Product details
Integrated aerodynamics
AeroSystem Shaping, a result of CFD analysis and dynamic wind-tunnel testing, optimises aerodynamic performance at every yaw angle. The truncated ellipse airfoil tube shapes and Contact SLR Aero cockpit produce the best overall aero performance.
Easier adjustability
Cable routing through the stem and head tube makes it quicker and easier to adjust or change cockpit components and fine-tune performance and riding position.
Race-winning efficiency
Advanced SL-grade composite frameset features Giant’s pro-level composite materials and manufacturing processes. The result is 150 grams of weight savings compared to the previous generation and an even greater stiffness-to-weight advantage.
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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- XS
- 157 cm 169 cm
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- S
- 165 cm 175 cm
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- M
- 171 cm 181 cm
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- ML
- 177 cm 187 cm
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- L
- 183 cm 193 cm
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- XL
- 189 cm 199 cm

XS | S | M | ML | L | XL | |
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A Seat Tube Length (mm) | 680 | 710 | 740 | 770 | 800 | 830 |
B Seat Tube Angle | 74.5° | 74.0° | 73.5° | 73.0° | 73.0° | 72.5° |
C Top Tube Length (mm) | 520 | 535 | 550 | 565 | 580 | 600 |
D Head Tube Length (mm) | 120 | 130 | 145 | 165 | 185 | 200 |
E Head Tube Angle | 71.0° | 72.3° | 73.0° | 73.0° | 73.0° | 73.0° |
F Fork Rake (mm) | 45 | 45 | 45 | 45 | 45 | 45 |
G Trail (mm) | 70.5 | 62.5 | 57.8 | 57.8 | 57.8 | 57.8 |
H Wheelbase (mm) | 976 | 977 | 980 | 991 | 1006 | 1020 |
I Chain Stay Length (mm) | 405 | 405 | 405 | 405 | 405 | 405 |
J Bottom Bracket Drop (mm) | 72 | 70 | 70 | 67 | 67 | 67 |
K Stack (mm) | 517 | 528 | 545 | 562 | 581 | 596 |
L Reach (mm) | 376 | 383 | 388 | 393 | 402 | 412 |
M Stand Over Height (mm) | 734 | 755 | 775 | 794 | 821 | 834 |
O Stem Length (mm) | 80 | 90 | 100 | 110 | 110 | 120 |
P Crank Length (mm) | 165 | 165 | 170 | 170 | 172.5 | 172.5 |
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SizesXS, S, M, M/L, L, XL
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ColoursUltra Navy/Azure
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FrameAdvanced SL-grade Composite, 12x142mm thru-axle, integrated seatpost, disc
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ForkAdvanced SL-grade Composite, full-composite OverDrive Aero steerer, 12x100mm thru-axle, disc
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HandlebarGiant Contact SLR Aero XS:38cm, S:38cm, M:40cm, M/L:40cm, L:42cm, XL:42cm
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GripsStratus Lite 2.0
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StemGiant Contact SLR Aero XS:80mm, S:90mm, M:100mm, M/L:110mm, L:110mm, XL:120mm
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SeatpostAdvanced SL-grade composite, integrated design, -5/+15mm offset
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SaddleGiant Fleet SLR
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ShiftersShimano Ultegra Di2 ST-R8170
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Front DerailleurShimano Ultegra Di2 FD-R8150
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Rear DerailleurShimano Ultegra Di2 RD-R8150
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BrakesShimano Ultegra Di2 hydraulic, Shimano RT-CL800 rotors [F]160mm, [R]140mm
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Brake LeversShimano Ultegra Di2 hydraulic
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CassetteShimano Ultegra, 12-speed, 11x30
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ChainShimano Ultegra, CN-M8100
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CranksetShimano Ultegra, 36/52, with Giant Power Pro power meter, XS:165mm, S:165mm, M:170mm, M/L:170mm, L:172.5mm, XL:172.5mm
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Bottom BracketShimano, press fit
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RimsGiant SLR 1 50 Carbon Disc WheelSystem, [F]50mm, [R]50mm
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Hubs[F] Giant Low Friction Hub, CenterLock, [R] Giant Low Friction Hub, 30T ratchet driver, CenterLock, 12mm thru-axle
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SpokesSapim CX-Ray
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TiresCADEX Aero, tubeless, 700x25c (26.5mm), folding
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ExtrasComputer mount, water bottle cages, tubeless prepared, 30mm max tyre size
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Max Tyre Clearance30mm
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WeightThe 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 our bikes are designed for best-in-class weight and ride quality.
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Review 2026 Giant Propel Advanced SL 1 Ultra Navy/Azure