Vero Pro 1x cranksets off the same outstanding value and performance as the others in the Vero line specifically designed for use with 10 and 11 speed 1x drivetrainsSteel Megatooth chainring for tensioner-free rententionStandard Square JIS interface - BB not includedSolid alloy forged crankarms170x42110 SQR JISBLK120x4B741g1x10/11UPC/EAN/GTIN: 840031105288