clutch spring Goebel Sport for Hercules Prima, Sachs 505

Goebel Sport clutch spring suitable for:

• Prima 3 type 504
• Prima 3S type 504
• Prima 5 type 634
• Prima 5S type 634
• Prima 5 SL type 514
• Moped P 3
• Moped M 5
• Hobby Rider HR 2
• Optima 3
• Optima 3S
• KTM DKW Rixe Goebel Göricke moped with Sachs 505/2B, Sachs 505/2BX, Sachs 505/2 AKS, Sachs 505/2 CK

The spring rate is 0.8 N/mm higher than the standard spring