Recommended Shock Spring - 2018 Husqvarna FC350 - 230LB Vet Rider

6/12/2022 11:50am
Hi Guys,

Can anyone recommend the appropriate rear shock spring for a 2018 FC350 for 230 lbs. C level vet rider?

Not confident what spring rate I should be looking for. On the Race Tech website spring calculator it provides a value of 5.30 kg/mm. There is no 5.3. I would have to go with 5.20kg/mm or 5.40kg/mm. Are there any spring rates from different manufactures anyone else has experience with?

Thanks
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183Matt
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Fantasy
1331st
6/14/2022 9:38pm
5.2 will be fine if you are 230 dressed to ride.
Bruce372
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US
6/14/2022 10:14pm
And get the oem spring

The Shop

DC193
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6/26/2016
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Sydney AU
6/19/2022 8:36pm

i went on the racetech calculator for my 2021 MC450 and it states a shock spring of 5.19 for novice rider with preference for soft, which looks very high to me. Stock spring rate is a 42, i've upped to 45 and would agree it needs probably a 48, but 52 ?
Splat03
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8/5/2018
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Kiowa, CO US
6/20/2022 12:05pm
DC193 wrote:
i went on the racetech calculator for my 2021 MC450 and it states a shock spring of 5.19 for novice rider with preference for soft, which...

i went on the racetech calculator for my 2021 MC450 and it states a shock spring of 5.19 for novice rider with preference for soft, which looks very high to me. Stock spring rate is a 42, i've upped to 45 and would agree it needs probably a 48, but 52 ?
It depends on what terrain you’re riding, how much you weigh and how accurately you describe your riding skills. Plus, if you are riding a lot and skills are progressing you’ll need to bump up higher than 5.2 at some point. The race tech calculator has been a pretty strong tool for getting suspension rates correct but, if you have gotten used to riding you’re bike on a soft spring, running the actual correct rate will feel pretty stiff.
BikePilot
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9/27/2014
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Golden, CO US
7/3/2022 7:14pm
If between two I suggest going stiffer on this platform. It doesn't have great hold up and being on the stiff side will let you back off the damping just a bit, resulting in a smoother ride.

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