Rollamajig v brakes

[danson67]

Whatever you do, DON'T use a cog hog or rollamajig like that on the brake.

They' re not built to take the loading from the brake cable, only light loading from gear cables. Just when you need it most the thin aluminium can buckle and the pulley wheel comes out. The decent old aluminium Rollamajig might be able to cope, but a Crud Cog Hog or plastic Rollamajig can fold up.

ONLY use the ones specifically designed for brake use. Danger of death... As they say

All the best,

 

[Tc]

Whatever you do, DON'T use a cog hog or rollamajig like that on the brake.

They' re not built to take the loading from the brake cable, only light loading from gear cables. Just when you need it most the thin aluminium can buckle and the pulley wheel comes out. The decent old aluminium Rollamajig might be able to cope, but a Crud Cog Hog or plastic Rollamajig can fold up.

ONLY use the ones specifically designed for brake use. Danger of death... As they say

All the best,

:shock:

 

[Silvergoat]

Re:

What you need are these:

http://problemsolversbike.com/products/travel_agents/

I'm after a pair too so that I can run my classy old Dia Compe SS7 levers with new Avid 7 Digit V brakes more effectively. At the moment, I can ping the rear brake cable against the top tube in place of a bell.

 

[danson67]

Re:

Sorry...didn't want to alamrm you
It's just the ones designed for gear use that you should avoid on v-brakes.

Have a look for WCW Easy Rollers, Mr. Control, V-Daptors or (my favourites) Problem Solvers Travel Agents.

Some of them are designed for using road/canti levers with v-brakes, but most can be adapted to just act as 1:1 rollers.

All the best,

 

[Tc]

So are the ones pictured not the correct ones?

 

[danson67]

The one in your pic is a gear Crud Cog Hog, which is a bit spindly.

Try Problem Solvers Travel Agent:

Chsertech on eBay:

WCW from Rosebikes:

Mr. Control:

They' re all designed for the job... much tougher.

All the best,

 

[Tc]

Cheers for the info but I think I'll just whip them off & go old school

 

[Silvergoat]

Re:

That's a much better option. One can have too many widgets going on..

 

[dresdladiory]

Re:

Hi

I'm sorry for that resurrection ...but can I use this Mr.Control roller with my rear derailleur ?

Thanks

 

[danson67]

Re:

No, unfortunately the Mr. Control has an offset can a roller (to convert v-brake to canti pull), so it would screw up the cable pull ratio for gearing.
The WCW and Travel agent would work OK, thought as the both have a 1:1 ratio option, so they'd work fine for gearing without screwing up the indexing.

All the best,