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12 speed help(7 posts)

12 speed helpJohnny
Mar 7, 2002 12:18 PM
I commute on a 12 speed Trek 360 road bike, late 80's version, downtube shifters, lugged, made in the USA.
I have the tools to take off a 11-23 9spd cogset, but I don't know how to get my six speed cogset off of my trek. please advise
re: 12 speed helpscottfree
Mar 7, 2002 12:30 PM
You'll need a freewheel tool, specific to the brand of freewheel you're running. There are several. Check the Park Tools website -- they'll show you the tools, and I believe also have instructions for removing/installing the freewheel. It's simple, but on a bike that old it may take some ooomph (or a long cheater bar).
Here's the linkscottfree
Mar 7, 2002 12:33 PM
Scroll down a bit till you come to freewheels.

http://www.parktool.com/repair_help/FAQcogs.shtml
re: Vintage TrekChen2
Mar 7, 2002 3:39 PM
You may also find this site interesting: www.vintage-trek.com

~Al
Always an adventure...Spoke Wrench
Mar 7, 2002 4:11 PM
when you take off an old spin-on freewheel.

First of all, you need the appropriate freewheel tool. On a bike that age, its probably going to be a splined Shimano or a 4-gap Suntour.

Next remove your quick release. Fit the freewheel remover into the splines. NOW REPLACE THE QUICK RELEASE. Tighten the quick release finger tight and loosen it 1/4 turn. If you don't use the quick release, you'll probably just booger your tool and/or the freewheel (especially Suntour).

Now chuck the whole thing in a vise or get out your biggest crescent wrench and break the freewheel loose (counter clockwise). Remove your quick release, loosen the freewheel the rest of the way and you are good to go.

Be sure to grease the threads before you spin your new freewheel on.
and when you spin the new one on, don't worryscottfree
Mar 8, 2002 7:45 AM
about getting it all tightened down to a certain torque. Just pedaling out your driveway will tighten it up plenty.
alternative to the big wrench or breaker bardzrider
Mar 8, 2002 9:00 AM
Setup the freewheel tool as described, clamp the tool in a vice and turn the wheel as if you were driving a bus and turning left.