Combining a 9-speed Chain And a Narrow Wide Chainring
The internal width of bicycle chains designed for 9/10/11/12 is identical and consequently, it's possible to use a 9-speed chain with a narrow-wide setup. However, the outer width of 9-speed…
10-speed Front Derailleur and a 9-speed Chain? (fast answer)
Condensed Answer: A 10-speed front derailleur can operate sufficiently well with a 9-speed chain. The main issue to look for is rubbing of the chain against the derailleur's cage. Of…