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Street Triple Forum Owners and Enthusiasts of the new Triumph 675 Street Triple.

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Old 11-09-2012, 10:17 PM   #1 (permalink)
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looking for info on suspension mods

hi, I'm looking for info on upgrading the suspension on a '09 street triple. the forks are confusing me the most. can I swap internals from speed triples or daytonas into the legs of a street(non r) with a minimum of modifications? it looked like I could swap the tubes but the internals look easier to come by and I don't have to swap the front brakes.

also, is the rear just a straight swap with an earlier model Daytona 675? if all this info is on the site, I could not find it.

thanks in advance for any help you can offer.


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Old 11-11-2012, 12:12 AM   #2 (permalink)
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You can't swap the cartridges since the standards fork legs aren't machined for the compression adjusters.

The rear is a straight swap for any 675.

What are your forks not doing now? Mine actually worked fairly well after a few adjustments.
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Old 11-11-2012, 12:33 AM   #3 (permalink)
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the thing they are not doing well is being adjustable. they are not awful in anyway, I just like the idea of being able to change some of the settings and experiment.

can speed triple fork tubes be used?


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Old 11-11-2012, 10:08 AM   #4 (permalink)
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Quote:
Originally Posted by monkey wrench View Post
hi, I'm looking for info on upgrading the suspension on a '09 street triple. the forks are confusing me the most. can I swap internals from speed triples or daytonas into the legs of a street(non r) with a minimum of modifications? it looked like I could swap the tubes but the internals look easier to come by and I don't have to swap the front brakes.

also, is the rear just a straight swap with an earlier model Daytona 675? if all this info is on the site, I could not find it.

thanks in advance for any help you can offer.


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After riding a demo 675 R, I reallised the shortcoming of my standard version in terms of handling & brakes.
Took the bike to out local suspension guru, (does all the race bikes) who replaced the front shocks etc with cartridges from a CB 600RR & built me a rear shock with all the adjustments for the price a a new Ohlins shock. The difference on the track has been astounding, a bit hard on the road but it was a custom set up for track days. By far the best money I have spent on my bike.
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Old 11-11-2012, 10:34 AM   #5 (permalink)
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Matris makes a set of drop in cartridges for the Standard Street triple that includes roller bearing pre-load adjusters on both legs and compression adjustment in one leg, with rebound adjustment in the other. Both on top so they drop right in the stock fork tubes. They will also customize the spring and valving rates to your needs. Comes complete, ready to install including fork oil.

Matris part # FT102S



.

They are not cheap but I have the high end Matris FO-5R cartridges for the R in my bike and find them to be better than the Ohlins, Traxxion, and modified OEM forks I have had on other bikes. PJ & Paige at PJsParts.com are US dealers for Matris and can help you with pricing. E-mail them and they will contact the factory directly for the best up to date pricing. A plus is that Paige also rides a Street Triple.

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Last edited by Orangeman; 11-11-2012 at 11:03 AM.
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Old 05-27-2013, 09:19 PM   #6 (permalink)
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Is it a problem to swap the rear shock for a better shock (675 or st3R) and leave the forks as is on a 2008 non-R model? If the rear can be changed without changing forks, what rear upgrade do people recommend? Not sure why, but my suspension has become worse this year (only 13K on it).
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Old 05-27-2013, 10:46 PM   #7 (permalink)
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some people have swapped out the rear shock for a Honda cbr600rr. better shock and much cheaper. do a search for cbr600rr shock.
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Old 07-22-2013, 12:28 AM   #8 (permalink)
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I have a d675 rear in my bike now. Huge difference. Still using standard forks. Now that i got a taste of what suspension can do im in the hunt for r or daytona forks.
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Old 07-23-2013, 10:30 AM   #9 (permalink)
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Those Matris cartridges look like da bomb for the Street Triple! Suspension mods are not cheap but are well worth it if one is keeping the bike for a number of years IMO.
-The main problem with sport-bike rear suspension is not the shock but the high rising-rate linkage which is designed for the extra weight of a passenger (that is rarely used) but results in compromised performance for a solo rider. Riders often install a softer spring which gives a marginally softer ride but results in increased 'squat' and head-shake on hard acceleration. If you are willing to remove the passenger pegs you can vastly increase stability, ride comfort, and handling with a more linear linkage and a shock with the proper spring and damping for your weight. I love mine cos the results are amazing, especially the absence of 'squat' even using the recommended 95 N/mm spring on the Ohlin's shock (the linear linkage is designed for the Daytona but fits the Street Triple nicely). See my thread on linear linkage. Give Dan Kyle a call at KyleUsa for a linear linkage and Ohlin's shock combo. - Wayne

Last edited by Wayne's Striple; 07-23-2013 at 10:44 AM.
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Old 07-23-2013, 04:59 PM   #10 (permalink)
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Quote:
Originally Posted by monkey wrench View Post
hi, I'm looking for info on upgrading the suspension on a '09 street triple. the forks are confusing me the most. can I swap internals from speed triples or daytonas into the legs of a street(non r) with a minimum of modifications? it looked like I could swap the tubes but the internals look easier to come by and I don't have to swap the front brakes.

also, is the rear just a straight swap with an earlier model Daytona 675? if all this info is on the site, I could not find it.

thanks in advance for any help you can offer.


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The cheap way out is to fit a rear shock from a 2007-2009 Honda CBR600rr rear shock and pair it with a set of Flux Mk. 2 suspension plates.

This set up alone will give you superb handling over the stock triple, and only cost peanuts on eBay.

Secondly, for the front end, stiffer springs with lighter weight oil will stop a lot of the "mushy" front end dive of the stock fork.


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