Down shift aids on chainring
#26
Thread Starter
Junior Member

Joined: Oct 2017
Posts: 181
Likes: 55
From: Ottawa, ON, Canada
Bikes: 1974 PX-10E steep angles, 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
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.
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.




