Specifications Bottom bracket shimano dura-ace 9000 Brake calipers shimano dura-ace 9000 Cassette shimano dura-ace 9000, 11-28 Chain shimano cn-hg900 Crankset shimano dura-ace 9000, 52/36 Fork addict hmx, 1 1/8" - 1 1/4" Frame material hmx-sl, imp superlight carbon Front derailleur shimano dura-ace di2 9070 Handlebar syncros rr1.1 carbon Headset ritchey wcs integrated Pedals not included Rear derailleur shimano dura-ace di2 9070 Saddle prologo zero ii cpc carbon Seatpost syncros carbon fl1.0, 27.2mm Shifters / levers shimano dura-ace di2 9070 Stem syncros fl1.0 carbon Tires continental grand prix 4000 s ii, 700x23c Wheel - front zipp dura-ace wh-9000 c24 Wheel - rear zipp dura-ace wh-9000 c24