Included: Yes Number of Chainrings: Single Speeds: 1x10/11speed Pedal Spindle: 9/16" Rings: 42 Tooth Bolt Circle Diameter: 4-bolt 110mm Asymmetric Chainline 45.5mm Spindle Interface Type: Truvativ GXP BB Included: no
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