YSS Progressive Fork Springs

YSS Progressive Fork Springs

YSS progressive springs are a major upgrade to soft factory originals which gradually deteriorate, compromising the comfort, springiness and responsiveness of your motorcycles telescopic forks. The entire front end of your machine dips when you brake, and the ride feels increasingly unstable.

YSS Progressive Fork Springs are manufactured with high performance spring wire before being pre-set and stress relieved giving an extended life span and a higher level of performance over stock equipment.

• Progressively wound for enhanced suspension feel and performance
• Top-grade stainless steel
• TUV approved for Germany

Technical Data:
Spring type : Progressive
Length : 430 mm
Diameter 1 : 35 mm
Spring Rate 1 : 7.5 N/mm
Spring Rate 2 : 11.5 N/mm
Air Gap Left : 130 mm
Air Gap Right : 130 mm
Recommended Viscosity : 15W
Manufacturer : YSS

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