Specifically for turbo trainers. The compound has a much lower internal resistance so making it particularly suitable for roller training. The Insider should not be used on the road! Size  ETRTO 23-622 (Franz.Bez. 700cx23). Type  Folding. Compound  Roller. Execution  Performance. Colour  Blue. Skin  Twin. Weight  310 g (11 oz). Pressure  6.00 - 10.00 Bar (85 - 145 psi). Maximum load  70 kg. EPI  67. Article number  11600084.01.