Testing friction change in full-ceramic-bearing jockey pulleys
Lennard Zinn drops by Friction Facts to test the full-ceramic-bearing jockey pulleys on his cyclocross bikes after a muddy season
pulleys
Ask Nick: Levi’s hump, saddle woes and derailleur pulleys
Tech editor Nick Legan gives advice on building ice socks, choosing and aligning the perfect saddle and replacing derailleur pulleys
Technical FAQ: ‘Auto-shifting’ with vintage parts
Why does my vintage Campagnolo drivetrain shift on its own?