Trying to finish my project. The Grubee Stage III Rear Mount kit came with no clear instructions on how to properly mount the rear mount for the engine, so using photos I was able to do it and get it leveled out. This is being installed on a Diamond Back Response 18 speed mountain bike with no rear suspension.
Minor adjustments had to made and extra spacers and a temporary threaded piece of stock had to be used to replace the quick release axle due to the installation of spacers on the left side that were needed to give clearance so the chain would not hit the frame... really need a stronger, longer axle but that is another question....
I trued the sprocket and got it NEARLY 100% even left-right-top-bottom with just a little bit of out of round motion up and down when I spin the wheel. No side to side wobbling at all.
No matter HOW MUCH I mess with the rear mount (about 7 hours yesterday... yes.. I want to finish and ride!!) I get a small amount of chain "popping" or binding when I back the bike up, but not as much when I roll forward... sometimes not at all, but always a little when I roll it backwards.
Chain tensioner (sp) seems to make it worse and I'm wondering if I can do with out that.
Question - How MUCH chain binding is acceptable? My goal is to be able to spin it back and forward with no popping at all, but no cigar to this point.
I'll post a photo later so you can see the install.
No matter how I adjust the rear mount the motor seems SLIGHTLY leaning to the right, so perhaps I need to make spacers for it on the left side to move it up a little.
Suggestions greatly appreciated.
Thanks!
EDIT - How many posts are required before you can post a photo? I do not see an option. Would be easier to get help if I could do that.
Minor adjustments had to made and extra spacers and a temporary threaded piece of stock had to be used to replace the quick release axle due to the installation of spacers on the left side that were needed to give clearance so the chain would not hit the frame... really need a stronger, longer axle but that is another question....
I trued the sprocket and got it NEARLY 100% even left-right-top-bottom with just a little bit of out of round motion up and down when I spin the wheel. No side to side wobbling at all.
No matter HOW MUCH I mess with the rear mount (about 7 hours yesterday... yes.. I want to finish and ride!!) I get a small amount of chain "popping" or binding when I back the bike up, but not as much when I roll forward... sometimes not at all, but always a little when I roll it backwards.
Chain tensioner (sp) seems to make it worse and I'm wondering if I can do with out that.
Question - How MUCH chain binding is acceptable? My goal is to be able to spin it back and forward with no popping at all, but no cigar to this point.
I'll post a photo later so you can see the install.
No matter how I adjust the rear mount the motor seems SLIGHTLY leaning to the right, so perhaps I need to make spacers for it on the left side to move it up a little.
Suggestions greatly appreciated.
Thanks!
EDIT - How many posts are required before you can post a photo? I do not see an option. Would be easier to get help if I could do that.
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