Some more detail on the project, although we're not going to release all the exact details of this conversion since we're the ones who have paid for the "research and development" side and don't want to give away our hard won info for free
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The idea behind the conversion was always to keep the "plug and play" fitment process as simple as possible. I wanted it so that no permanent alterations to the c5 were necessary, and nothing more than a spanner or screwdriver are needed to fit the kit - which is what we have. This means it was essential to retain and use the armature in its original unaltered state.
Provided the original drive cog fitted to your armature is in a good condition to begin with, this kit will not damage it. I will even go as far as to say that the original setup is more likely to damage the cog than this conversion kit
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We've spent a lot of time and money on this and believe thorough testing will prove we've got it right
Another plus side of this conversion is that it will also accept motors that have had their small set of twin bearings snapped off the end of the armature - giving a new lease of life to those damaged components.
As for the large white drive cog fitted to the axle, it may well prove to be a weak link. But bear in mind these cases of fractures and fatigue have only started to surface after many years.
All the failures in maxxed out 24v c5's so far have been the gearboxes - the large axle drive cogs have coped well.
A replacement from Adam might be the cheap and simple answer if you're worried, and I think is preferable to going the chain drive route..
Exciting times