Progressive Suspension
PS Drop-in fork lowering kit, 39mm tubes
PS Drop-in fork lowering kit, 39mm tubes
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Drop your fork up to 2 inches in 30 minutes. No need to disassemble the forks; pulling the wheel or even changing the oil. The installation can be done without special tools. The Progressive Suspension shorter springs and the new secondary compensator springs makes this kit truly a drop-in installation and; in contradiction to popular belief; actually improves the ride quality.
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Why buy from Forty5°
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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.
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Workshop installation
Book a serviceHave us fit it. Book installation at parts intake — same-day on most jobs, master techs only.
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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.