Industry Nine SRAM XD Freehub Body for 2013 and up Torch Hubs X01/XX1/GXIndustry Nine Torch SRAM XD Freehub Body The Torch series freehubs will be utilized on all 2013 and newer Torch series wheelsets as well as the 2013 Torch "Classic" series hubs Torch freehubs maintain Industry Nine's exceptional 3 degree engagement 3 degree engagement is achieved through the use of an innovative six pawl freehub, which utilizes phased engagement to double the number of engagement points from 60 to 120 Significantly lower weight