Pure Fix Glow in the Dark 50mm Wheelset Super deep dish rims with hub width of 100mm front, 120mm rear 700C front and rear wheels with 32 spokes each 50mm rim depth; double-walled aluminum Flip-flop hubs with 16T fixed cog, along with a 16T freewheel cog for single-speed riding Includes nylon rim-strips to protect against sharp edges and prevent tube puncture Super deep dish 50mm rims Solid color sidewall Color matched rim and spokes with single accent color spoke Aerodynamic and light weight