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Old 01-13-02, 12:16 PM   #1
Richard D
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Fitting new stem and bars

Okay, whether I needed them or not I treated myself to a new stem and bars in the sales. Any useful tips for fitting them?

I've got some copperease which I was planning on smearing round the stearer and under the bit of the bars where it meets the stem.

I'm assuming that once I've undone the allen bolt of the top of the aheadset and undone the bolts on the stem it should come appart reasonably easily...

Am I right in thinking when doing the bolts up I should tighten as hard as possible by hand (I've no torque tools, just a standard allen key)?

Any tips greatfully recieved

Richard
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Old 01-13-02, 02:35 PM   #2
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Quote:
Originally posted by Richard D
Am I right in thinking when doing the bolts up I should tighten as hard as possible by hand (I've no torque tools, just a standard allen key)?
Tighten as much as it takes so when you try to twist the handlebars, they do not slip (for me, this is as tight as I can; but for stronger people, they might strip the bolts). The easiest way to do this is put the front wheel inbetween your legs while facing the bike, then twist.
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Old 01-13-02, 06:14 PM   #3
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Take care not to scratch the bars when you fit them.
Check that the clamp does not score the bars. A score line around the Aluminium bars says Please Tear Here.

Road style bars have an Al shim between the bars and clamp, so any scoring line is harmless, but most MTB bars lack this safety feature.
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Old 01-14-02, 04:07 AM   #4
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Thanks.

I'm hoping I can get the brakes and shifters off the old bar without disconnecting the cables for ease of reassembly.

Richard
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Old 01-15-02, 11:02 AM   #5
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Richard, remember if you have an A-headset, you have to adjust it with the cap and bolt on top.

This is how i replace my stem;

1: Remove the old stem and bar, both allen keys on the stem and topcap have to be undone

2: Fit the new bar and stem together, try to fit the controls later (if possible)
Tighten the bolt for the bar well but with care, especially when the parts are alu, build up tension slow.

3: Fit the stem to the stearer, first you tighten the top cap and check the headset; the barings have to be without space but not to tight
Your front wheel has to turn with less resistance, if you`re not sure about the adjustment, ask someone to feel the steering!

4: Tighten the two bolts on the stem just like the bar bolt.

5: finished!

Two notes; i find it easier to do this with the bike on the ground, because some forks may fall out of the frame tube if the topcap is released, this is nice if you have to clean the barings, but not with stem replacement

Don`t use to much coppergrease, because it will effect the bar/ stem link.

Take the time and patience, Rome wasn`t build in a day either :thumbup:
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Old 01-15-02, 11:04 AM   #6
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Sorry !

3.5: Align the stem with your front wheel.
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Old 01-21-02, 05:14 AM   #7
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Thanks for the advice - I now have a sparkly (well black...) new stem and bars. Installation seemed relatively straightforward, which is more than I can say about setting up the new front mech....

Richard
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