Fork springs Pränafa 360mm 21.50mm black for Hercules Prima 5S, SX, 6, Jogging, Optima 3,

A set of Pränafa fork springs (2 pieces), made in Germany and of top quality, suitable for Sport fork models. The springs are 40 mm shorter than the original springs and give the vehicle a sporty look. They are easy to replace and fit Hercules Prima 5S Type 634-021, Prima 5S Type 634-032, Prima SX Type 634-028, Prima SX Type 634-033, Prima 6 Type 635-003, Jogging Type 516-001, Optima 3, and Optima 3S. Comparable part number: 921 156 91 39 000. Dimensions: length 360 mm, diameter 21.50 mm. To ensure maximum compression, the stop in the fork should be shortened by 40 mm at the dip tube. Spare part on parts catalog image No. 5.