Mavic Ksyrium™ SSC Touring, road and triathlon racers looking for a comfortable, lightweight, aerodynamic, ultra high performance wheel for racing on all types of courses. Triathlon. Mavic Professional Racing Series Wheelsets Specifications: Weight: 700 front tire 700g / rear 900g. 700 front tubular tire 700g / rear 900g. Black anodized, Maxtal SUP welded rim. Fore drilling technologies - UB Control brake sidewalls. Integrated free wheel hub with FTS system. Adjustable, removable, sealed cartridge bearings. QRM. M9 compatible free wheel. Aerodynamic Zicral straight pull spokes with iintegrated aluminum nipples and anti-rotation system. 18 front spokes, 20 rear spokes. Radial front spokes, Isopulse rear concept. Delivered with the Mavic composite quick release with high ratio closure, adjustment tool, spoke wrench and Chain Disc. For 19 - 23 mm tires. Tire pressure from 7 to 9.5 bars/100 to 140 PSI.