The specialized axis 40 disc scs ta alloy clincher 7000c wheel set the axis 40 scs disc wheelset is performance packed with the patented scs hub system for a proper chainline on short chainstay performance road and cyclocross bikes the tubeless ready with tape and sealant rim has an internal rim width of 21mm providing a better tire profile for enhanced traction this wheelset is built with 12mm thru axle hubs for use on thru axle bikes specialized axis 40 disc scs ta alloy c