Lifeline essential commuter mtb tyrethe lifeline essential commuter mtb tyre offers high rolling speed, all weather grip across multiple types  of terrain and confidence inspiring puncture protection. The tread pattern channels water away from the centre of the tyre so traction is not hindered in wet weather and the tough, lightweight kevlar breaker stops inner city puncture hazards from slowing your daily commute.rolling efficiency and cornering stabilitythe smooth rolling centre tread keeps rolling efficiency at its maximum and the shoulder ramps add an edge to the tyre profile, which is a noticeable benefit to your cornering stability. It features a durable and lightweight aramid bead that provides a secure and reliable interface with your wheel rim and has the added benefit of making installation and removal easy.featuresbead folding aramidtread compound 70apuncture protection kevlar breakertpi 60pressure 40 65 psiweight 535gbuy lifeline wheels tyres from chain reaction cycles, the world's largest online bike store.