Geometry ?
Triban Gravel 900 Titanium 2026 geometry in sizes XS–XL: stack 524–633 mm, reach 385–396 mm, head angle 69.8–71.5°.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Stack | 524 mm | 542 mm | 569 mm | 603 mm | 633 mm |
| Reach | 385 mm | 390 mm | 390 mm | 395 mm | 396 mm |
| Head angle | 69.8° | 70.8° | 71.5° | 71.5° | 71.5° |
| Seat angle | 75° | 74.5° | 73.5° | 73.5° | 73° |
| Seat tube (c-t) | 450 mm | 480 mm | 500 mm | 520 mm | 530 mm |
| Head tube | 105 mm | 120 mm | 141 mm | 175 mm | 205 mm |
| Top tube (effective) | 525 mm | 540 mm | 558 mm | 574 mm | 590 mm |
| Chainstay | 425 mm | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 1010 mm | 1012 mm | 1014.5 mm | 1016 mm | 1026 mm |
| Stock build by size | |||||
| Cranks | 170 mm | 170 mm | 172.5 mm | 172.5 mm | 172.5 mm |
| Stem | 60 mm | 70 mm | 80 mm | 90 mm | 100 mm |
| Bar width | 420 mm | 420 mm | 440 mm | 440 mm | 460 mm |
Source: decathlon.sk, checked 1 Nov 2026 · bar position: worked out from published data
Stock build
Gravel 900 Titanium GRX
- Groupset
- Shimano GRX 600/800 1×11
- Shifters
- Shimano GRX 600 (11s)
- Cranks
- Miranda 40T
- Stem
- alloy stem 31.8
- Handlebar
- Triban Gravel Comfort+ 16° flare
- Seatpost
- Triban aluminium 27.2
- Saddle
- Triban
Source: decathlon.sk, checked 1 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size XS (stack 524 / reach 385 mm).
Stack and reach within 12 mm of size S (stack 542 / reach 390 mm).
Stack and reach within 12 mm of size M (stack 569 / reach 390 mm).
Stack and reach within 12 mm of size L (stack 603 / reach 395 mm).
Stack and reach within 12 mm of size XL (stack 633 / reach 396 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 2 values for this model’s stem and bars. Add them