Mini Moto Monkey Type 1 Swing Arm 3.9 inches (10 cm) LongPipe size 41mm x 20mm Body made of aluminum Mounting part Rubber bushing color specification Pipe size 41mm x 20mm Body Aluminum Mounting part Rubber bushing color specification Brake rod, rear shock bolt left and right 8, 10 inches *10 inches can be installed with tire sizes up to 3. 50, extreme It may not be possible to install certain sizes. Maximum value 3. 75J *Extreme sizes may not be able to be installed. *When installing the back step, a brake