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BMW R65 R45 FORK SPRING PROGRESSIVE YSS

Product information "BMW R65 R45 FORK SPRING PROGRESSIVE YSS"


Progressively wound fork springs from YSS in a firmer design than the original.

The YSS fork springs are made from high-quality silicon spring steel. This allows for a reduction in wire thickness, making the spring more active and slimmer, while effectively preventing torsion of the spring.
To minimize noise and improve oil flow in the fork, the springs are fully polished and ground at both the top and bottom.
The delivery includes 2 springs for a complete fork conversion.

Technical Data:
Spring Type:   Progressive
Length:   510 mm
Diameter 1:   26.5 mm
Spring Rate 1:   4.5 N/mm
Spring Rate 2:   6 N/mm
Air Chamber Left:   120 mm
Air Chamber Right:   120 mm
Recommended Viscosity:   10W
Manufacturer:   YSS

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