3way adjustable, (High and low speed compression and rebound), the open bath damping cartridge give the Deville a maximum damping quality: more grip, more energy, more suppleness and tolerance, for an efficiency fitted to your riding styleWith less friction, a better progressiveness, a lighter weight, and a steady running, the BOS air technology flaunts better performance than a common coil springNewcosmetics,Biodegradable oil,Wider range of adjustment,New damping curve.Technical Specifications:Biodegradable oil anti-friction developed by BOS,Travel : 160mm,Wheels : 27.5",Weight : 1990g,Axle : 20mm,Stanchions : 34mm,Axle to crown lenght : 565mm,Total offset: 41mm.