Dmr axe cranksaxe cranks are lightweight and ready to race strong enough to withstand even the biggest dh hits the axe is versatile enough to fit any all mountain or enduro setup the 30mm diameter crank delivers unrivalled stiffness for excellent power transfer to complete your build with dmrs blade chainring click here features lightweight but strong cranks suitable for all mountain enduro or dh use hollowform technology for a super light and stiff crank axle diameter 30mm tapering