Models Shimano gear hub disc rotor 15 267 2 Angle grinder CAD model 68 1684 9 Shimano Alfine 8 speed internal gear hub 63 2286 10 Shimano XT hollowtech right crank arm for bicycles 49 1652 6 Magura marta rear disc brake for bicycles 24 1050 0 Magura marta front disc brake for bicycles 17 587 0