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Rear Sprocket on Disc Brake Wheel


Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle General Discussion forum. My bike has two disc brakes instead of v-brakes so my wheel hubs have flanges that extend outwards in ...
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Old 10-27-2009, 11:49 PM
Motorized Bicycle Newbie
 
Join Date: Oct 2009
Location: Atl, Georgia
Posts: 9
Default Rear Sprocket on Disc Brake Wheel

My bike has two disc brakes instead of v-brakes so my wheel hubs have flanges that extend outwards in order to hold the disc in place. Unfortunately, this keeps me from putting the rear sprocket on the wheel... Are these wheel hub pieces generally removable or do I need to either get the disc brake sprocket adapter or a new rear wheel? I would prefer the sprocket adapter but I didn't get any response from King Sales and Service when I left a message about their top hat adapter. Is there anyone else who can make me a sprocket?

Anyway, here is a picture which will hopefully help illustrate the problem...

Thanks.
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rear-sprocket-disc-brake-wheel-1027092232asmall.jpg  
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Old 10-27-2009, 11:59 PM
Motorized Bicycle Newbie
 
Join Date: Aug 2009
Location: Brampton
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Default Re: Rear Sprocket on Disc Brake Wheel

hey bud i had that same problem but i chose to take advantage of it but still on my way and waiting for the sprocket addapter to fix my problem, i had ordered some sprockets and a addapter from kings sale and service and never received them but apparently they were shipped out so somewere upsp messed up, well meanwhile what i did was trace the 6 6m wholes from my disk ontop the sprocket and used the original screws to secure the sprocket onto the hub, you have to b percise its a tight fit the wholes were almost to close together to make the diameter of the sprocket but i got it to work the only problem i have now is the chain is not lined up with the engine so it wants to jump of the sprocket i just put lots of grese on the chain and the chain tensioner seems to be holding it in place i ended up ordering another addapter and im currently waiting on this one
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Old 10-28-2009, 12:01 AM
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Default Re: Rear Sprocket on Disc Brake Wheel

i forgot to mention after you trace the wholes on your srocket you do need to drill them threw the sprocket in case you didint get it:P
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Old 10-28-2009, 12:21 AM
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Location: Atl, Georgia
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Default Re: Rear Sprocket on Disc Brake Wheel

Quote:
Originally Posted by spit_fire View Post
i forgot to mention after you trace the wholes on your srocket you do need to drill them threw the sprocket in case you didint get it:P
I'll give that a shot. I guess that I'll just pick up a drill, trace the holes, and hopefully drill precisely. Are there any downsides to doing this versus going with a Tophat adapter?

Thanks
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Old 10-28-2009, 02:18 PM
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Join Date: May 2008
Location: Fountain Hills, Arizona
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Default Re: Rear Sprocket on Disc Brake Wheel

the downside is where the sprocket will be in relation to your engine
I had to space mine closer to the wheel
I cut out the center of the sprocket and bolted it inside a disc rotor
I adjusted the spacing with washers until I got it right, then exchanged washers for the same thickness of nuts
I hope that made sense and helps !!!
Attached Thumbnails
rear-sprocket-disc-brake-wheel-mini-may-15-09-chrome-50  rear-sprocket-disc-brake-wheel-mini-ez-motorbike-sprocket-mount-close  
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Old 10-29-2009, 12:22 AM
Motorized Bicycle Newbie
 
Join Date: Aug 2009
Location: Brampton
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Default Re: Rear Sprocket on Disc Brake Wheel

Yah i would go with Bills idea unfortunetly i didint think that far ahead but instead just found a way to keep the chain on and its been working fine for me but i did have head aches with it, good job Bill thats a way cheaper alternative than the top hat sprocket that ive been trying to get my hands on for almost 2 months, i purchased a 50 tooth sprocket from some guy of ebay for 10 bucks but its designed for the top hat adapter, you guys think these bikes can haul threw snow if you put a good engine together (quality bearing, dellroto carb, and planning on putting a expansion chamber on it ) and a 50 toth sprocket that has to increase the torque i dont mind that ill b loosing top end its cold out anyways
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Old 11-01-2009, 12:48 AM
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Join Date: Dec 2007
Location: Charlottesville, VA
Posts: 362
Default Re: Rear Sprocket on Disc Brake Wheel

HI All,

Sorry I haven't been around here lately (crazy busy BUT in this economy I am thankful)....

Best way to get a hold of me is on the cell 434-760-6924 Or faster still is simply ordering off the myspace page...

Lots of interesting reading since I've been on here last!

Hope this helps.

Thanks!

Andrew
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http://www.youtube.com/watch?v=-zyU8n41f2c
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Old 11-01-2009, 12:57 AM
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Join Date: Oct 2009
Location: Winona MN (southeast MN)
Posts: 68
Default Re: Rear Sprocket on Disc Brake Wheel

Is Your Problem That The Bolts Wont Reach That Far?????i Think They Might And If You Can Make The Center Hole Bigger To Fit On The Hub Farhter...
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