Muddyfox crank bmx the muddyfox crank bmx has a tough freestyle bmx frame and features tektro u brakes a 360 degree gyro and 25x9 gearing this bmx bike also comes complete with 4 stunt pegs muddyfox crank bmx tech spec 10 inch steel freestyle bmx frame and forks freestyle bmx handlebars tektro front and rear u brakes 360 degree gyro system one piece crank with cut out chainring 25t x 9t single speed bmx saddle 20 inch double wall alloy wheels 4 stunt pegs