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Old 05-21-2011, 02:11 PM
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MaxPower MaxPower is offline
Motorized Bicycle Elite Member
Join Date: Jul 2009
Location: Sierra Vista AZ
Posts: 555
Default Re: Staton Robin Subaru crank shift kit

I finally got the striped crank arms off (dremel tool and angle grinder, bike shop could not help). Had a **** of a time with that. learned a lot too. Then I problems with the bearing adapters. The right side went on just fine (beautifully) but the left side was a whole other story. The threads were not cut properly! my old cups threaded in fine and I had to cut off all but the last five threads of Statons adapter to make it thread properly. I was very upset at that. Another thing I don't like about the adapters is that they are soft aluminum and deform when you tighten them down. You shouldn't have to put too much torque on them but I had to because of the machining on the threads. All this could be because of my ineptitude of course but the kit should be a little more straight forward. Some more issues I'm having with the kit. The sprockets sit out too far (see picture). the largest sprocket (not the engine sprocket) sits out further that the last sprocket on rear cassette so there is no way to get a straight chain line. There is no way to make the sprockets closer to the bottom bracket either and the adapters cause the sprockets to sit out even further. THIS IS THE WAY IT HAS TO BE. and it's a shame. I Also don't like how one crank arm sits out further than the other. I'll find out when I finish if this is a problem for me. The kit was missing some shaft collars and a nut spacer so I'm hoping Staton will send me some. I sent him an email. for $700 I think he should. Some things I like so far. I like how the bottom bracket engine sprocket spins independently of the other sprockets. This allows you to pedal without spinning the engine chain. The engine came pre-installed on the gear box and Hardware is quality.
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