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@853Superfly
Still on 42x16 28c good for cruising along at 18mph, can sprint up to 23mph with out getting to flappy on the bike= short wheelbase and pedal masher at high rpm's.
Tried 42x15 was a bit meh, will try it again when legs are back from winter slackness.
42x18 a bit spinny.
42x17......... might get a sprocket and try that as 18 to spinny, 16 is about right, 15 maybe a bit much for standing starts on the old knees and muddy bridleways.