Frame Selection Singletracks Mountain Bike News, Reviews, MTB Trails and Community › Protected: Forums › Mountain Bike Forum › Frame Selection Tweet Add to Flipboard Magazine. Viewing 0 reply threads Author Posts October 4, 2018 at 17:37 #248200 Oldandrolling I am curious about what others look for when they are purchasing an aluminum FS frame for a build. I know why the right size, dimensions, rear travel are important. What else to experienced builders look for? Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.