Muddyfox shady 20 inch bmx the top spec muddyfox shady bmx bike is kitted out with everything you want from a bmx an ultra lightweight chromoly bmx frame and forks features 259 micro gearing tektro u brakes a pivotal saddle and 20 inch alloy wheels muddyfox shady 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 s