Folding Bikes - My latest 'mod'

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kamtsa
02-27-10, 07:57 AM
Here is a simple mod that made my life easier. With this thumb screw, I can center the SD 5 VBrakes with no tools.

(for some reason I need center the brakes very often, possibly because I split the TSR27 and remove the front wheel after every ride.).

139227

Edit: I also plan to give Avid SD Ultimate a try to see if they preserve the centering position better.

jur
02-27-10, 06:39 PM
That is a great idea! I must go and hunt for some of these.
kamtsa
02-27-10, 09:02 PM
That is a great idea! I must go and hunt for some of these.

BTW, I put it only on one side. I have that 'policy' of adjusting the V Brakes only from the left side. This way I avoid tightening or loosing both sides over time.

Foldable Two
02-27-10, 11:55 PM
Why the blue Loctite if you adjust it periodically?
SesameCrunch
02-28-10, 06:59 AM
Nice idea, Kam. Thanks for sharing it.
werewolf
02-28-10, 08:23 AM
Where did you find the correct size thumb screw? I've never been happy with the centering mechanism on any brakes I've ever had - side pulls, center pulls, v-brakes, all of them.
kamtsa
02-28-10, 08:44 AM
Where did you find the correct size thumb screw? I've never been happy with the centering mechanism on any brakes I've ever had - side pulls, center pulls, v-brakes, all of them.

It is a McMaster part number 92545A111 (3mm x 0.5mm thread, 8mm length, stainless steel and it fits my Avid SD 5 V brakes).

http://www.mcmaster.com/#92545a111/=60jkn5


Why the blue Loctite if you adjust it periodically?

The original screw had a blue thread locker on it, presumably to increase the friction. I had blue Loctite so I put it on but I don't think it is as good as the original (which sticks better to the metal despite making many adjustments).

Kam

Edit: apparently there are special threadlockers that allow adjustments. Here is an example http://www.vibra-tite.com/files/VC-3-tds.pdf

Edit: here is another source http://www.nylok.com/index.php?option=com_content&view=article&id=25&Itemid=26
Foldable Two
02-28-10, 06:06 PM
Edit: apparently there are special threadlockers that allow adjustments. Here is an example http://www.vibra-tite.com/files/VC-3-tds.pdf

Interesting. First time I have heard of this type of product.

Thanks,

Lou