Bicycle Cranks and Cranksets from Praxis Works and DMR Bikes. Sold and distributed through Upgrade Bikes Ltd in the UK. Cranks and Cranksets provided by DMR Bikes and Praxis Works includes Axe, Axe LE, Cult BMX, Lyft, Girder, Cadet, Alba, Zayante, Zayante Carbon, Zayante Power and Zayante Carbon Power. With a 30mm spindle and Hollow/Cold Forged crank arms, the Praxis Works and DMR Bikes ranges of Cranks and Cranksets are the stiffest and strongest on the market for Road and Off-Road. Carbon Fibre versions of some Cranksets are also available, meaning they are not only Super Strong, but they're also extremely light. All Cranks and Cranksets produced by DMR Bikes and Praxis Works are compatible with SRAM and Shimano 10,11 and 12 speed drivetrains.