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Slot.it rear wheel grub screws too tight

2757 Views 34 Replies 21 Participants Last post by  Martyn_
I've just bought a new Slot.it Audi R8C (CA12C) which has had its rear wheel grub screws over-tightened in the factory. I've ruined three new Slot.it allen keys trying to loosen the screws, only have two undamaged allen keys left and don't want to ruin those. I need to loosen the grub screws to reposition the rear wheels, which have been fixed too far inboard at manufacture.

I've tried alternately gently heating and cooling the axle and wheel assembly, which succeeded in loosening one screw, but the other is still jammed tight. Any ideas how to undo it?
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Hi All.

I have re-drilled and re-threaded many NSR hubs, for myself and others, and I always go for the smaller Slotit size rather than the NSR size, cos it gives greater screw/hub contact and is less likely to strip. (you can also get away with a smaller boss in those difficult sidewinder situations).

There is absolutely no problem with the Slotit screw size, I would respectfully suggest that those who claim so are wind-up merchants, either having very limited experience or just "having a larf" !.

The OP appears to have a genuine problem, but this can be resolved by cutting a slot across the screw and hub with a fine Dremel disc, and using a small screwdriver to extract the grub-screw.

vbr Chris A.
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