Joined: Mar 2014
Posts: 18,448
Likes: 6,756
From: ,location, location
Bikes: Foundry Chilkoot Ti W/Ultegra Di2, Salsa Timberjack Ti, Cinelli Mash Work RandoCross Fun Time Machine, 1x9 XT Parts Hybrid, Co-Motion Cascadia, Specialized Langster, Phil Wood Apple VeloXS Frame (w/DA 7400), R+M Supercharger2 Rohloff, Habanero Ti 26
I like having a triple so that is unlikely to change however is what I am running Sugino Alpina 2 Triple 24/36/48 with a SRAM PG-990 cassette: 11-13-15-17-20-23-26-30-34 but that will likely change to a 12T cog in instead of the 11 just to try it out.
If you are using your 38/24 quite a bit and liking it I would probably stick with that. Unless you feel your 38 is too big I wouldn't change that too much or go with a 36/24 and be in the middle. My gearing might not work for you but if you have something you like stay with it and if you are feeling you need more or less try something new.