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| Motorized Bicycle General Discussion Topics on bicycle engine kits, help articles, repair and modifications for your motorized bicycles |
Sick Bike parts shift kit questions
Discussion at Motorized Bicycle Engine Kit Forum in the Motorized Bicycle General Discussion forum. For those of you that have used (or sell) the Sick Bikes shift kit...
If I'm converting from a ...  | | 
12-12-2008, 11:14 AM
| | Motorized Bicycle Senior Member | | Join Date: Nov 2008 Location: Georgia
Posts: 66
| |  Sick Bike parts shift kit questions
For those of you that have used (or sell) the Sick Bikes shift kit...
If I'm converting from a single speed front to the SBP kit, would the chain location stay the same?
Is there an instruction manual available online?
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12-12-2008, 11:38 AM
|  | Motorized Bicycle Elite Member | | Join Date: Jun 2008 Location: Longmont, CO
Posts: 1,597
| | Re: Sick Bike parts shift kit questions
here's the manual: Sick Bike Parts Downloads
What do you mean chain location? |
12-12-2008, 11:58 AM
| | Motorized Bicycle Senior Member | | Join Date: Nov 2008 Location: Georgia
Posts: 66
| | Re: Sick Bike parts shift kit questions
Will the chain move left/right at the front or stay on the same plane.
How did I miss that download page? *smacks self on forehead*
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If it's worth building, it's worth over-building.
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12-12-2008, 12:00 PM
| | Motorized Bicycle Elite Member | | Join Date: Jun 2008 Location: Longmont, CO
Posts: 1,597
| | Re: Sick Bike parts shift kit questions
Well I haven't ordered my kit yet (1 week to go) so I'm not 100%, but...
I think it should stay somewhat the same, since the inner chainring is used for the drive chain, and the outer is used for the motor. Don't quote me on that though. Hopefully Pablo or Ghost0 can jump in and comment. |
12-12-2008, 12:37 PM
|  | Motorized Bicycle Elite Member | | Join Date: Mar 2008 Location: Bellingham, WA
Posts: 535
| | Re: Sick Bike parts shift kit questions
I guess I don't really understand the question about the chain staying in the same place. As jasonh mentioned the position of the chainrings is approximately the same as any standard bike. You should not have any problems. What bike are you intending to use. This may help me assist you better. |
12-12-2008, 12:48 PM
| | Motorized Bicycle Senior Member | | Join Date: Nov 2008 Location: Georgia
Posts: 66
| | Re: Sick Bike parts shift kit questions
Quote:
Originally Posted by Ghost0  What bike are you intending to use. This may help me assist you better. | Might as well get a thread started...
Reason I ask about chain location is because if I build the bike the way I intend, chain location left/right will be critical.
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If it's worth building, it's worth over-building.
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12-12-2008, 03:30 PM
| | Motorized Bicycle Elite Member | | Join Date: Mar 2008 Location: Bellingham, WA
Posts: 535
| | Re: Sick Bike parts shift kit questions
The kit will not work on that frame. The reason is that there is no way for the chain coming from the jackshaft to meet up with the chain on the chainring. The only way it can be done is for an idler shaft to be created in the approximate location of a normal bottom bracket in relation to the engine. The cranks and jackshaft would both drive the idler and the idler would drive the rear wheel. |
12-13-2008, 01:03 AM
| | Motorized Bicycle Senior Member | | Join Date: Nov 2008 Location: Georgia
Posts: 66
| | Re: Sick Bike parts shift kit questions
Quote:
Originally Posted by Ghost0 The kit will not work on that frame. The reason is that there is no way for the chain coming from the jackshaft to meet up with the chain on the chainring. The only way it can be done is for an idler shaft to be created in the approximate location of a normal bottom bracket in relation to the engine. The cranks and jackshaft would both drive the idler and the idler would drive the rear wheel. | The kit as a whole won't work, but elements of it will work for the application.
How much for the front freewheel assembly with cranks, jackshaft, bearings, and gears/sprockets?
I really don't want to buy the kit just to cannibalize it and toss the stuff I can't use.
Don't need engine mounts, jackshaft plates, etc.
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If it's worth building, it's worth over-building.
Last edited by Long&Black : 12-13-2008 at 01:05 AM.
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12-13-2008, 09:49 AM
|  | Master Bike Builder & Forum Sponsor | | Join Date: Dec 2007 Location: Duvall, WA PNW
Posts: 2,684
| | Re: Sick Bike parts shift kit questions
Quote:
Originally Posted by Long&Black The kit as a whole won't work, but elements of it will work for the application.
How much for the front freewheel assembly with cranks, jackshaft, bearings, and gears/sprockets?
I really don't want to buy the kit just to cannibalize it and toss the stuff I can't use.
Don't need engine mounts, jackshaft plates, etc. | Those items listed plus spindle will be about $126+~$10 shipping. |
12-16-2008, 02:00 AM
| | Motorized Bicycle Senior Member | | Join Date: Nov 2008 Location: Georgia
Posts: 66
| | Re: Sick Bike parts shift kit questions
Quote:
Originally Posted by Pablo Those items listed plus spindle will be about $126+~$10 shipping. | Do you accept paypal?
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