Bicycle Cranks and Cranksets from Praxis Works. Sold and distributed through Upgrade Bikes Ltd in the UK. Cranks and Cranksets provided by Praxis Works includes 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 range 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 Praxis Works are compatible with SRAM and Shimano 10 11 and 12 speed drivetrains.