Joined: Mar 2014
Posts: 18,248
Likes: 6,624
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 would get new chainrings or cranks for an authorized Shimano dealer. Random cheap stuff from unknown unauthorized third party sellers is not really a good way to go. I would make sure to match old arm length unless you have a fitter telling you otherwise.