Steel,Friction,Freewheels
Join Date: Oct 2004
Location: Tampa, Florida, USA
Posts: 61
Bikes: '69 Carlton Team Pro, '72 Carlton Giro d'Italia, '78 Motobecane C4C "sur mesure", '64 Royal Enfield Revelation, '73 Peugeot PX10, '77 Mercier Lugano, 2003 Moser M81
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If you retap the bracket with standard English threads and take 2 mm off each side of the BB shell, then you are ready for the 7NL and standard English cups. when you say Twenty, you mean the Raleigh Twenty retreau folder no?
Chainline will be dependent on crank selection and whether you use the inside or outside position for your chainring. r, G.R.