Ryobi bc30 GEBE ?????

Discussion in 'Motorized Bicycle General Discussion' started by tclough, Aug 7, 2009.

  1. tclough

    tclough New Member

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    Hello,
    I am new to this forum and am very interested in building a motorized bike. I have a Ryobi bc30 engine that is practically new and would like to use it on a GEBE kit. This looks like a fairly simple way to get started. GEBE sells two sizes based on the clutch size. I have done a lot of research but can't find out the clutch size for the ryobi engine 52mm or 76mm and I am not sure how to measure this. It seems that larger engines use the 76mm and I would guess the ryobi to be the 52. Also there are 4 different gears that GEBE sells. I am 200 lbs, the bike is a 26" mountain bike and I live in very hilly, mountainous terrain and will drive mostly dirt roads. Advice on which GEBE gear would be best.

    Thanks for any and all help on this.
     
  2. Zev0

    Zev0 New Member

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    Gear size 11 or 12 would be what you need. In a very hilly terrain, I'd side with the 11.
     
  3. tclough

    tclough New Member

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    Zev0 Thanks for the advice.

    Tom
     

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