conector 5-2

thingiverse

This 3D printed ring adapter is created using a customizer and based on Thingiverse design #1165439. It can be adjusted to fit a bike chainring to the crank arms of certain bikes, including but not limited to BMC Road, Ridley X-Frame, or Felt DAU9 framesets. Here's how it works: 1. Determine the width required between the two chainrings and input that in centimeters. For standard single chainring widths of 2-10 mm use default width = 5 cm. For dual ring configurations select "two chain rings". Choose your crank arm diameter, typically from 24 to 32 millimeters (in our examples we use 24, 26 or 30 mm for our Felt frameset but these are just guidelines, so double-check what works on your setup). To adjust for correct center spacing choose the appropriate chainring bolt hole size as a starting point. Use your measured length to ensure smooth movement. This ring fits both Campagnolo and Shimano cranksets. If you have a road bike with FSA (Full Speed Ahead) cranks then do not add 5mm onto your chosen measurement for dual ring systems, otherwise just stick with the standard setup above for proper chainline. If you find this adapter does work on any of these bike frames but only occasionally, double-check the connector type by swapping it out and test again - perhaps the hole spacing of the specific model frame that needs to be connected doesn't quite line up right with your other options? This isn't likely since both connector types should always align exactly as is in all cases! However this gives a bit more understanding if some users need an alternate choice depending upon their set-up. One thing users must check before ordering and before assembly - ensure you select "use inner ring", "no inner spacer" option when using FSA K-Force EX chainsets which come stock with these dimensions on certain models only. Remember it may look complex at first, but once installed these adapters work like normal cranks. One word about this tool: as the owner and manufacturer, you might need to add more detailed assembly or instructions for other custom designs.