The Bontrager Connection QR 6-Bolt Disc Boost 29er Rear MTB Wheel is perfect to refresh or upgrade your trusty bike, Trek Genuine Replacement Parts have you covered.Bontrager Connection QR 6-Bolt Disc Boost 29er Rear MTB Wheel FeaturesOriginal equipment replacement Bontrager Connection Disc wheelsDurable double-wall rim with 20mm internal, 26mm external widthDoes not include skewer, reflector, rim strip, valve, or owner\'s manualBontrager Connection QR 6-Bolt Disc Boost 29er Rear MTB Wheel SpecificationsSizeRear, Shimano/SRAM MTB/Road 8/9/10-speedFT/RRRearDiameter29TypeClincherCassette compatibilityShimano/SRAM MTB/Road 8/9/10-speedHub width141mmHoles32Butting14Cross-sectionRoundBrake type6-bolt discAttachmentQuick-releaseNipple locking typeBrassValvePresta\"