Upgrade or refresh of wheels for your mountain bike? A new wheelset can completely change the look and feel of your bike for the better. When it's time to refresh your trusty bike, Trek Genuine Replacement Parts have you covered.PRODUCT DETAILSOriginal equipment replacement Bontrager Affinity TLR Disc 36H wheels.6-bolt Shimano QR hubs.Alloy double-walled rim with 21mm internal, 26mm external width, 36 hole front and rear.Convert to tubeless with a TLR rim strip and valve, sold separately.Please Note: Does not include the skewer, reflector, rim strip, valve or owner's manual.SizeFront, Not applicableRear, Shimano/SRAM MTB/Road 8/9/10-speedFT/RRFrontRearDiameter700C700CTypeTubeless Ready (TLR)/ClincherTubeless Ready (TLR)/ClincherCassette compatibilityNot applicableShimano/SRAM MTB/Road 8/9/10-speedHub width100 mm135 mmHoles3636Butting1414Cross sectionRoundRoundBrake type6-bolt disc6-bolt discAttachmentQuick releaseQuick releaseNipple locking typeBrassBrassValvePrestaPresta