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Cranks

L

Large Filipino

Guest
Ok so Moop sits right with my seat way low but it seems my legs be going way up when I'm pedaling. It would be awesome if I could shorten down my pedal cranks by about an inch maybe even more. It's a three piece with the European(?) axle meaning the skinny style one piece no way would work. I'm thinking the shorter throw would lessen my leg stretch and I could pedal more SMOOTHLY while still sitting down.
So I'm a junk bike kind of guy. Do those 24 inch mountain bikes come with shorter cranks? Do I need to go smaller on the bike size?
Does anyone know of a bike out there with a three piece crank that's short?
Do I need to look at kids bikes?
It would be really cool if I can get short cranks. I may even check out the thrift store with a ruler.
Please chime in if you know of an answer.
 


A

Alaskavan

Guest
I'd look at BMX bikes. The cranks should be relatively short, and there's a good chance that the quality is good.
 
L

Large Filipino

Guest
Yea but the sprockets won't work with the chain.And some of those cranks are pretty long.
There has to be an answer.
 

bluegoatwoods

Well-Known Member
Joined
Mar 23, 2008
Messages
3,021
Yes, there are 24" bikes with 3-piece cranks. I can remember one daught having one in the last few years. So keep your eyes open and I'm sure you'll find one soon enough.
 
E

eltatertoto

Guest
i had a 16 inch with a 3 piece at 1 point. wish i still did, cause i need a small one right now...
 
H

HoughMade

Guest
On three piece cranks, most seem to be in the 170mm to 175mm range. For 1 inch shorter than a 175mm, you would want about 150mm. If your cranks are longer than 170mm or 175mm, than an inch shorter would be easier to find.

Here is a site with several cranks available- I don't know if they are compatible, but I saw options down to 125mm (LDC Little Dude Mini Armset).

http://americancycle.com/itemlist.cfm?category=280

I understand your desire- to get the lines right on my bike, I lowered the seat and recently replaced the crank with one from a 16 inch kids bike, but mine is a one piece. Interestingly, the casting and finishing on the kid's crank is a good as the original.
 
L

Large Filipino

Guest
So the crank DOES make a good difference,huh.
I remember back in the day the longer the crank the better. But with engine it's not always to be.
I bet with shorter cranks I can help my engine up hills better. When the hills get too steep I get tired of the over stretch of my legs when pedaling.
Ghost0,thanks for the link but my Diamondback's frame crank hole is too narrow for a one piece.

I just may go fishing for another mountain bike frame with a one piece.
One piece cranks are everywhere in every size,and sprockets are interchangeable.
Maybe I could get a frame too where I can actually adjust my rear wheel.
This frame on Moop has a fixed rear for a quick release rim.
 
Last edited by a moderator:
H

HoughMade

Guest
When I changed my crank, I installed a smaller sprocket too. It rides like a 3 speed or 10 speed in first gear, but I only use the pedals to start from a standing stop.
 
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