| 主权项 |
1. “TENSIONING DEVICE FOR A SECONDARY TRANSMISSION” used in motorcycle rear wheels with the aim of aligning the wheel and tensioning the chain of the secondary transmission, said device being located on slots in the motorcycle swinging arm, the tensioning device also acting as the rear wheel axle, characterised in that the tensioning device has a cylindrical body or shaft, on one end of which there is a threaded area, while on the other there is an head for adjusting the chain, one cam being located on each end of the shaft, with means to immobilise them on the shaft. |
