Reverse components. The component manufacturer Reverse Components, originating from the Black Forest, specialises in mountain bike parts from day one, which should meet the extreme demands in the field of All Mountain to extreme downhill in terms of performance, durability, compatibility and durability. The modern yet stylish design of the products is also extremely important and so the Reverse product range now offers over 850 different coloured products around the mountain bike. Be part of the reverse family Material: Aluminium / steel. Features: With the single-speed conversion kit from Reverse Components, it is possible to convert a conventional hub with freewheel body to single speed. In order to * a straight chain line, thanks to the total of seven different spacers, the sprocket can be optimally positioned on the freewheel body. The spacer kit is available in eight different colours. Features: Flange: 7 mm. Chain ring: 3/32 inch 1.8 mm tooth thickness, 7 spacers in the set lock ring in the same colour including 13 teeth sprocket