175mm driveside crank arm + 170mm left side crank arm

Broke the 175mm left crank arm on my commuter mtb bike. The only leftie I
have in my bin is a 170mm, and of a different make. Can I get away with
riding like this for while? I don't feel much difference when I pedal.
TIA.

Bellsouth Ijit 2.0 wrote:
Broke the 175mm left crank arm on my commuter mtb bike. The only leftie I
have in my bin is a 170mm, and of a different make. Can I get away with
riding like this for while? I don't feel much difference when I pedal.
TIA.

I'd do it if it were me. Adjust the saddle for the leg on the 170, or
lie down and have somebody measure your legs, if you're lucky the
correct one will be shorter! Wouldn't that be cool?

Disclaimer: may cause hip dislocation, barking dogs and eczema.

"landotter" wrote in message
ups.com...

Bellsouth Ijit 2.0 wrote:
Broke the 175mm left crank arm on my commuter mtb bike. The only leftie
I
have in my bin is a 170mm, and of a different make. Can I get away with
riding like this for while? I don't feel much difference when I pedal.
TIA.

I'd do it if it were me. Adjust the saddle for the leg on the 170, or
lie down and have somebody measure your legs, if you're lucky the
correct one will be shorter! Wouldn't that be cool?

Disclaimer: may cause hip dislocation, barking dogs and eczema.


Heh. Actually, it turned out it's moot point because I have a Truvativ 5D
drive side crank arm, which isn't compatible with a Shimano LH arm I dug out
from the parts bin. The square taper orientation is different. It'll be
really funny try pedaling with cranks that are mounted 90deg of each other.

On my BMX beater, I have a 165mm drive side arm and 170 LH arm. I only go
around the block on that bike.

On Sun, 10 Dec 2006 19:56:26 GMT, "Bellsouth Ijit 2.0"
may have said:

Broke the 175mm left crank arm on my commuter mtb bike. The only leftie I
have in my bin is a 170mm, and of a different make. Can I get away with
riding like this for while? I don't feel much difference when I pedal.

Yes. It looks funny, it unbalances the leg motion and effort, it
makes standing to pedal feel odd, but it doesn't cause any inherent
problems *for the bike*.


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On Sun, 10 Dec 2006 21:34:36 GMT, "Bellsouth Ijit 2.0"
may have said:


"landotter" wrote in message
oups.com...

Bellsouth Ijit 2.0 wrote:
Broke the 175mm left crank arm on my commuter mtb bike. The only leftie
I
have in my bin is a 170mm, and of a different make. Can I get away with
riding like this for while? I don't feel much difference when I pedal.
TIA.

I'd do it if it were me. Adjust the saddle for the leg on the 170, or
lie down and have somebody measure your legs, if you're lucky the
correct one will be shorter! Wouldn't that be cool?

Disclaimer: may cause hip dislocation, barking dogs and eczema.


Heh. Actually, it turned out it's moot point because I have a Truvativ 5D
drive side crank arm, which isn't compatible with a Shimano LH arm I dug out
from the parts bin. The square taper orientation is different. It'll be
really funny try pedaling with cranks that are mounted 90deg of each other.

ITYM 45 degrees; if the holes were off by 90, they wouldn't be off at
all...

--
My email address is antispammed; pull WEEDS if replying via e-mail.
Typoes are not a bug, they're a feature.
Words processed in a facility that contains nuts.

Bellsouth Ijit 2.0 wrote:
On my BMX beater, I have a 165mm drive side arm and 170 LH arm. I only go
around the block on that bike.

Only one way, I guess.

Donga

Bellsouth Ijit 2.0 wrote:
Broke the 175mm left crank arm on my commuter mtb bike. The only leftie I
have in my bin is a 170mm, and of a different make. Can I get away with
riding like this for while? I don't feel much difference when I pedal.
TIA.

I've heard stories of people who rode quite a ways with different
length crankarms and never knew it. As long as they did not know the
crankarms were different length, they could not tell by pedaling. The
human body adapts quite well. Its only when the mind knows their is a
difference does the body feel the difference.

wrote:
I've heard stories of people who rode quite a ways with different
length crankarms and never knew it. As long as they did not know the
crankarms were different length, they could not tell by pedaling. The
human body adapts quite well. Its only when the mind knows their is a
difference does the body feel the difference.

I did it a few years ago with 165 and 170 mm cranks. When I would first
hop on the bike, it felt odd. After a few miles I completely forgot
about it.

I'd dare to bet that if I rode that bike solely for a few months, it
wouldn't feel odd at all. Matched cranks would probably feel odd after I
had adapted to the mismatch.

YMMV.

--
Dave
dvt at psu dot edu

Everyone confesses that exertion which brings out all the powers of body
and mind is the best thing for us; but most people do all they can to
get rid of it, and as a general rule nobody does much more than
circumstances drive them to do. -Harriet Beecher Stowe, abolitionist and
novelist (1811-1896)

I usually can't tell if a brake is rubbing the rim on my bike just
from riding it, but that doesn't mean it's a good idea or doesn't
matter.


--
JT
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John Forrest Tomlinson wrote:
I did it a few years ago with 165 and 170 mm cranks. When I would
first hop on the bike, it felt odd. After a few miles I completely
forgot about it.

I'd dare to bet that if I rode that bike solely for a few months,
it wouldn't feel odd at all. Matched cranks would probably feel odd
after I had adapted to the mismatch.

YMMV.

I usually can't tell if a brake is rubbing the rim on my bike just
from riding it, but that doesn't mean it's a good idea or doesn't
matter.

I don't see that anyone suggested that mismatched cranks were "a good
idea or doesn't matter."

--
Dave
dvt at psu dot edu