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General Category => General Discussion => Topic started by: rbond on January 28, 2016, 12:57:53 PM

Title: V7C shock springs
Post by: rbond on January 28, 2016, 12:57:53 PM

Just got a pair of Ikons. Need to swap springs, problem is I need something to compress springs about 1/2 to 1 inch to remove keeper. Any home tools to do the job? I can't see buying even a $25 tool I will use only once in my life. Tried all the auto parts tool loaner programs, no tool small enough for cycle springs. I only need something for like 10 minutes, then I am done. Help please!

Title: Re: V7C shock springs
Post by: kingoffleece on January 28, 2016, 01:17:28 PM

I've only used the correct tool.  I wouldn't want to do that with a "jury rigged" set up.  Lots of energy in the spring.
Is there a shop that will assist for a few bucks?

Title: Re: V7C shock springs
Post by: bigtex on January 28, 2016, 01:35:54 PM

I have seen it done with bunches of zip ties.  You can google it.

But I would spend $16 at Harbor Freight.

http://www.harborfreight.com/macpherson-strut-spring-compressor-set-61654.html (http://www.harborfreight.com/macpherson-strut-spring-compressor-set-61654.html)

Title: Re: V7C shock springs
Post by: pikipiki on January 28, 2016, 02:19:09 PM

I would not use zip ties alone.

you can do it with strong nylon rope but its a bit of a fiddle, best with two people.
make like a winch or round a few times or tension with a screwdriver through by twisting. two sets ropes lock one tension one. lock that one tension the other. repeat and repeat.

Title: Re: V7C shock springs
Post by: Kev m on January 28, 2016, 02:30:02 PM

I've done it with a shop press.

I've seen home-made tools fabricated from a couple of 4x4 pieces (or metal plates) and some long threaded rod.

I betcha you could do it with a floor jack or bottle jack and some ingenuity. Bolt the other end to something (the bike, a workbench, etc.) and fabricate something for the jack to jeep the other end in place while you're working.

Title: Re: V7C shock springs
Post by: John A on January 28, 2016, 03:36:05 PM

Just be aware that it is a quick way to loose a couple teeth if the spring gets away while under compression. I modified a large old drill press that works well.