The standard inner tube available in all sizes offers the best compromises for the demands of everyday life Weight and rolling resistance can be significantly improved with Light and Supersonic inner tubes The thinner wall thickness of 045 mm, however, increases the risk of a puncture. be inflated more often The Hermetic Plus tube is a downright worry-free product The reinforced compound and the increased wall thickness make it particularly puncture resistant This inner tube is the favorite with many bike rental companies as it retains air for an extra long time and punctures less Our downhill tubes are also extra strong and voluminous They provide effective protection with their extra thick wall - Color: BLACK - Brand: CONTI