mounting 70cc motor kit on bicycle with rear disk brakes?

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bbike1

New Member
Apr 30, 2008
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hey guys, just realized that my rear wheel is a disc setup and right now i have a set of hydrualic discs on theree, my question is when i put the sprocket on, won't the disc get in the way? thanks
 

toytime

New Member
Mar 20, 2008
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Ontario
Re: mounting 70cc kit on bike with rear disk brakes?

Look around this site, there is a seller here who sells a sprocket to fit your disk. Easy as pie.
 

misteright1_99

New Member
Mar 21, 2008
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Treasure Coast, Florida
Re: mounting 70cc kit on bike with rear disk brakes?

You are probably going to lose the rear disc, as sprocket and disc will not fit. The good thing is as toy stated there is a vendor that will make a sprocket for you that will bolt where disc is now. Makes it alot easier to get chain aligned. Just look to the left.....
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
 

paul

Well-Known Member
Dec 23, 2007
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Kalamazoo, MI
Re: mounting 70cc kit on bike with rear disk brakes?

i am going to be trying the bolt on the disk mount on my new motorized bicycle also. gonna be buying the new sprocket from kings motors who has them drilled for mounting on the disk mount
 

Venice Motor Bikes

Custom Builder / Dealer/Los Angeles
Mar 20, 2008
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Los Angeles, CA.
Re: mounting 70cc kit on bike with rear disk brakes?

Maybe "kings" can custom make a sprocket & disc brake all in one!!!
(like Exile Cycles)? That would be BAD ASS!!! (^) (c)
 

Pablo

Master Bike Builder & Forum Sponsor
Dec 28, 2007
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www.sickbikeparts.com
Re: mounting 70cc kit on bike with rear disk brakes?

hey guys, just realized that my rear wheel is a disc setup and right now i have a set of hydrualic discs on theree, my question is when i put the sprocket on, won't the disc get in the way? thanks
Or with a jackshaft kit you won't need to mess with the stock brake set-up.
 

bbike1

New Member
Apr 30, 2008
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Re: mounting 70cc kit on bike with rear disk brakes?

does any one have the link to that site? i don't see it to the left. thanks
 

Bikeguy Joe

Godfather of Motorized Bicycles
Jan 8, 2008
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up north now
Re: mounting 70cc kit on bike with rear disk brakes?

Or with a jackshaft kit you won't need to mess with the stock brake set-up.
three quextions-

1.) When will they be market ready?
2.) Final price with shipping?
3.) Will it eat a cheap W-Mart Moondog type derailuer?
 

bbike1

New Member
Apr 30, 2008
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Re: mounting 70cc kit on bike with rear disk brakes?

ohh, so there not even on the market yet. :( I guess I will have to find another old 26" wheel till the mount comes out.
 

Pablo

Master Bike Builder & Forum Sponsor
Dec 28, 2007
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Duvall, WA PNW
www.sickbikeparts.com
Re: mounting 70cc kit on bike with rear disk brakes?

three quextions-

1.) When will they be market ready?
2.) Final price with shipping?
3.) Will it eat a cheap W-Mart Moondog type derailuer?
1) Mid-End of June.
The design is locked in. I'm almost done with the installation manual. We have almost all our suppliers locked in and lead times down. We need a couple more first article parts, but it's getting very close. We probably announced it too soon - sorry.
2) $199 plus shipping UPS depends where you live.
3) I doubt it. I purposely have been doing some fairly harsh shifts under power, no clutch, with my Shimano (yeah I know), and it hasn't exploded. The twist shift is the bee's knees, it's pretty easy to have the coordination to get off the throttle to shift.
 

bbike1

New Member
Apr 30, 2008
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Re: mounting 70cc kit on bike with rear disk brakes?

wait, $199.00 + shipping for just a sprocket?
 

toytime

New Member
Mar 20, 2008
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Ontario
Re: mounting 70cc kit on bike with rear disk brakes?

Just so you don't get confused, the sprockets are out now, and bikeguy was talking about a jackshaft, which would bring your chain over to the right side of the engine.
A really cool idea , by the way.
 

bbike1

New Member
Apr 30, 2008
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okkk, so the 199 is for the jackshaft, whats the advantage of that bye the way? ya, so whats the price on them disc sprockets? didnt see that on the site
 

toytime

New Member
Mar 20, 2008
550
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Ontario
Myspace.com Blogs - Custom Sprockets - Kings Sales & Service Group MySpace Blog


A jackshaft brings everything over to the right side of the bike and you can hook the chain to your peddles. Now you could use your gears and fly. try searching it out on this site, I'm sure I saw a really cool one pictured here. It may have been Pablo. You could also search his posts out by clicking on his profile/name, I think.
 
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