Geometry ?
GT Grade Carbon 2024 geometry in sizes SM–XL: stack 550–630 mm, reach 385–445 mm, head angle 70°.
| SM | MD | LG | XL | |
|---|---|---|---|---|
| Stack | 550 mm | 577 mm | 603 mm | 630 mm |
| Reach | 385 mm | 405 mm | 425 mm | 445 mm |
| Head angle | 70° | 70° | 70° | 70° |
| Seat angle | 73° | 73° | 73° | 73° |
| Seat tube (?) | 450 mm | 500 mm | 550 mm | 600 mm |
| Head tube | 106 mm | 134 mm | 162 mm | 191 mm |
| Top tube (effective) | 553 mm | 581 mm | 609 mm | 638 mm |
| BB drop | 75 mm | 75 mm | 75 mm | 75 mm |
| Chainstay | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1040 mm | 1069 mm | 1099 mm | 1129 mm |
| Standover | 730 mm | 753 mm | 792 mm | 816 mm |
| Fork offset | 55 mm | 55 mm | 55 mm | 55 mm |
| Stock build by size | ||||
| Cranks | 170 mm | 172.5 mm | 172.5 mm | 175 mm |
| Stem | 80 mm | 80 mm | 80 mm | 80 mm |
| Bar width Grade Carbon Pro | 420 mm | 440 mm | 440 mm | 460 mm |
| Bar width Grade Carbon Elite | 420 mm | 420 mm | 440 mm | 460 mm |
(?) by the seat tube length: the manufacturer doesn’t say whether it’s measured centre to centre (c-c) or centre to top (c-t).
Source: gtbicycles.com, checked 1 Nov 2026 · bar position: worked out from published data
Stock build
Grade Carbon Pro ≈ €2,668
- Groupset
- Shimano GRX 2×11 (RX810 RD, 11-34)
- Cranks
- Shimano GRX RX600 46/30T
- Stem
- GT 3D Forged SL Alloy, 31.8
- Handlebar
- GT DropTune Super Light, Double Butted 6061 Alloy, Flat Top, 16° Flare
- Seatpost
- GT Carbon, 27.2 mm 350 mm (S/M/L), 400 mm (XL)
- Saddle
- WTB Silverado SL Fusion
- List price
- US$2,900 (gtbicycles.com, 1 Nov 2026)
Grade Carbon Elite ≈ €2,300
- Groupset
- Shimano GRX 400 2×10 (11-34)
- Shifters
- Shimano GRX 400 2×10
- Cranks
- Shimano GRX RX600 46/30T
- Stem
- GT 3D Forged SL Alloy, 31.8 mm
- Handlebar
- GT DropTune RS, alloy, 16° flare
- Seatpost
- GT Alloy, 27.2 mm, 350 mm (S/M/L), 400 mm (XL)
- Saddle
- WTB Silverado
- List price
- US$2,500 (gtbicycles.com, 1 Nov 2026)
Source for all builds: gtbicycles.com, checked 1 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size SM (stack 550 / reach 385 mm).
Stack and reach within 12 mm of size MD (stack 577 / reach 405 mm).
Stack and reach within 12 mm of size LG (stack 603 / reach 425 mm).
Stack and reach within 12 mm of size XL (stack 630 / reach 445 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 4 values for this model’s stem and bars. Add them