The Bontrager Connection 27.5in Boost 6-Bolt Disc Rear MTB Wheel is perfect when it\'s time to refresh your trusty bike. Trek Genuine Replacement Parts have you covered.Bontrager Connection 27.5in Boost 6-Bolt Disc Rear MTB Wheel FeaturesOriginal equipment replacement Bontrager Connection Disc wheels32h wheel with Presta-valve rim and 6-bolt disc QR hubDurable double-wall rimDoes not include the skewer, reflector, rim strip, valve or owner\'s manualBontrager Connection 27.5in Boost 6-Bolt Disc Rear MTB Wheel SpecificationsSizeRear, Shimano/SRAM MTB/Road 8/9/10-speedFT/RRRearDiameter27.5TypeClincherCassette compatibilityShimano/SRAM MTB/Road 8/9/10-speedHub width141mmHoles32Butting14Cross-sectionRoundBrake type6-bolt discAttachmentQuick-releaseNipple locking typeBrassValvePresta\"