The Bontrager Sun Rims Duroc 50 29er Wheel is an original equipment replacement, the perfect upgrade.Bontrager Sun Rims Duroc 50 29er Wheel FeaturesBoost 15x110 mm front, Boost 12x148 mm rear, 6-bolt disc, and Shimano freehubThe extra-wide alloy rim (50 mm outer, 46 mm inner width) is perfect for Plus tyres655g rim is double-wall, welded and disc-specificTubeless setup with STR Tubeless technology (sold separately)Does not include the skewer, reflector, rim strip, valve or owner\'s manualBontrager Sun Rims Duroc 50 29er Wheel SpecificationsSizeFront, Not applicableRear, Shimano Micro Spline 12-speedRear, Shimano/SRAM MTB/Road 8/9/10-speedFT/RRFrontRearRearDiameter2929\"29\"TypeTubeless/ClincherTubeless/ClincherTubeless Ready (TLR)/ClincherCassette compatibilityNot applicableShimano Micro Spline 12-speedShimano/SRAM MTB/Road 8/9/10-speedHub width110 mm148 mm148x12 mmHoles282828Butting141414Cross-sectionRoundRoundRoundBrake type6-bolt disc6-bolt disc6-bolt discAttachmentThru-axleThru-axleThru-axleNipple locking typeBrassBrassBrassValvePrestaPrestaPresta\"