2026
Propel Advanced SL
The 2026 Giant Propel Advanced SL is a road bike offered in 5 sizes, XS to XL. Reach runs from 376 to 412 mm and stack from 517 to 596 mm. It ships with Shimano Ultegra R8150 and Giant SLR 1 50.
Every number on this page was confirmed by at least two independent sources. Where the catalog cannot yet stand behind a figure, the cell says so instead of guessing. Verified against giant-bicycles.com and at least one independent source. Last checked .
Key facts
- Brand
- Giant
- Model
- Propel
- Model year
- 2026
- Frame
- Advanced SL
- Type
- Road
- Sizes
- XS, S, M, L, and XL
- Verified measurements
- 50 of 50
- Verified against
- giant-bicycles.com and at least one independent source
- Last checked
Geometry by size
Millimeters unless the row says degrees. Scroll sideways for the larger sizes.
| Measurement | XS | S | M | L | XL |
|---|---|---|---|---|---|
| Reach(mm) | 376mm | 383mm | 388mm | 402mm | 412mm |
| Stack(mm) | 517mm | 528mm | 545mm | 581mm | 596mm |
| Head tube angle(°) | 71° | 72.3° | 73° | 73° | 73° |
| Seat tube angle(°) | 74.5° | 74° | 73.5° | 73° | 72.5° |
| Effective top tube(mm) | 520mm | 535mm | 550mm | 580mm | 600mm |
| Chainstay length(mm) | 405mm | 405mm | 405mm | 405mm | 405mm |
| Wheelbase(mm) | 976mm | 977mm | 980mm | 1006mm | 1020mm |
| BB drop(mm) | 72mm | 70mm | 70mm | 67mm | 67mm |
| Standover(mm) | 734mm | 755mm | 775mm | 821mm | 834mm |
| Head tube length(mm) | 120mm | 130mm | 145mm | 185mm | 200mm |
50 of 50 measurements verified.✓Verified, two or more sources agree
2026 Giant Propel Advanced SL drawn to scale
Stock build
16 partsSpecs shown only where two or more sources agree.
Frame
Giant Advanced SL-grade Composite
Drivetrain
Shimano Ultegra R8170 Di2
Shimano Ultegra R8150
Shimano Ultegra R8150
Shimano Ultegra
Shimano XT M8100
Shimano Ultegra
Wheels & Tires
Giant SLR 1 50
Cadex Aero
Brakes
Shimano Ultegra Di2 hydraulic disc
Shimano RT-CL800
Shimano RT-CL800
Cockpit
Giant Contact SLR Aero
Giant Contact SLR Aero
Seatpost & Saddle
Giant Advanced SL-grade composite integrated
Giant Fleet SLR
Quick answers
- What sizes does the 2026 Giant Propel Advanced SL come in?
- It comes in 5 sizes: XS, S, M, L, and XL.
- What are the reach and stack of the 2026 Giant Propel Advanced SL in size M?
- In size M, reach is 388 mm and stack is 545 mm.
- What is the head tube angle of the 2026 Giant Propel Advanced SL?
- The head tube angle is 73 degrees in size M.
- What does the 2026 Giant Propel Advanced SL 1 ship with?
- The stock build includes Giant Advanced SL-grade Composite, Shimano Ultegra R8170 Di2, Giant SLR 1 50, and Shimano Ultegra Di2 hydraulic disc.
- Which years of the Giant Propel are in the catalog?
- The catalog has the Giant Propel for 2026.
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