The steel beaded version of the famous MAC, lower price, still very lightweight! 

KHE MAC2 DIRT + 20 x 2,10" (55 mm) size, MAX 6 bar + Weight: 554 g + Special dirt tread for more grip + Steel beaded + Improved traction + Special durable compound + Also available in white

KHE MAC1.5 STREET + Perfect to use for Street riding on the rear wheel + 20 x 1,90" (48mm) size, MAX 6 ba + Weight: 456 g + Steel beaded + Improved traction + Special durable compound + Also available in white

weight tolerance for all tires: +/-8%