It's a 14-32 and derailleur has no issues shifting thru all cogs. Crank is a just a 52-45, but if you want very low gearing (just a FYI) I successfully paired a mountain bike, Shimano Deore, triple crankset to a 14-28 free wheel. on a 1971 Stella. That triple has a 24 tooth granny. . Don