Muddyfox hunter 20 inch bmx the muddyfox hunter bmx bike is built for the streets the chromoly bmx frame and forks is fitted with 259 micro gearing tektro u brakes a pivotal saddle and 20 inch alloy wheels and just check out those gum wall tyres muddyfox hunter bmx tech spec part chromoly freestyle bmx frame with removable gyro tabs chromoly bmx fork freestyle bmx handlebars alloy a head stem front rear tektro u brakes 3 piece 170mm crankset 25t chainring 9t