MTB Cassette Tool

thingiverse

I looked for a tool on Thingiverse to remove the cassette lock on an old mountain bike, but was unsuccessful. Everything that I downloaded was too small (Shimano?). I made this one and it worked perfectly. It can be driven with a 25mm boxed-end wrench (1" should work too). I printed it in PLA with 75% infill and 3 walls. The diameter of the tool from cog to cog is ~32mm. I hope this helps other folks with their old cassette rebuilds. Cheers!