Patent ID: 6932178

Claim:
Rear axle for a motorcycle comprising a frame supporting an engine and a rear driving wheel comprising a hub, the axle being provided with a Cardan drive shaft with a first universal joint for connection with the engine and a second universal joint for connection with a hub of a pinion that is part of a pair of bevel gears along with a ring gear that is firmly joined to the rear driving wheel, in which said rear axle comprises: a tubular body that is attached to the frame by means of a first pivot and accommodates said Cardan drive shaft and said universal joints, a housing, which is joined to said tubular body and accommodates said pair of bevel gears, elastic damping means for suspending said tubular body to the frame, a non-deformable torque bar, which extends between a second and a third pivots, wherein said second pivot has its axis (Z) parallel to the axis (A) of the first pivot and is located in a higher position than said first pivot, and said third pivot is provided at end portions of said torque bar, has its axis (F) parallel to the axis of rotation (R) of the rear wheel and connects the torque bar with a floating member that is supported within said housing by a forth pivot which is firmly joined to the hub of the wheel and which in turn supports said hub of the pinion.