RIDEFAST RACING MAINLINE WHEELSETDESIGNED FOR WIDE TIRESWheels are easily one of the most important parts of a bike. An upgrade in wheels will greatly improve your bike's performance. The RideFast Racing Mainline Wheelset works best with wider tires and is built for all-mountain and enduro riding. With an internal width of 34mm, the rims are optimized for 2.4" to 3.0"-wide tires. The hubs are designed for Boost setups and the driver on the rear is made of titanium and has a 72-point engagement, which translates to engaging every 5deg. The Mainline is tubeless-ready and ships ready to ride with RideLock Tape and Valves. At only 1720g for the 27.5" version and 1780g for the 29" version, this will become your new favorite wheelset.Features34mm internal rim width works best with 2.4" to 3.0" wide tiresBoost hubs for optimal performanceTitanium driver with 72-points of engagement, or 5degTubeless ready and shipped ready to ride with RideLock Tape and ValvesLightweight at only 1720g per setSPECIFICATIONSWheel Size27.5", 29"MaterialCarbonOuter Width40"Inner Width34"Rim Height30"Spoke Drilling28 HoleValve TypePrestaTubelessYesTire TypeClincherBrake CompatibilityDisc (6-bolt)Front Axle15x110mmRear Axle12x148mmIntended UseAll-Mountain, EnduroWeight1720g (27.5")