The file 'Chain Wheel Protection Decathlon B’Twin Bicycle 3D Printer Model' is (stl,blend) file type, size is 251.1KB.
This is a chain wheel protection for bicycle (Decathlon B-Twin 7)Printed on 2 part to fit in my Makerbot replicator 2.STL and Blender model file included.
http://gregoiresimonnet.fr/protege-plateau-de-velo/