Bitubo
*2 WEEKS EXTRA TRANSIT TIME* Bitubo, MFORK progressive fork spring kit. K 0.75-0.85
*2 WEEKS EXTRA TRANSIT TIME* Bitubo, MFORK progressive fork spring kit. K 0.75-0.85
Impossible de charger la disponibilité du service de retrait
Set includes 2 fork springs for an upgrade installation. Springs are progressive wound and include fork oil. Manufactured from heat treated and shot blasted Cr-Si (chrome silicone) alloy steel. The K value represents the spring rate (stiffness) of the springs. A higher K number are stiffer springs; lower K number are softer springs. Kit includes 2 fork springs; a liter of fork oil and instructions.
Share

Why buy from Forty5°
-
Verified compatibility
Every part we ship is checked against your bike's platform, year, and engine. If it doesn't fit, we tell you before you check out.
-
Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
-
Founder-led aftersales
Get in touchQuestions after fitment? You'll speak to the people who installed it. We answer email and WhatsApp seven days a week.