Original freewheel / locking body with 29 teeth installed on the following mopeds with Beta 521 engine:

• Cilo Cross 521 & 512
• Pony Cross 521
• Pony GTX 521

Inner diameter: 24 mm
Outer diameter: 32 mm
Height: 8.47 mm

This freewheel is often defective, which results in the moped revving high in first gear without moving.