Flat Track Motorcycle

Flat Track Motorcycle
Springs designed specifically for Flat Track Motorcycles

The Swift Flat Track Motorcycle springs are made to be extremely light weight. They were carefully designed and tested with Boughner Racing. We utilized a specific material formula that helps decrease harmonic vibrations and stays as compliant as possible with course conditions.

ID 2.25" - 8" LENGTH

PART # SPRING RATE USABLE STROKE MAX STROKE MAX LOAD
kgf/mm inch inch lbs
080-225-350F 350 3.5 5.4 1,872
080-225-375F 375 3.5 5.2 1,949
080-225-400F 400 3.5 5.0 2,011
080-225-425F 425 3.5 5.0 2,108

 

ID 2.5" - 8" LENGTH

PART # SPRING RATE USABLE STROKE MAX STROKE MAX LOAD
kgf/mm inch inch lbs
080-250-325F 325 3.5 5.8 1,878
080-250-350F 350 3.5 5.7 1,982
080-250-375F 375 3.5 5.6 2,079
080-250-400F 400 3.4 5.5 2,198
080-250-425F 425 3.4 5.4 2,308
080-250-450F 450 3.4 5.3 2,381