Vintage Campagnolo Chorus 11 Speed Carbon Fiber Parts Group 172.5mm Crank with 2×11 53t & 39t Chainrings. Nice used Vintage Campagnolo Chorus 2x 11 Speed Carbon Fiber Road Bike Group. Campagnolo Ultra Torque System 172.5mm Carbon Fiber Crank with double 53 tooth and 39 tooth 135 BCD Chain Rings. Campy Sealed bearing ISO 1.370 x 24t Bottom Bracket. Rear C11 Carbon Derailleur Front C11 Derailleur with 35mm GPS Compatible clamp, looks like the Front Derailleur can be removed from the clamp to use as braze on. Nice Chorus 11 Carbon Fiber Shifters / Brake levers 2 x 11. C11 Chain, C11 12-25 Cassette with one cracked plastic spacer. Included Athena Skeleton rear brake caliper and Front Athena? Calipers are Not Chorus 11. The Group is Used, low miles, chaingrings show slight wear but they are steel and still have lots of life left, BB bearings could use a tad bit on new lube when installed, real nice parts but may have nicks, scratches, & blemishes as used parts would, possibly could use further detailing and lubrication. Comes as Shown and what’s shown weighs a tad over 4 1/2 lbs. Need Other Groups or Assemblies of Vintage Components? Lux Low Bikes suppling parts for your Gravel Grinder, Vintage Road Bike, Randonneur Tour Bike, French Hiker, Antique Racer, Club Bike, Track Bike, Fixed Gear, Urban Street Machine, Antique Bike Restoration, Vintage Ratty Mc Rat Rod, or Custom Schwinn Chopper Bicycle Project. If you have a problem with your order, We strongly suggest emailing us first for our best solution to the problem. We Hope You Enjoy Bikes as Much as We Do, Check Out the new look of Lux Low our Ever Growing Bicycle Portfolio of Antique and Vintage Bicycles from 1890 to 1990. We Specialize in Full Antique Bicycle Restoration, Custom Chopper Bicycles, Antique Wood Wheel Safety Bicycles, Vintage Cruiser Patina Restores, and Vintage Road & Racing Bikes. We Excel in Patina Wood Wheel Restores: Miami, Racycle, Mead, Ranger, Dayton, Iver Johnson, Spalding, Pope, Columbia, Sterling, and Repainting Schwinn Krate, Stingray and Ballooner Bikes, Prewar Elgin, Colson, Shelby, Dayton Huffman, Cleveland Welding, Hawthorne, Roadmaster, and Dope Azz Custom Bikes.