Joined: Sep 2014
Posts: 595
Likes: 125
From: Southern California
Bikes: Bianchi Oltre XR4 Celeste, De Rosa SK Pininfarina, Giant TCR SL, Giant Revolt Advanced Revolt 0 Gravel Bike, Trek Madone SLR, Cervelo R5 Disk
29 is bigger than 27. Bigger is better. I go with 700c on mine. 700 is bigger than 29