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Giant Defy Advanced Pro 1 Road Bike 2016
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Giant Defy Advanced Pro 1 Road Bike 2016

Product Code: 143859

Engineered for real-world performance, even on rough roads and the longest days. The Advanced-grade composite frame features endurance geometry with the perfect blend of light weight, stiffness and road-smoothing compliance. The OverDrive 2 steerer tube and full composite fork work together to boost front-end stiffness and precision. New disc brake technology and the vibration-damping D-Fuse seatpost enhance control and comfort. And the PowerCore bottom bracket turns every pedal stroke into positive forward motion, helping you stay strong all the way to the finish.


  • Advanced-grade composite frame with D-Fuse SL composite seatpost
  • Advanced-grade composite fork with full-composite OverDrive 2 steerer
  • Giant SLR 1 Disc WheelSystem with Giant P-SLR 1 folding tyres
  • Shimano RS785 hydraulic disc brakes
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Product Specifications


Sizes XS, S, M, M/L, L, XL
Colours Dark Silver/Black/Yellow
Frame Advanced-grade composite
Fork Advanced-grade composite, Full-composite OverDrive 2 steerer
Shock N/A


Handlebar Giant Contact SL, 31.8mm
Stem Giant Contact SL, OverDrive 2
Seatpost Giant D-Fuse SL, Composite
Saddle Giant Contact SL Neutral
Pedals N/A


Shifters Shimano RS785 Di2 Electronic 22 speed
Front Derailleur Shimano Ultegra Di2
Rear Derailleur Shimano Ultegra Di2
Brakes Shimano RS785, Hydraulic disc, 140mm
Brake Levers Shimano RS785, Hydraulic disc
Cassette Shimano Ultegra 11x28, 11-speed
Chain KMC X11SL
Crankset Shimano Ultegra, 34/50
Bottom Bracket Shimano, Press Fit


Rims Giant SLR 1 Disc WheelSystem; 30mm deep, 23mm wide, Full-composite
Hubs Giant SLR 1 Disc WheelSystem; Pawl driver, [F] 20h [R] 24h
Spokes Giant SLR 1 Disc WheelSystem; Sapim Race stainless
Tyres Giant P-SLR 1, 700x25, Front and rear specific, Folding


Extras RideSense
Weight The most accurate way to determine any bike’s weight is to have your local dealer weigh it for you. Many brands strive to list the lowest possible weight, but in reality weight can vary based on size, finish, hardware and accessories. All Giant bikes are designed for best-in-class weight and ride quality.
15.9% Finance subject to status, written quotations on request.
Increase minimum deposit: £
Finance Period Value Minimum Deposit Remaining Monthly Payment Total Payment Total Interest Select Finance
Buy without finance
12 £2599.00 £260 £2339.10 £210.95 £2791.30 £192.30
24 £2599.00 £260 £2339.10 £113.24 £2977.66 £378.66
36 £2599.00 £260 £2339.10 £80.91 £3172.66 £573.66
* Prices are estimates and will be calculated at checkout based on your minimum deposit.
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  • 4/5 Stars
Giant Defy Advanced Pro 1 Road Bike 2016