Mountain Biking - Upgrading an Old Stumpjumper fork?
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04-30-08, 12:40 PM
My brother has a really old stumpjumper and wants to put shocks on the front fork. I believe it is yellow and magenta if that helps. Right now there is no suspension, but he was given some rock shocks but they didn't fit. I was hoping that someone here could help me find the type of shocks that he will need to get riding again.
04-30-08, 12:51 PM
You need to measure the steer tube diameter to figure that out. You also need to know if you have a threaded headset. You could go to your LBS with your old fork in-hand and they'll show you what will fit and what won't.
If you figure it all out on your own without a local bike shop be sure the steer tube length is cut accurately; too short and you'll be throwing your new fork into the trash can! When I got my new fork I paid a bike shop $12 to cut it to length for me, even though it would have been easy as pie to do it myself; that way if there was a mistake they would have the liability of replacement, not me. And they put the star nut in free, which was a nice touch.
My brother has a really old stumpjumper and wants to put shocks on the front fork. I believe it is yellow and magenta if that helps.
That really isn't enough information to give any useful advice, but if the bike is over ten years old, don't bother with upgrades. To fit a modern suspension fork, you'd need to upgrade other parts of the bike, like the brakes, headset, stem and maybe even the shifters.
04-30-08, 11:42 PM
huge waste of money, dont do it. sell the bike. or ride it as a commuter.
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