how to keep pedals tight on the cranks?

Hey,

The left pedal on my Sem XLW is constantly coming loose. I tighten it and after a few drops or dumps, it starts to squeak. The cranks are tight. The right pedal is starting to loosen also.

I have Bicycle Euro cranks with black plastic odyssey pedals.

What can I do to get the pedals to stay tight? I am afraid to put Locktite on the pedal threads for fear that I won’t be able to get the pedal off when I upgrade the pedals.

keep it up.

your cranks are on the wrong sides,or your wheel is is backwards ,or your seat is facing the wrong way…if none of thee above,then it can only be…SABOTAGE

Lewis is having the same trouble. His riding is getting much better (over 30’ consistantly) but his dismounts favor his own welfare and not the Uni. Last one I saw, the uni did several flips. 'Twas cool. Anyway, the pedals are coming loose, and I was considering LockTight. Think it will help?

Christopher

I was also going to say that the cranks may be on the wrong side of the
muni. I have had my XLW for a month and I’ve had no problems with
it. I’ve been dropping off curbs and stuff and yesterday, I started
hopping up curbs. I commute four miles a day on my XLW, and I do a
lot of urban assault on the way. Cheers…Joe in snowy North Iowa

-----Original Message----- From: rsu-admin@unicycling.org
["]mailto:rsu-admin@unicycling.org] On Behalf Of jagur Sent: Friday,
December 28, 2001 3:25 AM To: rsu@unicycling.org Subject: Re: how to keep
pedals tight on the cranks?

your cranks are on the wrong sides,or your wheel is is backwards ,or your
seat is facing the wrong way…if none of thee above,then it
can only be…SABOTAGE

okay,

I checked the pedal and cranks again. Btw, the unicycle came from unicycle.com with the cranks mounted. The left crank has the reverse threading. The right crank has standard threading(clockwise to tighten). The gazz has a direction arrow pointing forward and the seat also points forward.

Is the above correct, or do I need to reverse the cranks? If it is correct, then it must be… SABOTAGE. But from who?:wink:

It takes time to work the maze.

i dont get it,that all checks out.unless your riding backwards alot there is no reason your cranks sould loose…

you should get new pedals, metal ones, they will be mo bettah fo muni. youseewatimsayin?
on the screw in part of the pedal, the part that oes into the crank, it wll have an L or a R on it, match it with the cranks. try using magic, that usaly works, if not, consult a wizard.

dan

Everything sounds like it’s right to me, so it must indeed be sabotage.
My Sem XLW 24 inch came with the Gazz mounted in the wrong direction, but
I never changed it because I figure it dosen’t matter much. I’ve been
having fun blasting through the snow with it. I love cruising down
ditches full of powdery snow. It feels like I’m floating through it.
Cheers…Joe in Iowa

-----Original Message-----

I checked the pedal and cranks again. Btw, the unicycle came from
unicycle.com with the cranks mounted. The left crank has the reverse
threading. The right crank has standard threading(clockwise to
tighten). The gazz has a direction arrow pointing forward and the seat
also points forward.

Is the above correct, or do I need to reverse the cranks? If it is
correct, then it must be… SABOTAGE. But from who?:wink:

The manufacturing tolerances on low end parts are not very precise. The
threads on your pedal or crank may be far enough out of spec that they
will not stay tight. I had a plastic pedal that would not stay tight on a
crank. The threads on that pedal were a little undersized. Swapping with a
new pedal fixed the problem.

Try swapping pedals on that uni with a set of pedals that you know are
good. If those pedals stay tight then you have identified the problem. If
those pedals come loose then I would suspect the threads on the crank are
worn or out of spec.

You should also use grease on the threads of the pedal. Grease is a good
thing for pedal threads. As long as the threads on the pedal and crank
are in spec, the grease will not make it more likely for the pedal to
come loose.

You could try using Loctite. A good pedal wrench will be strong enough to
break the bond when you want to change the pedal. Loctite is not that
strong. But Loctite really shouldn’t be necessary to keep a pedal on.

john_childs

>From: teachndad <forum.member@unicyclist.com>
>
>Hey,
>
>The left pedal on my Sem XLW is constantly coming loose. I tighten it and
>after a few drops or dumps, it starts to squeak. The cranks are tight.
>The right pedal is starting to loosen also.
>
>I have Bicycle Euro cranks with black plastic odyssey pedals.
>
>What can I do to get the pedals to stay tight? I am afraid to put
>Locktite on the pedal threads for fear that I won’t be able to get the
>pedal off when I upgrade the pedals.
>
>
>keep it up.


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If you resort to Loctite, there are 3 general purpose threadlockers.

http://www.loctiteproducts.com/Loctite_Products/subcategory.asp?CatID=10&SubID=48

Be sure that both parts are clean (alcohol) before application of
the Loctite. If either thread is plated or stainless you may need
their primer.

Doug Massey

On Sat, 29 Dec 2001 18:51:59 -0800, John Childs
<john_childs@hotmail.com> wrote:

<snipped lots I agree with>

> You could try using Loctite. A good pedal wrench will be strong enough
> to break the bond when you want to change the pedal. Loctite is not
> that strong.

Depending on grade - there are various grades, and the strongest grade is
really rather strong indeed. If you put the permanent bond type on, and
both male and female threads were clean when you did so, I’d be surprised
if you get the pedal off ever again.

> But Loctite really shouldn’t be necessary to keep a pedal on.

Agreed.

regards, Ian SMith

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