KEY PERFORMANCE FACTORS
SYSTEM OPTIMIZATION
The frameset, wheels, cockpit and other parts were engineered, developed and tested together to perform as a system. The all-new Contact AeroLight stem allows for cable routing that integrates the top cap, cables and spacers in a more aerodynamic, user-friendly setup.
WINNING EFFICIENCY
Featuring a greater stiffness-to-weight ratio than the previous generation, along with new aero tube shaping and a lighter overall weight, this uncompromising race bike delivers explosive acceleration and unyielding pedaling stiffness. The result is race-winning performance in the moments that count.
INTEGRATED AERODYNAMICS
All tube shapes were engineered and developed using Computational Fluid Dynamics (CFD) modeling and wind-tunnel testing. From the truncated ellipse shape of frameset tubing to a new cockpit design and component integration, it all adds up to a more streamlined profile that improves overall aero performance compared to the previous generation.
MADE FASTER
Newly integrated components including the Contact AeroLight stem create a sleeker, more aero profile. The Variant seatpost adds just enough compliance for a balanced, race-tuned feel on the road, while generous tire clearance (up to 33mm) and compliant wheels keep you rolling with speed on smooth or bumpy roads.
TECHS & FEATURES

ADVANCED COMPOSITE TECHNOLOGY
Giant’s High Performance Grade raw carbon material is used to produce this custom frame material in our own composite factory with a high stiffness-to-weight ratio. The front triangle of these framesets is assembled and moulded as one continuous piece in a proprietary manufacturing process called Modified Monocoque Construction.

COMPACT ROAD DESIGN
Introduced by Giant with the professional Team ONCE in the 1990s, Compact Road revolutionized the look and feel of high-performance road bikes forever. A downward sloping toptube (from the headtube to the seattube) creates smaller front and rear triangles for a lighter, stiffer bike. It also makes it easier for riders of all sizes to have a perfect fit.

TUBELESS SYSTEM
Fewer flat tyres. Greater traction. Less rolling resistance and a smoother, faster ride. Giant’s Tubeless System makes it easier than ever to experience all these benefits.
SIZING GUIDE AND GEOMETRY
Sizing to be used as a reference only. Please check with a local authorized dealer to determine the correct size.
Available sizes may vary from country to country.
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$5,199.00( / )Unavailable
-
Giant 2026 Regin Advanced E+ 2
$10,999.00( / )Unavailable -
Giant 2026 Regin Advanced E+ 1
$12,999.00( / )Unavailable -
Giant 2026 Regin Advanced E+ 0
$18,999.00( / )Unavailable -
$5,499.00( / )Unavailable
-
$7,299.00( / )Unavailable
-
$3,249.00
$6,599.00( / )Unavailable -
-
$4,249.00
$5,499.00( / )Unavailable -
$5,999.00
$9,499.00( / )Unavailable -
Giant Cross City Disc 2 - 2025
$899.00$1,099.00( / )Unavailable -
$1,598.00
$1,799.00( / )Unavailable






















