Evoluzione Adjustable Torque Arm - K-Bikes.com - Excellence in Motion
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post #1 of 32 (permalink) Old Jun 18th, 2006, 7:28 pm Thread Starter
 
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Evoluzione Adjustable Torque Arm

I just got one from Ken as an early anniversary present from the lovely wife.

(She's bought me at least 3 things now from Evoluzione..) Mental note - she's wife #3, but I'm thinking this one's a keeper...

It came with 5 shims - I'm an aggressive rider - how many do I need?


Do I need to put the bike on the stand or anything to get the old torque
arm off?


Thanks in advance guys...
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post #2 of 32 (permalink) Old Jun 18th, 2006, 9:03 pm
 
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Try all five and work it "down" from there. My bet is that you end up keeping at least four if you're aggressive.

The rear wheel needs to be weightless in order to remove your OEM torque arm, so yes a stand is required. I'm quite sure if you visit Ken's website there will be full instructions on the re and re in PDF format.

Your wife rocks. Happy Fathers Day.
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post #3 of 32 (permalink) Old Jun 19th, 2006, 6:07 am Thread Starter
 
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Thanks...why the odd number of shims? Should one end have more than the other and if so, which end?

I also noticed that the two allen bolts that secure the arm to the frame are different lengths - the stock bolts are the same length?

I plan to install it today and take it out for a test ride afterwards...

I'll post the results.

Last edited by sportrider; Jun 19th, 2006 at 10:09 am.
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post #4 of 32 (permalink) Old Jun 20th, 2006, 6:17 am Thread Starter
 
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After speaking with Ken, I went with all 5 shims...

Holy shit Batman - who would have thought 15 mm makes a difference?

My bike has been transfomed - this thing goes around curves like it's on rails now.

Huge difference!

I'm in love with this bike all over again.

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post #5 of 32 (permalink) Old Jun 22nd, 2006, 12:59 pm
 
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How much does the ride height increase by with your use of all 5 shims?
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post #6 of 32 (permalink) Old Jun 22nd, 2006, 6:30 pm Thread Starter
 
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Each shim is 3 mm , so 15 mm total and wow...what a difference in handling.

If you live to ride the twisties like I do, then it's a no brainer - thank me afterwards!
I wanted it cause I thought it looked good, but it actually works and works well.
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post #7 of 32 (permalink) Old Jun 23rd, 2006, 12:01 am
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actually, rear ride increases roughly 1/2 of shim thickness (15mm in shims gives ~8mm in ride height).

regards,

ken zeller
evoluzione cyclesports
www.evoluzione.net
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post #8 of 32 (permalink) Old Jun 23rd, 2006, 8:45 am
 
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Thanks guys.
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post #9 of 32 (permalink) Old Jun 23rd, 2006, 5:06 pm
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Quote:
Originally Posted by evoluzione
actually, rear ride increases roughly 1/2 of shim thickness (15mm in shims gives ~8mm in ride height).

2 things,

does this mean that parts will not drag as readily, & does it help the k12r as well?...if so i am going to get this set up!
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post #10 of 32 (permalink) Old Jun 23rd, 2006, 6:55 pm
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If there's 8mm lift at the back end there will be less than that at the pegs. Hard to see how maybe 5mm - 6mm at the pegs would make a big difference to the lean angle limits - maybe a degree or two at the most. Lifting the entire rear of the bike with this mod shifts the weight bias a little further forward, probably changes the CoG braking moment a touch and more importantly it alters the castor effect ? on the front wheel to a more "sensitive" angle of response. All intended to achieve "quicker" steering as a prime objective. Any improved clearance issues would most likely be minimal if not inconsequential.
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