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Factory Connection Fork Spring
Factory Connection Fork Spring

Item #FCN000J

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4 Questions
Answered:   4
Not Yet:   0
Q: Hey i am 5'9" and About 183 without gear on i ride Mx in C class with a stock gas tank. I was wondering what my spring rate should be. i have a 2018 kx250f
2 months 4 days ago
Top 10
2 months 4 days ago
A: I really like where your head is on this one. However, I believe this question is better suited for the professionals that do the installs on these. As per the product you are looking at I would contact Factory Connections directly!
Q: Stock springrate.
2 years 7 months ago
Hej guys. Could you tell me what the stock front spring rate on a RMZ 450 2014 is:)? Thank you
MotoSport Staff Expert
2 years 7 months ago
A: The stock fork spring rate on the 2014 Suzuki RMZ450 would be 1.00 kg/mm (stock).
Q: Suspension
2 years 11 months ago
I am 5'10", 190 lbs., Motocross B-rider, What should my spring rate be for my Fork Springs and my rear spring ?
MotoSport Staff Expert
2 years 11 months ago
A: You can find a few online spring generators to help you determine the correct spring rates for you. Here are 2 links to follow:
You can input all your variables there. Be sure to match the front and rear spring rates for best performance. Or you can also contact Factory Connection directly at 800-221-7560 for recommendations.
Q: What should my spring rate be?
Over 3 years ago
Im 6'2" and 240-250 with out gear on, I have a 2007 KTM 300xc that currently has a Factory Connection FCW-H spring in it with a spring rate of 9-11.5kg What should my fork spring rate be to match that?
Expert MotoSport Staff
Over 3 years ago
A: To give a more accurate recommendation I would need a little more information. Riding Type (MX, SX, Desert, Woods, Trail/Enduro, Etc.), Skill Level/Racing Class (Beginner/D, Novice/C, Intermediate/B, Expert/Pro/A), Gas Tank Size (stock or oversized) as well as Age, Height and Weight all factor into proper suspension set up.
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See Fitments
# Part Numbers
Product Variant Manufacturer Part #
.81 Kg LRR-081
.85 Kg LRR-085
.89 Kg LRR-089
.97 Kg LRR-097
.88 Kg LRV-088
.92 Kg LRV-092
.96 Kg LRV-096
1.04 Kg LRV-104
1.0 Kg LRV-100