This exercise wheel design uses nothing but a Tee Nut to allow it to screw onto the same dual bearing axle assembly. If you screw it on tight against the hub, it deforms the plastic of the wheel just enough to act like a lock washer. So far I have not had this design come disconnected but I still wonder if a larger hub would be better for more surface area to fasten against. A larger tee nut could also be beneficial. Perhaps a non-fingered one could be used with a large fender washer and then glued or riveted against the wheel.

 

kazko
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NUTHOUSE (3) Pican 4/30/2002, died 6/02/2010 Buddy 5/01/2006 Hazel 2/01/2007, rehomed 11/28/2011 Maya 4/25/2007 Pili 4/25/2007 MISFITS (3) Big Guy 9/23/2003, died 1/29/2014 Lil Guy 9/23/2003, died 5/13/2015 Hunter 4/19/2006, died 3/23/2014 JP 8/12/2006 Shikoni 2004 Kioko 2003 Washi 2003, died 5/27/2014 SUGARSHACK (3) Chico 1/15/2006, died 9/14/2011 Cookie 10/15/2005 Kimmie 10/15/2005 Lucky 5/25/2007 Spritz 8/24/2007, died 7/06/2011 Ginger 8/24/2007, died 12/16/2012 Rock 9/09/2007, died 3/23/2013 Crystal 9/09/2007, died 11/01/2012

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