Hardtail mountain bike cross country bike type mens model 2017 series scott scale frame material carbon bike frame size inch 19 inch bike frame sizes cm 44 48 39 cm suspension system air suspension fork features remote lockout solo air compression gear system with derailleur number of gears 12 rear derailleur sram eagle crankset sram x1 front chain wheel teeth 34 cassette sram xg 1295 rear chain wheel teeth 10 50 chain sram x01 brake typ