Joined: Feb 2012
Posts: 19,356
Likes: 5,478
From: Rochester, NY
Bikes: Stewart S&S coupled sport tourer, Stewart Sunday light, Stewart Commuting, Stewart Touring, Co Motion Tandem, Stewart 3-Spd, Stewart Track, Fuji Finest, Mongoose Tomac ATB, GT Bravado ATB, JCP Folder, Stewart 650B ATB
I usually round in the direction of my concerns about accurate ERD. If you have two different ERDs (close but different) round in the direction of the one you decided to not go with.
Brass nips always. Andy.