The driver pro is already established as one of the best 29er tyres on the market with mbr wmb and mbuk giving it a big thumbs up with its no compromise rubber compound low profile knob design and tough japanese construction the driver is the ultimate in lightweight speed and reliabilitynow available in 26 and 650b sizes and features zsg rubber compound tough japanese made carcass tubeless ready construction available in 29 x 220 26 x 210 and 275 x 222 folding beadweight 26 560g