The Smoothie road race frame is agile and responsive. Excellent for stage races and competitive club rides. But also comfortable enough for daily commutes and charity rides. The semi-compact geometry allows for more standover clearance and fitting options, but we don't cheat you by only offering 5 sizes. In sizes 48 to 66cm! - Tange Prestige heat-treated butted CrMo steel front triangle; butted CrMo rear end - Semi-compact road geometry; responsive and stiff - Rear rack mounts - Optional matching carbon fork w/ alloy steerer available (The carbon fork may not fit some 28c tires); matching lugged steel fork available as well - 1-1/8" headtube (fits EC34/28.6|EC34/30 headsets) - Hub compatibility: 130mm QR - 27.2mm seatpost size - Max tire size: 28c - 8 sizes: 48, 52, 54, 56, 58, 60, 62 and 66cm (sizes do not go by seat tube length) - 4.1 lbs (54cm) - In Baja Blue Carbon Fork Matching Carbon Fork for Soma Smoothie – Carbon blades with extra long 350mm aluminum steerer – For short reach (39-49mm) caliper brakes and 700c wheels – 43mm rake – 1.25 lbs(614 g) w/uncut steerer – 34mm crown Steel Fork Matching steel fork for Soma Smoothie road frame. – Lugged construction with sloping crown – Designed for 49mm reach brakes and 700c wheels – 366mm axle to crown – Rake 43mm – 1-1/8″ OD CrMo steerer, 350mm long – 980g