About Mavic Crossmax SL Front Wheel: Super light weight and UST Tubeless techology combine to create a serious race-ready wheel. also compatible with standard clincher tires/tubes! Alloy rims, adjustable sealed cartridge bearings, alloy straight pull spokes. 18-spoke. Wt:(680g). 26".Features:ISM lightened SUP welded rim for strength and rigidity Ceramic braking surface for more stopping power Adjustable, removable and sealed cartridge bearings Compatible with both tubeless and tubed tiresSpecs:Spacing: 100mmSpoke Count: 18Rim Width: 23.5mmWeight: 650gAccessories Included: BX 601 quick release, UST valve and accessories, wheel magnet, instructions and warranty cardDisc Compatible: NoLacing Pattern: RadialSkewers Included: YesSpokes: Zicral.