Park Tool FTS-1 Fork Threading Set cassons The Apex XPLR derailleur hits

The Apex XPLR derailleur hits the sweet spot of smooth jumps over a big gear range

Taking the iconic Z1 as a starting point

55bar/22PSI with a 125mm tyreRecommended tire sizes: 60mm to 76mm (2

which transforms the downtube’s open space into practical in‑frame storage

Park Tool FTS-1 Fork Threading Set cassons The Apex XPLR derailleur hitsThe FTS 1 is designed for cutting new threads as well as chasing existing threads on bicycle fork steering columns. The FTS 1's cutting dies are made from the highest quality high speed steel for precision cutting and long life. The unique thread guide system used with the FTS 1 is specially designed to allow the metal chips and shavings that result during use to fall completely through the guide, preventing damage to the fork threads and the tool.