The MXR Series of hubs have been built for BMX racing, and have won some of the most prestigious events around the globe.Wide spoke flanges make the MXR series build into some of the strongest and stiffest wheels in the market whilst sealed cartridge bearings ensure longevity.At a mere 155g our MXR Front hub is superlight for racing and yet strong enough for freestyle.The forged alloy body and 15mm hollow alloy axle optimise weight and strength, while minimising flex.There are two stock bolt configurations:28H or 32H for Race (with alloy capped Cr-Mo Allen bolts), ,36H for Dirt/Street/Park (with Cr-Mo Hex bolts),.(Note: the 2 bolt options can be purchased and interchanged, if using pegs we recommend the Cro-Mo Hex bolts).