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Motorized Bicycle Trouble Shooting Use this area to post problems that may arise that you could use some help in figuring out what is wrong with their bicycle motor and what needs to be done to achieve top performance.

Tire Size question


Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle Trouble Shooting forum. I've got a 2.2 cruiser tire on the back w/ a standard old beach cruiser coaster brake. even ...
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Old 10-08-2009, 03:02 PM
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Default Tire Size question

I've got a 2.2 cruiser tire on the back w/ a standard old beach cruiser coaster brake.

even with the sprocket flipped, it looks like the drive chain will still come in contact with the tire. Anyone run into this?



I just want this 2smoker pinging down the street already. What tire size would you guys recommend w/ a stock sprocket - and / or - is there a kit I could use in order to still use my 2.2 ?

Last edited by fairracing31 : 10-09-2009 at 01:17 AM.
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Old 10-08-2009, 05:06 PM
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Default Re: Tire Size question

I would keep the largest tire that you could run. You could try to add another rag ring to the outer side of the tire to gain some clearence. Most of my builds have the same issue...I try and keep atleast a 1/4" clearence between the chain and tire.
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Old 10-08-2009, 06:45 PM
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Default Re: Tire Size question

I found once I ditched the Chinese chain that came in the kit and went with the #41 chain (also made in China so go figure) I lost all the black stripes on my whitewall. Seems like the chain that comes with the kit has a LOT of side to side play.
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Old 10-08-2009, 10:03 PM
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Default Re: Tire Size question

i appreciate the feed back


So what it comes down to (and i went snoopin)


the hub + rim IF U BUY A COMPLETE are complementary


that being said. my 1.75 pre build wheel has no chance suffering a 2.2 tire - because the hub is just enough for the rim


sad day indeed - its a 30$ tire and it looks so nice
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Old 10-08-2009, 10:10 PM
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Default Re: Tire Size question

Quote:
Originally Posted by Kevlarr View Post
I found once I ditched the Chinese chain that came in the kit and went with the #41 chain (also made in China so go figure) I lost all the black stripes on my whitewall. Seems like the chain that comes with the kit has a LOT of side to side play.
im not talking slap.
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Old 10-08-2009, 11:28 PM
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Default Re: Tire Size question

a 2.2 should fit on a 1.75 rim. most new rims you can buy are advertised as "1.75-2.125"

i've done it before...

my first bike had the old Carlisle Aggressor 2.125's on it. i've got the bigger chain, and it rubbed, but not enough to bother me. it just used to lube up my sidewall.

i've got some Kenda Kommuter 2.0s" on it now, and no chain rub at all. but i think i've got the perfect bike for it. it's a 1956 Goodyear Hi Way Patrol Special, and i don't need a chain tensioner, and i just had to whack the rear fender with a rubber mallet a few times to make the chain clear.

sorry, didn't mean to rub it in...
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Old 10-09-2009, 09:44 AM
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Default Re: Tire Size question

yeah i think a 2.0 would do the trick, the tires i have now are the Bontrager "Hank"s

Bontrager Hank Tire - revolutioncycles.com


I guess i'll stroll down to my lbs and find a comparable 2.0 or 1.95
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Old 10-09-2009, 10:48 AM
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Default Re: Tire Size question

Another way is to dish your wheel to one side by tightening the spokes on one side 1/4 turn & loosening the other side 1/4 turn.
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