Chain Pully

The chain pully helps keep the chain off of your frame when you have the back wheel off. 

ONLY WORKS WITH THRU-AXLE WHEELS

How to use it:

1. take off rear wheel
2. Put axle back onto the bicycle frame through the wheel pully with the chain riding on the pully
3. secure the axle to the frame completely. 

How to print:

Print with the lettering side down with tree support touching the buildplate only.  

I did 10% infill