ABSOLUTEBLACK OVAL DIRECT BOOST148 34T GOLD 13 SPEED Converts a non-threaded 68mm American
ABSOLUTEBLACK OVAL DIRECT BOOST148 34T GOLD 13 SPEED Converts a non-threaded 68mm AmericanGXP Long spindle BB30 Chainring mounts to any GXP crank and adapts it to a Boost 148 chainline Oval chainrings have been shown to improve traction and reduce leg fatigue 52mm boost 148 specific chainline 11 percent ovality 7075 Aluminum construction
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19