ProfessorChaos wrote:Frame size can also vary the clearance. A 49cm frame will likely have less clearance than a 54 or 56. A co-worker of mine fit 28 Turbos on CLX50's on a 17 Tarmac 52cm.
smaller size may have more clearance in the rear especially bike with flare around rear tire, simply because of steeper seat tube angle of the smaller frame. But that is not certain.