Originally Posted by
nmdesertracer
Just called Tekno they dont have a collet with a wider opening!!

Originally Posted by
qstorm777
I ordered two TKR5353 from Amain on March 28th because I was having the same problem on my NT48. Flywheel came loose twice. Will the new collets be in those kits? How big will the new gap be?
This is truly a very easy DIY project. Just use a cutoff wheel in your Dremel and grind the gap open a bit. Very easy and quick.