Progressive Front Fork Spring XT500 | TT500 | XT250

DescriptionWirth progressive front fork springs are extremely high quality springs that pass strict German safety testing and come with a certifacte of conformity. Safety, quality and performance.Original springs are often single rate and are worn and sagging due to ageProgressive spring rate means the forks react sensitively to small shocks without bottoming out under heavy loadsAll Wirth fork springs come with type approval certificateFor XT500 and TT500 applications use 10SAE oil. With the spring removed and fork fully compressed oil height should be 160mm. Always confirm with the bike’s shop manual.FitsXT500 from 1977TT500 From 1977XT250, Model 3Y3The first 3 digits of your bike’s frame number is the model designation.