Densely packed grid-like tread rolls fast but has plenty of biting edges that conform and grip in all conditions. Single compound infused with Graphene to minimize rolling resistance enhance traction and reduce vibrations for a smooth ride. Long lasting and durable 33 TPI nylon casing designed to shrug off tough road conditions. Solid Shield 3mm puncture resistant belting beneath the tread resists punctures from all but the largest debris. Reflective sidewalls flash while rolling helping to increase visibility during low-light commutes on crowded urban streets. E50 - Rated for use with E-Bikes up to 50kph (31mph) and conform to EU ECE-R75 standard and are designed for more demanding terrains and off-road adventures