julio 24, 2026Publicado Por En julio 24, 2026FSA IS-2-HBS/42 TREK 588173 Knock Block Tapered Headset Assembly 1-1/8 to 1.5Trek part number: 588173. This headset is intended for compatible Trek Knock Block integrated headset applications and includes the components shown. OEM FSA Trek Knock Block integrated headset assembly.
