Bitubo MFORK Fork Springs Kit Progressive + 1 Lt. Oil

These progressive fork springs from Bitubo are wound with a variable pitch, meaning they get stiffer as they compress. This design helps your motorcycle handle bumps and rough roads more smoothly while still offering improved support during hard braking and cornering. The kit includes 1 liter of specialized fork oil to ensure you have the right fluid for optimal performance.

Bitubo uses high-strength steel for these springs, which is well-built to resist fatigue and maintain its intended rate over time. The progressive nature means you get a more comfortable ride on choppy surfaces because the initial part of the spring's travel is softer, but as you encounter larger bumps or lean into a turn, the spring rate increases to prevent bottoming out and keep the front end stable. This offers a noticeable improvement in both rider comfort and overall handling precision.

When installing these, remember that fork oil levels and spring preload are critical for proper function. It's always a good idea to consult your motorcycle's service manual for the exact procedure and specifications, ensuring the best possible performance and feel from your suspension.