ENDURO MEDIUM FRONT 90/100-21Stick to the ground which in turn helps give a more precision based ride. Significantly improves obstacle clearing capabilities. Offers outstanding grip in wet or dry conditions without sacrificing durability. Outstanding performance on a wide range of surfaces. All rubber compound and tread design helps provide exceptional grip, including on wet and slippery surfaces. 15% improvement in longevity and more stable performance over time compared to its