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Discussion in 'Motorized Bicycle General Discussion' started by Pablo, Aug 1, 2009.
And I had to glide/push my bike home. Dang I was sweaty. Hot here.
which chain was that?
looks like that part of the link stretched to its limit, youre lucky you didnt stack it
My bike chain.
Flexed and stretched.
Been there, done that, always carry a spare now! I'm guessing that is the original kit chain. I switched to #41 roller chain and haven't had a problem since.
Replaced with this:
It's a 25 year old mountain bike speed chain.
my peddal side chain is the same size and length as my engine side chain,so if one breaks i can borrow the other one,its like always having a spare with me,plus they both have a master link so it would be easy to change.
are you using the shifter kit? Im thinking the chain would be too narrow for the 44T
i have a scwhinn del mar single speed cruiser with wide 3/8" peddal side chain and its the same size as the 415 chain on my engine side and there both the same length.
Wow Pablo, Hit a few hard shifts? Glad you didn't go down.
I shift HARD All the time. This was the second Shifter Kit bike made, put on a well ridden mid 80's Diamond Back with a lot of wear - the chain had some bent plates to start. I routinely experimented with it for 1.5 years (so far!) - purposely dumping the chain. Proves that chain breakage won't be a problem if you start with a good chain. The only thing that happened is the bike just was gliding with chain off so no real worries about going down. This is because of two freewheels. I didn't even know I had a busted plate until after I put the chain on second time and it kept jumping.
"Is he using the shift kit?" Some of you people need to pay better attention to who is posting.
I actually had a 415 chain break on me last week on my shifter kit (the chain on the left side of the engine). I replaced it with another one and chalk it up as a rare event. I think a pebble got thrown up into the clutch cover that houses the drive sprocket and it tweaked a chain plate causing it to fail similarly.
A friend of mine uses a bmx chain instead of the 415 chain, (for extra tire clearance.)
He has to replace the BMX chain every year or so because it stretches from the engine torque.
Maybe SBP could look into finding out what brand of chain is strongest, to go with their shift kits?
Also.. I'm not knocking SBP's kit! I think it's a stellar invention!!!
We don't supply the bike chain with the kit but we do supply a BMX chain for the right side sprocket to chainring. Anyway, we started carrying this speed chain:
KMC 8X-CHAIN - BIKE SPEED CHAIN
It's pretty darn strong, and would take some strength to bend. My old chain was surprisingly easy to bend.