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Kestrel 4000 LTD - Ultegra Di2 TT Bike

Everyone claims to have the fastest bike on the market, but Kestrel have actually produced it. They took the 4000 frameset and its components to the A2 Wind Tunnel and tested it from every angle, with multiple parts, in order to design a superbike that performs just as well in the wind tunnel as it does on the lava fields of Hawaii. Not only is the 4000 outrageously fast, it's one of the best fitting, most comfortable bikes on the market because they know that after 112 miles on the bike... your body's still got 26.2 to go.



  • Frame: 800K High Modulus Carbon Fibre, 800K High Modulus Carbon Fibre With Replaceable/Adjustable Dropouts
  • Forks: Kestrel EMS Pro SL TT Full Carbon, 1 1/8" - 1 1/4", Tapered Steerer


  • Chainset: Vision Trimax Pro Aluminum TT 52/38T (47cm, 50cm: 170mm; 52.5cm, 55cm: 172.5mm; 57.5cm, 59.5cm: 175mm)
  • Bottom Bracket: FSA Integrated, BB30
  • Brake/Shift Levers: Shimano Ultegra Di2 for TT/Tri, 20-sp, Flight Deck Compatible
  • Front Derailleur: Shimano Ultegra Di2, Braze-on
  • Rear Derailleur:Shimano Ultegra Di2, 10-sp
  • Cassette: Shimano Ultegra, 11-25T
  • Chain: KMC X10 Nickel-plated 10-sp


  • Rims: Oval Concepts 981 Carbon Clincher, 81mm rim, 16H Front, 20H Rear 700c
  • Front Hub:16H Front
  • Rear Hub: 20H Rear
  • Tyres: Hutchinson Atom Comp 700 X 23c


  • Front Brake: TRP 920 Forged Aero Centre Pull
  • Rear Brake: TRP 920 Forged Aero Centre Pull
  • Handlebars: Oval Concepts 950 Carbon Base Bar, Oval Concepts 950 Clip On Ergo Bend Extensions
  • Handlebar Tape: Kestrel Suede Tape
  • Headset: FSA CX Integrated 1 1/4" Top, 1 1/4" Bottom with 10mm Top Cover and Cable Guide
  • Stem: Oval Concepts 713 7050 3D-forged Alloy, 31.8mm +/- 6 degrees (47cm, 50cm: 80mm; 52.5cmcm, 55cm: 90mm; 57.5cm, 59.5cm: 100mm)
  • Saddle: Oval Concepts 700 Triathlon w/ CrN-Ti Alloy Rails
  • Seatpost: Kestrel EMS Pro w/ Ritchey Clamp System

Weight: 19.48lbs / 8.86kg

Buy Kestrel Bikes from Chain Reaction Cycles, the World's Largest Online Bike Store.

  • Colour: White
  • Frame Size: 52.5cm (20.75")
  • Gender: Male
  • Speed: 20 Speed
  • Material: Carbon