Dk sprinter expert bmx bikedks sprinter expert bmx bike packs a mighty punch at this price point featuring a 6061 alloy frame with an integrated headset this bike delivers a stiff and responsive ride that will help you unleash the sprinter within despite its name this bike is equally at home when the gradient goes up the arisun xlr8 tyres ensure that no matter what you put this bike through youll do it on a lightweight low profile tyre that only knows how to roll fast you can get the fr