Crank Bolts for an old Lambert Road Bike??

On 2008-08-03, sam wrote:

Any of you geezers out there know the specs for the
crank bolts on an old Lambert Pro road bike?? I
have tries Metric and US bolts with no joy. Maybe
a Whitworth??

IIRC they are Whitworth. Try a motorcycle shop -- some of them stock
Whitworth bolts for English motorcycles.y


--

John )
** Posted from http://www.teranews.com **

On 2008-08-04, landotter wrote:

My Viscount's spindle was Campagnolo, was grooved for circlips, and
took standard crank bolts. Came with the bike which I found used. I
replaced the bearings a few times. Easy as can be. Doesn't Phil do a
spindle for these?

I suspect this was a custom job. The stock Lambert/Viscount spindle was
untapered, and the bearing cartridges were press-fitted into an
unthreaded BB shell.

--

John )
** Posted from http://www.teranews.com **

On 2008-08-06, Ted Mittelstaedt wrote:

if your just pulling our leg and really do intend on riding it,
then screw Whitworth, and drill and tap to standard Metric thread and
use whatever standard sized bolt from the hardware store will work.

Have you ever tried drilling and tapping a hardened steel BB spindle?
I'm sure it's easier to just find a proper Whitworth bolt.

--

John )
** Posted from http://www.teranews.com **

On Aug 6, 12:24*pm, cciaffone wrote:
Honest to god, guys! I am just looking for the bolt
size and thread for the BB bolts on an old Lambert Pro
road bicycle. I do not intend to trade it, ride it, use
it for nefarious purposes, or flog it on ebay.

I just need to know what size bolt to look for.

sorry to intrude.

Wrong forum I guess.

Don't be sarcastic, you asked a question without explaining anything
about intention.

Welcome to the kitchen. Could have "spared yourself" if you'd
explained your mission fully.

(Just to explain a little further, bear with me g): if you weren't
going to "do anything with it", why would you need the bolt size? Know
what I mean, jellybean?

Additionally, how about the experts and experienced ones here stop
telling people of known problems, especially ones that have caused
"serious bodily injury, death" (recall lingo IRT the Death Fork on
your bike).

Zat what you want?

Especially for the bike in question, which has _two_ very well-known
problems. Flip a coin for which is worse, "the left hand don't get
you", etc.

I'd suggest the old Mavic-style "threadless" BB (now made by
Stronglight), myself. Find a shop with the chamfering tool and that
would be one problem solved.

You're welcome! --D-y

Ted Mittelstaedt wrote:
"cciaffone" wrote in message
...
Tim McNamara wrote:
Trust/Lambert/Viscount used non-standard parts in their BBs. The
problem is that the BB axle has circlip grooves, which you can see if
you look at where the axle emerges from the bearings- you'll see the
circlips. These are intended to keep the axle from drifting through the
bearings as you pedal. The problem is that these create a significant
stress riser and these BB axles tend to snap. But because of the
non-standard bearings and BB shell, replacing the BB and crank is
difficult. You can see a typical failure here and one possible
solution. If you're going to continue to sue the bike, I think it's
important to replace the original cast aluminum "death fork" and the BB:
Geez, thanks for all the info, but ...

I really just need to replace one crank bolt. The bike is in great
shape, the cranks are pristine, the crank axle is solid. And no,
the bike will never be ridden.

I just want to replace one furshlugginer crank bolt, not the
whole bicycle.

Is this what you got?

http://sacramento.craigslist.org/bik/784291396.html

It is almost certainly whitworth. Any bigger city hardware store that
carriers
a wide selection of fastners will have the bolt. Or if you live in
Sacramento
you can buy that guy's bike.

But see here, you need to make a decision. This isn't a collectable, at
least
not right now. And it may never be. If your planning on holding on to it
to
gamble that it may eventually be a collectable, then your going to have to
get the -exact- bolt that came from the factory for it. Which means that
a bolt from a hardware store isn't going to preserve the value. Your
smartest
decision would be to buy that Sacramento bike, then go through both bikes
and make 1 of them utterly, completely, totally, factory bone stock, before
you put it where your "will never be ridden bike"s are stored. Then take
the other one apart for spare parts and stick it in a box. If the Lambert
ever
does become collectable you can sell the parts individually on Ebay for
a ton of cash after you sell the bike itself so some other nutty old bike
collector.

Otherwise if your just pulling our leg and really do intend on riding it,
then
screw Whitworth, and drill and tap to standard Metric thread and use
whatever
standard sized bolt from the hardware store will work. And buy yourself
some body armor so when the fork does break, you won't kill yourself.

Nice colorful writing, that.
Spindles are hardened and virtually impossible to tap to another thread
format. Even if you could, that would leave the thread out of phase,
i.s., missing threads.
--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971
** Posted from http://www.teranews.com **

wrote:

(Just to explain a little further, bear with me g): if you weren't
going to "do anything with it", why would you need the bolt size?

What I intend is to refasten the crank to the bb spindle.
Why? So it won't fall off.

On Aug 7, 6:21*am, cciaffone wrote:
wrote:
(Just to explain a little further, bear with me g): if you weren't
going to "do anything with it", why would you need the bolt size?

What I intend is to refasten the crank to the bb spindle.
Why? So it won't fall off.

Like I said, don't be sarcastic-- or complain-- when you didn't
specify where you were going with this project.

Not to mention, coming in here hat in hand looking for free
information in the first place like you did.

IOW, a thank-you would be much more appropriate.

Just a suggestion: Try it, just once, see if you don't feel better.

====================

Well, you're right about one thing, anyhow: "They didn't all break".
And that's why you need that bolt size, right? So it can go to the
dump in an orderly fashion? Or are you just trying to make it a
little harder to walk around while it's parked forever in the garage?
--D-y

wrote:


IOW, a thank-you would be much more appropriate.

Just a suggestion: Try it, just once, see if you don't feel better.



OK, you are right and I am sorry for being a bit prickly.

Thanks to all who responded with the correct size and
thread for the Lambert crank bolts.

On Aug 7, 9:48*am, cciaffone wrote:
wrote:

IOW, a thank-you would be much more appropriate.

Just a suggestion: Try it, just once, see if you don't feel better.

OK, you are right and I am sorry for being a bit prickly.

Thanks to all who responded with the correct size and
thread for the Lambert crank bolts.

Thanks, appreciated. --D-y

On Sun, 03 Aug 2008 13:41:26 -0400, sam wrote:

Any of you geezers out there know the specs for the crank bolts on an
old Lambert Pro road bike?? I have tries Metric and US bolts with no
joy. Maybe a Whitworth??

It's Featherthread. I believe it's also known as British Standard Fine
(BSF). Whitworth is British Standard Coarse (BSC).

Good luck finding one. If you have a sample from the other side, there
are many custom screw makers in this country. Try asking for an
industrial sample to save money

I broke the crank bolt off my Lambert 25+ years ago. It's small wonder
considering the square spindle. I believe Viscount also used the same
size crank bolt, even though they went to a standard tapered spindle.

My immediate solution was to get a replacement bolt from a bike rental
shop that had junked a fleet of Viscounts. My permanent solution was to
ream out the bottom bracket and install an Eldi bottom bracket insert.

There's an easier solution today. I think there are a number of sealed
bottom brackets that should fit into the existing bottom bracket that do
not need threads on the bottom bracket.

One note of caution. Lambert went broke before its "tuned" forks broke.
Viscount's forks were subject to a recall. Don't ride the Lambert with
its original fork. The replacement is a look alike but isn't prone to
sudden failure.

Yamaha was the distributor in the US. They may still have an inventory
buried somewhere.

Stephen Bauman