Kenda John Tomac Signature Series Nevegal K Tire 650b 27.5" x 2.10"Kenda Nevegal K 650b (27.5”) MTB Tire. John Tomac is often referred to as the "greatest mountain biker that ever lived" by many cycling magazines and by his race colleagues and competitors. It comes as no surprise that when he needed rubber he went to Kenda to develop his signature series nevegal tire. No surprise it was voted #1 tread pattern 2 years in a row by MOUNTAIN BIKE ACTION Magazine. Ramped center knobs provide traction and speed while tall side knobs are designed to penetrate and hold on loose terrain.047853603903