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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 06-30-05, 03:06 PM   #1
Sead0nkey
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Alright I'd like to replace the shifters on my Trek 7200. The area where my hands contact the handlebar is split in two. The inner half is the shifter, the outer half is just a foam cover over the metal bar. That outer foam moves around and tends to slide off the handle bars in the middle of my ride. I would like to replace the "cheap" shifters with "trigger" type shifters. I have zero idea what I need or what I should be looking for. I would like to keep it under 50 bucks for parts. I'm also taking suggestions as to what would be a good replacement for the troublesome foam outer ends. What level of difficulty is involved with this type of job?

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Old 06-30-05, 04:18 PM   #2
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Looking at e-bay would something like this work or am I way off link
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Old 06-30-05, 04:28 PM   #3
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Sounds like you have grip shifters that are coming apart or something.

I picked up a set of new Deore trigger shifters off ebay the other day for about $30. I've never tried grip shifters but I really like the triggers and don't see any reason to change.

You should be able to just swap out the shifters assuming your cables/housings are in good nik.

Cheers
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Old 06-30-05, 04:32 PM   #4
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Originally Posted by Sead0nkey
Looking at e-bay would something like this work or am I way off link
Those look like road parts and the category confirms.

I was thinking something more like this . Although those are pretty fancy, being XT and all.

*edit* After looking at you bike again I realized it's classed as a hybrid, whatever that is. It looked like a mountain bike at first glance.

Last edited by Eros; 06-30-05 at 04:39 PM.
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Old 06-30-05, 04:43 PM   #5
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Thanks for the help so far. I'm trying to get more involved with my bikes inner workings. This should test my ability.
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Old 06-30-05, 05:53 PM   #6
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You should be able to just swap out the shifters assuming your cables/housings are in good nik.
Unfortunately it's seldom that simple.

The first thing to do is to examine where your shifters and brake levers clamp onto your handlebar. Frequently they share a clamp. That means that a shifter replacement will also require brake lever replacements. Trigger shifters require a longer hand grip so you'll have to buy new grips too.

The good news is that, if you buy brand new shifters and/or brake levers in the box, they will include new cables and housings too.

Now this may be the best news yet. Stick a screw driver under your bike's handgrips and shoot a little hair spray under there. The cheaper the hair spray the better. Aqua Net is perfect. Don't touch the grips for 12 hours and then go for a ride. Chances are that will fix your throttle grip problem.
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Old 06-30-05, 10:27 PM   #7
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Check with your bike shop, they may have some old take offs cheap. When we bought my sons trek 7100 he didn't like the twist shifters, the LBS swapped them with triggers for $10 labor.
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Old 07-01-05, 08:17 AM   #8
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Looking at e-bay would something like this work or am I way off link
No, those are for drop handlebars and an 8-speed cassette.

Remember that if you change shifters they need to be compatible with the cassette, 9-speed to 9-speed, etc.
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Old 07-01-05, 02:29 PM   #9
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Thanks everyone. I'm still looking.
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