415 motorcycle chain

Slogger · Jun 29, 2015

Pirate cycles sells KMC 415 Industrial chain. I have one on my single speed china girl bike. It hasn't stretched much at all so far, in about 60 miles of use.
These chains are about 1/8 inch narrower than 415, strong enough to be used up to about 3 hp, and very light for easier pedaling. It fits well right over my sprockets thick teeth, too.
I think they are perfect for our use, on peewee engines anyway. A good compromise between 410 and 415, and no problems with thick sprockets.
Long term durability remains to be seen, but so far, so good.

http://www.piratecycles1.com/kmcin415ch.html

mikemarley · Jun 29, 2015

wow this thread really took off lol.
just for clarification i do have a ht engine, and it does 50 at the moment. youd be suprised what you could do with a gt5, and the right gearing, and yes it is going to do 70 in the future.i know of 2 people going these speeds already, but i wont say names, lets just say that theyre pioneers at what they do
like i said i like the strength and thickness of the 415, and it helps it looks good on my bike too, almost like an early 1915 harley

butre · Jun 29, 2015

I know quite a few people who are exceeding 60 mph, a couple of them are just a hair away from 70. there are a few guys in Miami making huge strides with these engines

50 isn't too hard, 58 is the number I'm struggling to break. I might have to go on a diet to hit 60

mikemarley · Jun 29, 2015

im positive were talking about the same people in miami.
theres a guy in Decatur il that is hitting 73.1 mph atm too

The_Aleman · Jun 29, 2015

crassius said:
on chains, one measures the pitch (distance pin to pin) and the width (distance between inside of narrowest side plates)

415 is 4/8in by 1.5/8in (or 3/16in)

We know this. We are comparing outside dimensions because this is the limiting factor on how large a chain one can run on a chinagirl.

crassius · Jun 29, 2015

oops, confusing this thread with one about chain too tight on rear sprocket

KCvale · Jun 30, 2015

I am doing 79cc Predator with Q-matic build right now and it requires #41 chain, 415 just won't quite fit the width, a pain in the butt.

mikemarley · Jun 30, 2015

everyone seens to have problems with 415, my skyhawk has a disc rear end and still uses one, and if youve got a skyhawk you know that there is nooooo room whatsoever. heck my engine is happy with it to, ive even disassembled it multiple times

415 motorcycle chain

Slogger

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butre

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The_Aleman

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crassius

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KCvale

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