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An endurance road bike with an Advanced Composite carbon frame and fork, Shimano 105 Di2 shifting, Giant P-R1 Disc wheels, and 700x32c tubeless tires.
Detailed Description
Giant has been one of the leading bicycle manufacturers for many years. Their range includes not only full-suspension models with the legendary Maestro suspension system but also road, cyclocross,…
More about the brand GiantAn endurance road bike with an Advanced Composite carbon frame and fork, Shimano 105 Di2 shifting, Giant P-R1 Disc wheels, and 700x32c tubeless tires.
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Some parts of this page are translated automatically, so please excuse any imperfections.
Giant Defy Advanced 1 road bike Obsidian Pulse is an endurance road bike designed for long rides and gran fondo-style marathon events. It sits in the mid to upper performance category, where pedaling efficiency, stability, and comfort on rough asphalt are key. The build is based on electronic shifting and tubeless tires in the 700c standard.
The frame is made from Advanced Composite carbon with Modified Monocoque Construction and 12x142 mm thru-axles. The fork is Advanced Composite with a full-carbon OverDrive steerer tube and a 12x100 mm thru-axle. The geometry follows an endurance concept with an emphasis on stability and precise handling via the OverDrive headset—1 1/4" at the bottom and 1 1/8" at the top. The bike comes in sizes XS to XL, with a reach range of 369–402 mm and a stack of 527–615 mm. Chainstay length is 420 mm, which helps it hold a line in fast descents and on rougher surfaces.
Drivetrain: Shifting is handled by Shimano 105 Di2 with 12 speeds, including the matching front derailleur and rear derailleur. Shimano 105 34/50 crankset and a Shimano 105 11–36 cassette are complemented by a Shimano press fit bottom bracket.
Brakes: Shimano 105 Di2 hydraulic disc brakes use Shimano SM-RT64 rotors. Rotor diameter is 160 mm front and 160 mm rear.
Wheels and tires: Giant P-R1 Disc wheelset features aluminum rims with a 25 mm depth and Sapim spokes. Giant Gavia Fondo 0 tubeless tires in 700x32c come factory-prepped for tubeless use.
Cockpit: Giant Contact SL D-Fuse handlebars and a Giant Contact AeroLight stem are chosen based on frame size. The Giant D-Fuse composite seatpost has a 14mm offset, and the saddle is a Giant Approach.
The Advanced Composite carbon frame combines high torsional stiffness around the bottom bracket with targeted compliance in the rear triangle. The D-Fuse system in the handlebars and seatpost damps vibrations, making it easier to maintain steady power over long efforts. OverDrive increases front-end stiffness, which translates into precise tracking under disc braking. 700x32c tubeless tires broaden the usable pressure range and improve traction on rough asphalt and cobbles.
The Defy Advanced 1 is intended for riders who want an endurance road bike with electronic shifting and disc brakes. It’s well suited to long training rides, multi-stage outings, and gran fondo events where smooth pavement alternates with rougher surfaces. Compared to race-tuned road bikes, it places greater emphasis on stability and wider tires.
EAN: 4711291290730
Manufacturer: Giant Manufacturing Co. Ltd No. 999, Sec. 1, Dongda Rd., Xitun Dist., Taichung City, 40763, Taiwan giant@progresscycle.cz, http://www.giant-bicycles.com/
Importer within the EU: Progress Cycle, a. s., Palouky 1371, 253 01 Hostivice, Česká republika, +420 241 771 181, info@progresscycle.cz, www.progresscycle.cz
Advanced Composite, 12x142mm thru-axle, disc
OverDrive, 1 1/4" lower, 1 1/8" upper
Advanced Composite, full-composite OverDrive steerer, 12x100mm thru-axle, disc
Obsidian Pulse/Chrome
Giant P-R1 Disc wheelset
Giant Gavia Fondo 0, tubeless, 700x32c (33.5mm), folding
Giant P-R1 Disc, alloy, [F]25mm, [R]25mm
Giant alloy, 12mm thru-axle
Sapim
Shimano 105 Di2
Shimano 105 Di2
Shimano 105 Di2
Shimano 105, 34/50 XS:165mm, S:165mm, M:170mm, M/L:170mm, L:172.5mm, XL:172.5mm
Shimano 105, 12-speed, 11x36
Shimano, press fit
KMC X12L-1
Giant Contact SL D-Fuse XS:404/380mm, S:404/380mm, M:424/400mm, M/L:424/400mm, L:444/420mm, XL:444/420mm
Giant Contact AeroLight XS:80mm, S:90mm, M:100mm, M/L:100mm, L:110mm, XL:110mm
Stratus Lite 3.0
Shimano 105 Di2 hydraulic, Shimano SM-RT64 rotors [F]160mm, [R]160mm
Shimano 105 Di2
Shimano SM-RT64, [F]160mm, [R]160mm
Giant Approach
Giant D-Fuse, composite, 14mm offset
Tubeless prepared, tubeless tape and valves installed in the rims, maximum tire width 40mm
M (510 - 530 mm)
Carbon
Mens / UNI
Disc
2027
Black
Road Cycling
Road Cycling
The wheel manufacturer reserves the right to change the wheel specification without any reason. In exceptional cases, the delivered product may differ from the stated specification and images due to improvements in availability or functionality of the wheel.
Giant has been one of the leading bicycle manufacturers for many years. Their range includes not only full-suspension models with the legendary Maestro suspension system but also road, cyclocross,…
More about the brand GiantDo you need help choosing the right product?
Contact us.
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Für Versand nach Deutschland, besuchen Sie bitte Giant Defy Advanced 1 Rennrad Obsidian Pulse
Für Versand nach Österreich, besuchen Sie bitte Giant Defy Advanced 1 Rennrad Obsidian Pulse
Chcesz dostarczyć towar do Polski? Sprawdź Giant Defy Advanced 1 rower szosowy Obsidian Pulse
Chcete doručit zboží do České republiky? Prohlédněte si Giant Defy Advanced 1 silniční kolo Obsidian Pulse
Chcete doručiť tovar na Slovensko? Pozrite si Giant Defy Advanced 1 cestný bicykel Obsidian Pulse
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