Triumphrat

ivar

I'm going to have Ikon progressive fork springs installed on my 02 Bonnie next week.
I've seen several post stating that the stock spacers needs to be cut down, but haven't been able to see if there's any consesus as for the lenght. Didn't get any info from Newbonneville either.
Did a search , and did find one post suggesting 12mm.

Any other suggestions? (BTW, I weigh #230)

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02 Bonneville - Originally green/silver , now going black. Dual headlights/black fly screen. Emgo Shortys, rubber bellmouth, Uni, AI, 120/42, thrux needles, no shims. Thruxton seat and low bars. Ikon 7614 shocks, renntec rack. A Bonnie Cafetourer..

meatwagon

I installed them with no spacer and rode for about 10000 miles ,no problem.I recently had a fork seal go bad (pitted tube) and when my mechanic removed the fork he freaked because there was no spacer.When I showed him the difference in lenght(and heft) between the stock bedspring and the Ikon he still said there should be a small spacer....approx . 1 ". This will give a tiny amount of preload.
I felt no difference what so ever on the road.

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BIR #132
TonUp Club San Diego

CYNCRZR

When you pull the stock springs out lay them and the spacer next to the IKONS. Measure the difference, and then cut the spacers down using a "Tubing" cutter about $20.00 from the local hardware store.

Don't worry about cutting the stock spacers, IF you ever want to go back, they're reasonably priced and can be ordered from BikeBandit or your dealer.

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Cheers y'all, Cyn-
Experience is a cruel instructor...
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raproe

I didn't use any spacer since none was needed. Just follow the installation instructions:

Rich

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"....by its very nature, a single-tracker is in unstable equilibrium, i.e., it cannot, when stationary, stand up by itself."

Mancha

I did as CYNCRZR suggested, but instead of cutting down the stock metal spacer, as per advice I found here, I used a piece of white PVC tubing from a sprinkler system. It was the perfect fit, cut easily with my Dremel, and didn't require me to chop the stock spacers (um, just in case I want to go back to the stock springs...?!). You'll find it al Lowe's or any of those big hardware stores (er, or the equivalent in Norway).

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Ogle my bike here.

cw

Hehe, just a note. Despite the fact that the showa spacer used in our forks should be common, it still took a few weeks to receive one from Bike Bandit.

Sheepdog

Like others above, my Ikon springs protruded out the top of the fork tubes. I used no spacer and find that the forks suit me just fine.

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2003 Bonneville T100 and 2007 Moto Guzzi California Vintage

jcline8

Here is a question...I put in progressive springs and cut the spacers to match the same length as the stock spring/spacer combination.

I am a pretty heavy guy. Will it help if I actually increase the preload by using longer spacers?

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2005 Bonnie Black

Kurtis

I matched the free lengths. Measure the free length of the new spring compared to the old spring and spacer, whatever the difference is, chop it off the spacer.

I used one spacer to make two new ones and had loads spare. The matching of free lengths means that my preload adjusters should have the same range of function, allowing for the reduction in sag.

I used more basic tools to do it, hacksaw and files. Took a while but once deburred they were square and tidy.

The springs and Ikon shocks have much less sag than standard, which will raise the ride height. The major benefits I've seen are increased turn in speed due to the raised C of G, (at the expense of some stability) and increased ground clearance.

DickBender

You shouldn't need to add a spacer for the Ikon springs. In fact, adding any spacer/preload to any dual rate spring is counter productive. It changes the spring characteristics as well as altering ride height.
You may as well buy straight rate springs if you are going to preload dula rate springs

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-Darcy-
BIR #174


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