ISGC-05 Bash Guard / Chain Guide
Description
ISGC-05 3D printed / titanium Bash guard & Chain guide. You can use whatever material you'd like for the plate but I chose titanium. Plate thickness must be .187" (4.75mm) +/- to be flush with the replaceable bash guard without modification. This guide/guard will fit a maximum 32 oval or 34 circle chainring. You can go any size below that if you want. What you need: - Laser/plasma cut metal plate (I used Sendcutsend and .187" grade 5 titanium, ~$38) - Low profile binding barrel and screw (https://www.mcmaster.com/99024A327/, ~$14) - Narrow Fillister Head slotted screw (https://www.mcmaster.com/91794A196/, ~$11) - Stainless steel button head bolt (https://www.mcmaster.com/94500A315/, ~$11) Printing: - For both the chain guide and the bash guard, the current STL orientation is the best. - Use supports on both - 100% infill with at least 5 perimeters - I used PETG for both, ABS, ASA, PC, or Nylon should all work as well. Assembly: - Once you have your plate cut out and parts printed, use two binding barrels and screws to attach the bash guard to the metal plate. It will be a tight fit. - Take a female binding barrel and one of the narrow fillister head slotted screws to attach the chain guide. Do not over-tighten, loosen the screw to adjust the chain guide. - Attach to the ISGC-05 mounts on your bike using the SS button head bolts. - I recommend a medium-strength loctite on all the bolts but the button heads, use grease for these. If you break a bash guard just print a new one. I broke one weaker version and modified the bash guard to what it currently is. Total cost: ~$74, still cheaper than any other nice bash guards/chain guides. If you can find the hardware as individual pieces, you can significantly reduce the price.
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