Mongoose mtb aluminum fat tire hardtail frame with alloy fork featuring 135 mm spacing for a stable ride shimano aceraalivio 3 9 drivetrain with altus shifters for excellent all around gearing options and efficient shifting kenda juggernaut 26x40quot tires offer a more nimble feel through cornersframe full alloy frame with 190 mm qrfork mongoose full alloy with 135mm spacingcrankset prowheel 951 triple 3 piece 223040tbb vp sealedpedals mongoose nylon pedalsderailleurs f fd 410