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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  brake issue is driving me mad!!!
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Author Topic: brake issue is driving me mad!!!  (Read 1600 times)

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telelogic

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brake issue is driving me mad!!!
« on: January 27, 2009, 12:01 PM »
Ok, This is how it is,

I want to buy a retro quad. (I know some/most of you hate these but bare with me) I need to be able to have my coaster brake as an option and no new school frames allow me to use a big enough sprocket to go with the 16t on my coaster tuffs.

the quad retro will allow me to use the bigger chain wheel BUT, it has mounts for a V brake at the rear which stops me (I have a lot of conflicting information on this) using a gyro!

does anyone know if there is a place on the rear dropouts that I could have the mounts moved to which would allow me to use a U brake?

If so, who would I get to perform this mod?

I know that a lot of you are convinced that I won't need a coaster once the rear brake issue is sorted, but I want the option.

I have the whole build mapped out and would love to be able to put it all together before the summer comes.

as always, I greatly appreciate any help/advice that anyone can give me :)


« Last Edit: January 27, 2009, 12:04 PM by telelogic »

Offline pickle

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Re: brake issue is driving me mad!!!
« Reply #1 on: January 27, 2009, 12:08 PM »
just one question........why do you want a Giro on a race bike?

HEYWOOD BMX

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Re: brake issue is driving me mad!!!
« Reply #2 on: January 27, 2009, 12:25 PM »
 :) All newer race frames will let you use up to a 44/16 gearing with no problem.You can use a v-brake with a gyro,though this is mainly seen on "toy"BMXs! An Odyssey A-Brake can be set up as a center pull brake and will also fit on v-brake mounts too...

telelogic

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Re: brake issue is driving me mad!!!
« Reply #3 on: January 27, 2009, 12:39 PM »
just one question........why do you want a Giro on a race bike?

I want to use it for old school freestyle stuff!

Offline Bigfrawg

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Re: brake issue is driving me mad!!!
« Reply #4 on: January 27, 2009, 12:41 PM »

you could mount it to the original brake bridge using a u brake addapter

Offline Dex Dexter

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Re: brake issue is driving me mad!!!
« Reply #5 on: January 27, 2009, 12:47 PM »
And I think (having checked on my old one) that it has a bridge you can mount a caliper brake on too.

SaMAlex

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Re: brake issue is driving me mad!!!
« Reply #6 on: January 27, 2009, 12:47 PM »

does anyone know if there is a place on the rear dropouts that I could have the mounts moved to which would allow me to use a U brake?



Canti mounts aint the same as U brake mounts so its cant just move them. You would have to get some (make some) U brake mounts

Offline Bigfrawg

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Re: brake issue is driving me mad!!!
« Reply #7 on: January 27, 2009, 12:52 PM »

on one of my retro quads i am running mx 1000's , obviously mounted to the brake bridge . canti mounts have been removed altogether for thay old school look  :smitten: tis the one our very own mr jackel modified .

Offline pickle

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Re: brake issue is driving me mad!!!
« Reply #8 on: January 27, 2009, 01:03 PM »
Ols school look......and feel i would think?? 

translated to, pull lever and fook all happens  :LolLolLolLol:

Offline BrianP

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Re: brake issue is driving me mad!!!
« Reply #9 on: January 27, 2009, 01:16 PM »
I need to be able to have my coaster brake as an option and no new school frames allow me to use a big enough sprocket to go with the 16t on my coaster tuffs.

What about using a smaller coaster sprocket on the back, which will allow you to use a smaller chainwheel?
You can get coaster sprockets down to 12T, so 33/12 is about the same as 44/16.


Brian  :daumenhoch:

Offline Bigfrawg

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Re: brake issue is driving me mad!!!
« Reply #10 on: January 27, 2009, 01:32 PM »
Ols school look......and feel i would think?? 

translated to, pull lever and fook all happens  :LolLolLolLol:
that is right pickle , form not function  :LolLolLolLol:

telelogic

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Re: brake issue is driving me mad!!!
« Reply #11 on: January 27, 2009, 01:40 PM »
I need to be able to have my coaster brake as an option and no new school frames allow me to use a big enough sprocket to go with the 16t on my coaster tuffs.

What about using a smaller coaster sprocket on the back, which will allow you to use a smaller chainwheel?
You can get coaster sprockets down to 12T, so 33/12 is about the same as 44/16.


Brian  :daumenhoch:

are you saying that I could replace the cog I got with my new coaster tuffs with a 12t one? if so where can I get these?


telelogic

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Re: brake issue is driving me mad!!!
« Reply #13 on: January 27, 2009, 01:57 PM »
Yup.

Offline oberonspacefruit

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Re: brake issue is driving me mad!!!
« Reply #14 on: January 27, 2009, 02:01 PM »
then i doubt youll be able to buy another smaller sprocket, as ive never seen one with the same internal profile as that.

you could have one made up at a machine shop, or make it yourself, if you used a standard 12 tooth as a template, but i think size wise youd struggle to get less than 14 tooth.

make sure the chain will fit round the hub, and not foul on the nylon anywhere.
« Last Edit: January 27, 2009, 02:03 PM by Oberonspacefruit »
I want to touch ORB

Offline BrianP

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Re: brake issue is driving me mad!!!
« Reply #15 on: January 27, 2009, 04:41 PM »
I need to be able to have my coaster brake as an option and no new school frames allow me to use a big enough sprocket to go with the 16t on my coaster tuffs.

What about using a smaller coaster sprocket on the back, which will allow you to use a smaller chainwheel?
You can get coaster sprockets down to 12T, so 33/12 is about the same as 44/16.


Brian  :daumenhoch:

are you saying that I could replace the cog I got with my new coaster tuffs with a 12t one? if so where can I get these?

Yup, if it takes the standard suntour type of sprocket like mr fruit has linked above.
I've a 12T and a 13T here on my sets. (Have been toying with running a set of coaster tuffs on my new FBM for a laugh)

And I got mine at flatland fuel.

Here's the link:

http://www.flatlandfuel.com/index.asp?PageAction=VIEWPROD&ProdID=241

Pat'll sort you out. He's a good egg.

Brian  :daumenhoch:

Offline lazychubs

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Re: brake issue is driving me mad!!!
« Reply #16 on: January 27, 2009, 04:54 PM »
i just modded a odysee one to fit my suntour hub
just filed the ones i didnt need off
and shaped the other 3 to fit the hub
so i have old skool cassette hub with 12 tooth gearing

telelogic

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Re: brake issue is driving me mad!!!
« Reply #17 on: January 27, 2009, 08:34 PM »
stodgy thinks he may have found a new school frame that I can run a 44t sprocket on :D

fingers crossed, I'll let y'all know.

telelogic

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Re: brake issue is driving me mad!!!
« Reply #18 on: January 28, 2009, 11:05 AM »
WICKED!!!!

The legend that is stodgy has found me a frame that ticks all of my crazy boxes!

New school with a coaster!

Lookout 1984, I'm coming back blow your tiny minds! >:D



Offline BrianP

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Re: brake issue is driving me mad!!!
« Reply #19 on: January 28, 2009, 11:13 AM »
 :daumenhoch:

just watch those fakies...

Bp.

jackel

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Re: brake issue is driving me mad!!!
« Reply #20 on: January 28, 2009, 02:42 PM »

on one of my retro quads i am running mx 1000's , obviously mounted to the brake bridge . canti mounts have been removed altogether for thay old school look  :smitten: tis the one our very own mr jackel modified .
got craig at on yer bike to do it and its a quality job you cant see where they used to be :)

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