Xtreme Machine Black Fierce Wheels are crafted to perfection. With authentic style accompanied by rigorous thorough testing to give you only the best, they comply with JASO and TUV standards that ensure unparalleled performance in extreme riding conditions. Available in 21-inch option, Xtreme Machine's fierce Black wheels feature a black finish that gives it a cool bike look. It comes with a 5 spoke wheel design with machine cut-outs for a clear cut look.