Geometry ?
Twitter T10 Pro 2nd 2026 geometry in sizes 46–52: stack 520–549 mm, reach 367–379 mm, head angle 70.8–72.8°.
| 46 | 48 | 50 | 52 | |
|---|---|---|---|---|
| Stack | 520 mm | 533 mm | 541 mm | 549 mm |
| Reach | 367 mm | 373 mm | 376 mm | 379 mm |
| Head angle | 70.8° | 71.8° | 72.4° | 72.8° |
| Seat angle | 75° | 75° | 74.6° | 74.3° |
| Seat tube (c-t) | 455 mm | 465 mm | 475 mm | 485 mm |
| Head tube | 115 mm | 125 mm | 131 mm | 138 mm |
| Top tube (effective) | 501 mm | 510 mm | 520 mm | 529 mm |
| BB drop | 71 mm | 71 mm | 71 mm | 71 mm |
| Chainstay | 410 mm | 410 mm | 410 mm | 410 mm |
| Wheelbase | 975 mm | 976 mm | 976.5 mm | 978.6 mm |
| Fork length | 377 mm | 377 mm | 377 mm | 377 mm |
Source: twitterbikeusa.com, checked 12 Nov 2026 · bar position: worked out from published data
Stock build
I don’t have the build for each size yet.
Frames with similar geometry
Stack and reach within 12 mm of size 46 (stack 520 / reach 367 mm).
SAVA Eldir (2026)size XXS · stack 522 / reach 367 mmLOOK 785 Huez / 785 Huez RS (2026)size XS · stack 519 / reach 365 mmBaum Orbis (2026)size 48 · stack 520 / reach 369 mmLitespeed Arenberg (2026)size XS · stack 520 / reach 365 mmLitespeed Arenberg FI (2026)size XS · stack 520 / reach 365 mmLightCarbon LCR018-D (2026)size 470 · stack 520 / reach 365 mm
Stack and reach within 12 mm of size 48 (stack 533 / reach 373 mm).
Origine Axxome 400 (2026)size S · stack 533 / reach 373 mmOrigine Axxome RS (2026)size S · stack 533 / reach 373 mmThompson RC-2 (2027)size S · stack 533 / reach 372 mmAllebike Arrow (2026)size S · stack 534 / reach 374 mmBasso Venta R (2026)size 48 · stack 534 / reach 372 mmMosso 710TCS (2026)size 500mm · stack 534 / reach 373 mm
Stack and reach within 12 mm of size 50 (stack 541 / reach 376 mm).
Accent Falcon (2026)size S · stack 542 / reach 376 mmGiant Contend (2025)size S · stack 541 / reach 375 mmGiant Defy Advanced (2027)size S · stack 541 / reach 375 mmGiant Defy Advanced Pro (2027)size S · stack 541 / reach 375 mmGiant Defy Advanced SL (2027)size S · stack 541 / reach 375 mmGiant Contend SL Disc (2026)size S · stack 541 / reach 375 mm
Stack and reach within 12 mm of size 52 (stack 549 / reach 379 mm).
BMC Roadmachine (2026)size 51 · stack 550 / reach 379 mmBMC Roadmachine (2027)size 51 · stack 550 / reach 379 mmBMC Roadmachine 01 (2026)size 51 · stack 550 / reach 379 mmBMC Roadmachine 01 (2027)size 51 · stack 550 / reach 379 mmPrincipia XOC (2026)size M · stack 549 / reach 378 mmBoardman SLR (carbon C10) (2025)size SM · stack 548 / reach 378 mm
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 6 values for this model’s stem and bars. Add them