skike - Inner Tube 6.25 inch for 9SB Rim, fixed black 6.25 inch Air tube 6.25 inch for 9SB-rim with safety valve and protecting cap, a special fixing prevents the valve from shifting, so the tube remains in the correct position and wont slip, adjusted to fit skike v7 FIX and v8 LIFT Cross. Content: 1 Piece incl. assembly instruction V7 Fix, V8 Lift, Cross , Cross 2R, Cross 4R