ABSOLUTEBLACK OVAL DIRECT BOOST148 30T GOLD 46T Sealed premium bearings are both
ABSOLUTEBLACK OVAL DIRECT BOOST148 30T GOLD 46T Sealed premium bearings are bothGXP 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 Oct 21 - Oct 26