As it should be - Sonic Springs - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
V-Strom Modifications and Performance The brag page, good and bad.

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post #1 of 7 Old 09-08-2019, 03:27 PM Thread Starter
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As it should be - Sonic Springs

I dismissed playing with the suspension as bothersome and expensive. Then I remembered my fork oil was original on a '15 XT, and detested the skittish front end behavior on uneven surfaces. So with a valve check looming I blew the $120 on a set of Sonic straight weight springs. May as well get rid of the two-stage progressive stuff while the oil is being changed, yeah? The mechanic (Cycletune in Portland, OR) even set the sag properly after the swap, though for a guy a little lighter than me.

Shoulda
Done
It
Sooner

I left the mech, hit a gas station, and promptly took off on a two hour ride. In town I noticed a difference but it was subtle: bumps didn't cause the front to dance, brake dive was less, stops were a bit quicker. Out of town on a rural highway was eye-popping at how such a simple change could make an astonishing difference. Planted, controlled, precise, comfortable. The front didn't trill after a bump, a light press on the bar brought an exact angle of lean. Pushing through the corners proved easier, the ride far more plush. The rear is still squishy as it is undersprung, front still dives a bit under braking but far less than the stock springs permitted. All around, this is one change Suzuki should make from the factory. Pretty damn fine for $120 delivered.

Being slow doesn't make a boring bike. I had a R1 which I thought was boring. Boring is a bike that doesn't speak to you. If you like what your bike is saying let it's voice take you to far flung places. - Vertical C
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post #2 of 7 Old 11-05-2019, 05:25 PM
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I got a set of Sonics waiting to be installed.....will do in a month or two. I picked this new pair up for $25 at the Eastern Vstrom Rally years ago. The guy won them in our Rally Raffle the previous year, never installed them, and sold em at the rally the following year....to me!! Score!!!
Big B likes this.

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Over 100 Attendees at the May 2019......already planning it for 2020!!
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post #3 of 7 Old 11-05-2019, 08:25 PM
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Do those sonic springs come in different strengths for different weight riders?

Cheers

RLBranson
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post #4 of 7 Old 11-05-2019, 08:56 PM
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Believe length is constant but the springs come in different stiffness for different rider weights. https://sonicsprings.com/catalog/

Mark
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post #5 of 7 Old 11-05-2019, 08:58 PM
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Nice! Yeah the factory springs are too soft for my liking on wee. Even moderate braking causes too much front end dive.

Two wheelz for realz!
'18 DL1000XT
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post #6 of 7 Old 11-05-2019, 11:44 PM Thread Starter
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Length is constant, weight is a variable.

Sonic Springs

Do the math. If you ride ranging from spirited to Street Rossi, use the recommended weight. If you want more plush, go a tenth lighter. Sonic's math said I needed 0.95kg so I ordered 0.85kg springs as I don't go hooligan often and when I do, it's still pretty tame. Chris, Cycletune's owner, took my bike for a check ride after the work was done. His words to me: "You're gonna put a million miles on that thing. It rides like a damn couch!"

Being slow doesn't make a boring bike. I had a R1 which I thought was boring. Boring is a bike that doesn't speak to you. If you like what your bike is saying let it's voice take you to far flung places. - Vertical C
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post #7 of 7 Old 11-06-2019, 01:15 AM
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Quote:
Originally Posted by Bogfarth View Post
I dismissed playing with the suspension as bothersome and expensive. Then I remembered my fork oil was original on a '15 XT, and detested the skittish front end behavior on uneven surfaces. So with a valve check looming I blew the $120 on a set of Sonic straight weight springs. May as well get rid of the two-stage progressive stuff while the oil is being changed, yeah? The mechanic (Cycletune in Portland, OR) even set the sag properly after the swap, though for a guy a little lighter than me.

Shoulda
Done
It
Sooner

I left the mech, hit a gas station, and promptly took off on a two hour ride. In town I noticed a difference but it was subtle: bumps didn't cause the front to dance, brake dive was less, stops were a bit quicker. Out of town on a rural highway was eye-popping at how such a simple change could make an astonishing difference. Planted, controlled, precise, comfortable. The front didn't trill after a bump, a light press on the bar brought an exact angle of lean. Pushing through the corners proved easier, the ride far more plush. The rear is still squishy as it is undersprung, front still dives a bit under braking but far less than the stock springs permitted. All around, this is one change Suzuki should make from the factory. Pretty damn fine for $120 delivered.
Not nearly as cheap of an option but Touratech sells a rear shock made by Tractive that makes an even bigger difference!

2018 Vstrom 1000
2014 Kawasaki Vulcan 1700 Nomad
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