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Propel Advanced SL 1 Disc (2020) | bike



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If speed is your obsession, this is your bike. You train, you put in the work, and this aero machine does the rest. Built to give you an edge when it really counts – on the attack, in the sprint, going all out – it delivers energy-saving efficiency and race-winning aero performance.

Developed and proven by the fastest sprinters on the CCC Team WorldTour squad, the Propel Advanced SL Disc delivers ultimate speed through integrated aerodynamics. It’s engineered with Giant’s AeroSystem Shaping technology, which means every tube shape and angle is optimised for minimal drag. These tubes feature a “truncated ellipse” shape, which also result in a frame that is ultra-stiff and superlight. Disc-brake technology is integrated into the frameset with flat-mount calipers and thru-axles for optimal wheel stiffness and braking performance. For pro-level road performance and the ultimate aero advantage, the new Propel Advanced SL Disc puts you way ahead of the pack.

Key Performance Factors

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.

Total control

Integrated disc brakes deliver powerful stopping power and modulation for added control in variable weather. Thru-axles boost stiffness and improve overall handling and an integrated WheelSystem with a 65mm rear rim and 42mm front rim optimizes aerodynamics and control.

Unrivalled efficiency

Advanced SL-grade carbon composite frameset features Giant’s highest performance materials and manufacturing processes for optimised stiffness and the lowest weight in its category.

Sizes S, M, ML, L
Colours Gloss Rainbow White / Gunmetal Black / Chrome Decal
Frame Advanced SL-Grade Composite, integrated seatpost, disc
Fork Advanced SL-Grade Composite, full-composite OverDrive 2 steerer, disc
Shock N/A
Handlebar Giant Contact SLR Aero
Stem Giant Contact SLR Aero
Seatpost integrated design
Saddle Giant Contact SLR (forward)
Pedals N/A
Shifters SRAM Force eTap AXS
Front Derailleur SRAM Force eTap AXS
Rear Derailleur SRAM Force eTap AXS
Brakes SRAM Force eTap AXS hydraulic
Brake Levers SRAM Force eTap AXS hydraulic
Cassette SRAM Force, 12-speed, 10×28
Chain SRAM Force D1
Crankset SRAM Force D1 DUB, 35/48 with Quarq DZero power meter
Bottom Bracket SRAM DUB, press fit
Rims Giant SLR 1 Aero Disc Composite WheelSystem ( F:42mm, R:65mm)
Hubs Giant SLR 1 Aero Disc WheelSystem, 12mm thru-axle
Spokes Giant SLR 1 Aero Disc WheelSystem
Tyres CADEX Race 25, tubeless,700×25, folding
Extras RideSense Bluetooth,race axle


    XS M S ML L L
A SEAT TUBE LENGTH 680 740 710 770 790 790
B SEAT TUBE ANGLE 74.5 73 73.5 73 73 73
C TOP TUBE LENGTH 515 550 535 570 580 580
D HEAD TUBE LENGTH 120 145 130 165 185 185
E HEAD TUBE ANGLE 71 73 72.5 73 73 73
F FORK RAKE 45 45 45 45 45 45
G TRAIL 70 57 60 57 57 57
H WHEEL BASE 972 976 970 997 1007 1007
I CHAIN STAY LENGTH 405 405 405 405 405 405
J BOTTOM BRACKET DROP 70 68 68 65 65 65
K STACK 517 545 529 562 581 581
L REACH 372 383 378 398 402 402
M STAND OVER HEIGHT 744 787 769 807 829 829
N HANDLERBAR WIDTH 400 420 400 420 440 440
O STEM LENGTH 80 100 90 110 110 110
P CRANK LENGTH DEC 170 172.5 170 172.5 175 175
Q WHEEL SIZE ALT 700C 700C 700C 700C 700C 700C

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