This is a video showing how to use the Cyclus Bottom Bracket Threading Tool, specifically for the BSA or English thread bottom bracket.
The version shown here is the BSA 1.370 x 24TPI - 720008 (this is the cutter thread version eg BSA).
The crankset tested is a SHIMANO GRX Hollowtech II
00:00 Intro
00:26 The Frame
00:54 The Cyclus BB Threading Tool
01:58 Recommendations
02:32 Mounting the Tool
03:40 Beginning the Thread Turns
06:07 Removing the Tool
06:38 Removing the Swarf
08:39 Reinstall of the Bottom Bracket
15:06 Test Fitting a GRX Crankset
15:55 Outro