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“Used” Sram Red Carbon Crankset 52/36t - 175mm- 11-Speed- GXP The podium winning SRAM RED crankset is now available in graphics to match the RED eTap electronic drivetrain. SRAM RED cranks use ExoGram hollow carbon crank arms and spider for reduced weight, while staying ultra stiff. SRAM RED GXP cranks are designed to work with frames that use threaded bottom bracket shells or press-fit 86mm bottom brackets. The GXP spindle has a 22/24mm taper and will not work with 24mm compatible outboard bearing bottom brackets. RED Cranks with compact gearing use 110mm BCD chainrings and are not compatible with the full geared chainrings. SRAM uses a hidden 5 bolt that is molded into the crank arm for chainring stiffness and to use less material than having a stand alone 5th spider arm. Mounted to the carbon spider are SRAM's X-GlideR chainrings, that have a thicker construction and hard anodization for excellent wear and quick shifts. Advanced shift timing pins and ramps are optimized to be used with SRAM''s Yaw front derailleurs. Not sure if the RED cranks will work with your drivetrain, SRAM''s compatibility chart is available here. Hollow carbon arms and spider X-GlideR machined alloy chainrings Optimized for Yaw front derailleurs Updated eTap graphics. Now with graphics to match the RED eTap group. Specifications Crankset 52/36 Spindle Interface Type: BB30/PF30 Pedal Spindle: 9/16" BB Included: No Crank Intended Use: Road Spindle Diameter: 30 Chainrings Included: Yes Crank Length (mm): 175 Free shipping in the 48 states and Puerto Rico. For shipping to Alaska, Hawaii, please email us for a shipping quote. ALL SALES ARE FINAL, NO RETURNS