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View Full Version : How do you remove the "spider" from a Cook Brothers crank?


!Jones
12-31-1969, 08:00 PM
I have removed the little torx screw that held the spider to the crank
arm. I thought it would slip off now; however, it still feels pretty
solid.

I was tempted to apply BFH, but I thought I'd ask first. Any other
suggestions?

Jones

!Jones
01-03-1970, 07:50 PM
On Thu, 15 Nov 2007 18:30:58 GMT, in rec.bicycles.tech !Jones
<piss@off.com> wrote:

>I have removed the little torx screw that held the spider to the crank
>arm. I thought it would slip off now; however, it still feels pretty
>solid.
>
>I was tempted to apply BFH, but I thought I'd ask first. Any other
>suggestions?
>
>Jones

A little more info: I think the cranks are called "RSR" cranks.
They're *NOT* F-series and they're not "dog bonz". They look like
this:
http://cgi.ebay.com/Cook-Bros-Racing-RSR-Crankset-Vintage-NEW_W0QQitemZ220170436974QQihZ012QQcategoryZ56193Q QssPageNameZWDVWQQrdZ1QQcmdZViewItem

That's a URL that'll go out of scope fairly quickly.

It looks like I press it off, but I want to make sure before I bring
the 10-ton hydraulic ram down upon it.

Jones

James Thomson
01-03-1970, 07:50 PM
"!Jones" <piss@off.com> a écrit:

> I was tempted to apply BFH, but I thought I'd ask first. Any other
> suggestions?

I don't know, but Cook Bros are still in business. Maybe a call to them
would help:

http://www.cookbros.com/

This Bikepro page has some details on the CBR and RSR cranks that might help
you identify which you have:

http://www.bikepro.com/products/cranks/cooks.html

Likewise, there's a catalogue scan on the Retrobike.co.uk site:

http://www.retrobike.co.uk/forum/gallery2.php?g2_itemId=10188

HTH

James Thomson

JeffWills
01-03-1970, 07:51 PM
On Nov 15, 1:12 pm, !Jones <p...@off.com> wrote:
> A little more info: I think the cranks are called "RSR" cranks.
> They're *NOT* F-series and they're not "dog bonz". They look like
> this:http://cgi.ebay.com/Cook-Bros-Racing-RSR-Crankset-Vintage-NEW_W0QQite...
>
> That's a URL that'll go out of scope fairly quickly.
>
> It looks like I press it off, but I want to make sure before I bring
> the 10-ton hydraulic ram down upon it.

Umm... why? If you're never going to put a spider on the cranks again,
then go for it. IIRC, these types of cranks had a reputation for
squeaking at the spider/crank joint- if you get it apart, will it ever
get together again?

OT question- are you related to ? of "? and the Mysterians" ???

Jeff

!Jones
01-03-1970, 07:52 PM
On Thu, 15 Nov 2007 20:35:40 -0800 (PST), in rec.bicycles.tech
JeffWills <jwills@pacifier.com> wrote:

>Umm... why? If you're never going to put a spider on the cranks again,
>then go for it. IIRC, these types of cranks had a reputation for
>squeaking at the spider/crank joint- if you get it apart, will it ever
>get together again?

I want to mount a double chain ring to act as a tandem timing gear,
that's all. I can't get the longer mounting bolt through one of the
holes because the crank arm is too close. I thought the spider would
pop right off... apparently not! But, if you're not *supposed* to
take them apart, then there's a different approach, so your reply is,
indeed, helpful. All I gotta do is figure out how to do it without
removing the spider.

>OT question- are you related to ? of "? and the Mysterians" ???

I'm Smith. In the '70s, there was a popular TV series called "Alias
Smith and Jones", so I was called "Jones" in Vietnam... but I'm "not
Jones".

Jones

James Thomson
01-03-1970, 07:53 PM
"!Jones" <piss@off.com> a écrit:

> I want to mount a double chain ring to act as a tandem timing
> gear, that's all. I can't get the longer mounting bolt through
> one of the holes because the crank arm is too close.

> All I gotta do is figure out how to do it without removing the
> spider.

Track or singlespeed chainring *nut* through from the crank side and long
bolt through from the back?

James Thomson

!Jones
01-03-1970, 07:53 PM
On Fri, 16 Nov 2007 14:42:18 +0100, in rec.bicycles.tech "James
Thomson" <yosnappyj@hotmail.com> wrote:

>"!Jones" <piss@off.com> a écrit:
>
>> I was tempted to apply BFH, but I thought I'd ask first. Any other
>> suggestions?
>
>I don't know, but Cook Bros are still in business. Maybe a call to them
>would help:
>
>http://www.cookbros.com/
>
>This Bikepro page has some details on the CBR and RSR cranks that might help
>you identify which you have:

They're only marginally in business. They're not filling any orders,
so I doubt they're offering any customer service. Their site says
they're selling bikes; however, I have friends who have tried to get
one. CBR just never answers.

Jones

!Jones
01-03-1970, 07:53 PM
On Fri, 16 Nov 2007 14:46:02 +0100, in rec.bicycles.tech "James
Thomson" <yosnappyj@hotmail.com> wrote:

>"!Jones" <piss@off.com> a écrit:
>
>> I want to mount a double chain ring to act as a tandem timing
>> gear, that's all. I can't get the longer mounting bolt through
>> one of the holes because the crank arm is too close.
>
>> All I gotta do is figure out how to do it without removing the
>> spider.
>
>Track or singlespeed chainring *nut* through from the crank side and long
>bolt through from the back?
>
>James Thomson

Yeah, I held my mouth just right and that worked. I always thought
the spiders were easily removed... guess not.

Jones

JeffWills
01-03-1970, 07:54 PM
On Nov 16, 12:31 pm, !Jones <p...@off.com> wrote:
>
> >Track or singlespeed chainring *nut* through from the crank side and long
> >bolt through from the back?
>
> >James Thomson
>
> Yeah, I held my mouth just right and that worked. I always thought
> the spiders were easily removed... guess not.
>
> Jones

IIRC, that's how it's *supposed* to work. I've worked on plenty of
"hidden bolt" cranks- that last bolt only works if it's got a track
nut on the crank side of the chainring.

Holy carp- I remember watching "Alias Smith and Jones". Does that make
me an old fogey?

Jeff