NOS Specialites TA #204 Small Criterium Chainring for Pro 5 Vis (Professionnel) with 44 teeth and 152 BCD since the 1960s ft-extra-rolling The M5 grub screw has

The M5 grub screw has been replaced with a M6 one probably due to a defective thread of the screw supposed to help mounting and dissmounting the stem

154mm steerer (43mm threaded)

255 gr (100mm)

it has got Bocama (BCM) lugs and the original Columbus SL fork is an aero one /

4 seems to fit in as well but only very tight /

NOS Specialites TA #204 Small Criterium Chainring for Pro 5 Vis (Professionnel) with 44 teeth and 152 BCD since the 1960s ft-extra-rolling The M5 grub screw hasWeight Gewicht: 39 g Bolt circle diameter Lochkreisdurchmesser: 152 mm Teeth Zhne: 43 Condition Zustand: New old stock (NOS), see pictures Neuer alter Lagerbestand, siehe Bilder Production period Produktionszeitraum: 1960s 1990s 1960er 1990er Please note Bemerkung: Credit : Scan found on velopages. com Aufzeichnungen auf velopages. com gefunden