Technical & Reference Section > Tech and Restoration

Chuffin' brake!

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TwoBobRob:
Gyros and bare alloy or coloured rims can be crap.....  Take all of the advice here, but I would also check the following;

1.  Look at your top gyro cable.  Where two cables become one, there is an adjuster. You also have an adjuster on your lever. Now, if you adjust these all the way out you can actually 'top out' that cable. That is to say the lead block inside hits the top of its housing and will move no more. So no matter how hard you pull the lever, nowt is happening at the other end. You're simply stretching the top cable of your upper gyro cable.  So wind those adjusters all the way in for now, if they're out.

2.  Make sure your gyro floating part  (the bit that spins) is slammed all the way down onto the tabs when you're not pulling the brake. If it isn't, sort the cable out to make it so.

3.  Only ever make your final adjustments with the single cable adjuster that is nearest to the actual brake.

4.  Now you can go back to the lever and remove any free play you might have with the adjuster there.  Free play only though.



I think we could all bang on for hours about gyros and brakes, we all have our ideas I think. But everything here should help  :)

Voodoocars:
All of the cable movement is ok with no cable joints toppping out.The lower part of the cable(s) to the caliper I had replaced with cheapo cables.There are actually two cables that run from the bottom of the gyro to the caliper as you may know if you are familiar with a mongoose pro.I'm going to experiment with lined outer cables and teflon coated inner gear cables as recomended by a friend who owns a bike shop.I'm swapping levers as well so we will see what happens.Bit of a 'project' really.He also recomended some pads that were transparent and really soft-but I'll wait and see first.Interesting.

TwoBobRob:
Yeah,  I've heard of a few riders running inner gear cable for their brakes. Works well apparently.  Soft brake blocks is a good call.  One thing to remember though - as a grown man these days your hands should be strong enough to overwhelm most any cable issues. If nothing is topping out, your rims are clean and the blocks are decent then you should be able to lock that wheel.

I've only ever ran chrome rims so I can't tell you, but someone on here should be able to reccommend a good block for alloy or coated rims (if thats what you have).

I'm assuming all the cables are oiled?  Finally  (and most obviously), if you aren't hankering after owning a gyro then chuck it and run a conventional cable, something like a Linear. That should end all of your problems   :)   Sometimes things are just more hassle than they're worth...

bof:
make sure its not a v brake lever, it wont work on a U brake.

Voodoocars:
Thats odd- it was off a v brake (bought new levers now).Whats the difference between them? Ian

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