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Pre-Motorized Bicycle Information. Before you mount that engine to your bicycle frame, you'll want to know if the bike is ready for the engine! Ask our experts here for advice on what will perform well.

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Old 03-05-2015, 08:29 AM
alesterfeind alesterfeind is offline
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Default Genesis GX7 - 29er

I am getting ready to motorize a GX7. It has 29 inch, 48 spoke wheels. Is there a sprocket adapter that will fit this? My concern is not the hub diameter, but more the 48 spokes.
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Old 03-05-2015, 09:48 AM
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MotorBicycleRacing MotorBicycleRacing is offline
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Default

What is the hub diameter?

The large Manic Mechanic sprocket adapter fits a coaster brake 48 spoke wheel.
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Old 03-05-2015, 10:13 AM
alesterfeind alesterfeind is offline
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Default Re: Genesis GX7 - 29er

With all the spokes, it's hard to wrap a tape measure around it, but I got around 3 inches. It's a 7 speed derailleur on the back if that helps.
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Old 03-05-2015, 01:34 PM
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mapbike mapbike is offline
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Default Re: Genesis GX7 - 29er

Quote:
Originally Posted by alesterfeind View Post
With all the spokes, it's hard to wrap a tape measure around it, but I got around 3 inches. It's a 7 speed derailleur on the back if that helps.
this is what you need to measure diameter of the hub.

knowing the exact size of the hub is critical for making sure the adapter will fit the wheel properly.

http://pages.ebay.com/link/?nav=item...518947&alt=web
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Old 03-05-2015, 04:12 PM
alesterfeind alesterfeind is offline
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Default Re: Genesis GX7 - 29er

Duh, sorry, I gave you circumference. It comes out to just about 1 inch diameter. That's converting the circumference to diameter, since I don't have one of those tools.
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Old 02-08-2017, 09:12 AM
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mbearden mbearden is offline
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Default Re: Genesis GX7 - 29er

I'm a little late to the thread, but the SBP jackshaft shift kit works great with that bike, no need to hassle with rag joint in the spokes!
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Old 03-26-2017, 03:07 PM
bikesnipe bikesnipe is offline
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Default Re: Genesis GX7 - 29er

have any troub




























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Have any trouble with the brakes
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