Rear wheel hub knuckle: 1 - rear wheel hub fist, 2 - caliper assembly, 3 - O-ring, 4 - rear wheel hub, 5 - brake disc, 5 - brake drum, 7 - brake mechanism assembly
Rear wheel hub knuckle: 1 - rear wheel hub fist, 2 - caliper assembly, 3 - O-ring, 4 - rear wheel hub, 5 - brake disc, 5 - brake drum, 7 - brake mechanism assembly