Kestrel RT-1000 Shimano 105 Bicycle Sizes: 47cm, 50cm, 53cm, 56cm, 59cm, 62cm Main Frame: Kestrel Enhanced Modulus Hybrid (EMH) 700K &amp; 800K Carbon Fiber Rear Triangle: EMH Carbon Fiber With Replaceable Derailleur Hanger Fork: EMH Full Carbon, 1 1/8" - 1 1/2" Tapered Steerer Wheelset: Oval Concepts 527, 700c, 18/24H, cartridge bearing hubs