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Down shift aids on chainring

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Down shift aids on chainring

Old 02-24-24, 11:27 AM
  #26  
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Bikes: 1974 PX-10E sold, 1977 Witcomb stolen, 1980 Roberts 1 speed, 1987 Cyclops 3 x 6 friction triple crank, 2010 Masi Commuter 1 speed, 2017 Ribble 525 2 x 10 with Ergos

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135 mm BCD is correct. The Specialities TA "Vento" rings fit and work perfectly and are seriously beautiful (if a chainring can be described as such).

Source TA rings at Peter White Cycles in US, Spa Cycles in UK, or SJSCycles in UK. The actual TA website is a bit hard to follow and prices are steep.
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