Used Giant OCR C3, Carbon Fiber Road Bike - 2005, 52cm (Small)Brand Giant Model OCR C3 Size 52cm (Small) 55 57 Frame Material Carbon Fiber Weight 19 lbs 02 oz Year 2007 Build Fork Giant, Carbon Fiber Brakes Dual pivot alloy, Caliper Side Pull Shifters Shimano 105 5600, Mechanical Front Derailleur Shimano 105 5600 Rear Derailleur Shimano 105 5600 Crankset Shimano R600, 50 34t, 170mm Cassette Shimano HG, 10spd, 12 28t Chain KMC Handlebar Easton EA30, Alloy Stem Unbranded, Alloy Seatpost Unbranded, Carbon Saddle