Geometry ?
Twitter Stealth Pro 2nd 2026 geometry in sizes XS–S: stack 505–519 mm, reach 363–373 mm, head angle 71.2°.
| XS | S | |
|---|---|---|
| Stack | 505 mm | 519 mm |
| Reach | 363 mm | 373 mm |
| Head angle | 71.2° | 71.2° |
| Seat angle | 74.3° | 74.3° |
| Seat tube (c-t) | 450 mm | 480 mm |
| Head tube | 100 mm | 110 mm |
| Top tube (effective) | 505 mm | 520 mm |
| BB drop | 74 mm | 74 mm |
| Wheelbase | 969 mm | 985 mm |
| Fork offset | 55 mm | 55 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 XS (stack 505 / reach 363 mm).
Winspace T1550 Gen 2 (2026)size XS · stack 505 / reach 363 mmBottecchia Aerospace (2026)size 47 · stack 505 / reach 365 mmElves Avari Pro Disc (2026)size 40 · stack 505 / reach 365 mmBisan Unique (2026)size 47 cm · stack 505 / reach 365 mmMosso 736TCA (2026)size 460mm · stack 507 / reach 364 mmRomet Jaguar 2 (2024)size S · stack 507 / reach 364 mm
Stack and reach within 12 mm of size S (stack 519 / reach 373 mm).
Accent Cyclone Disc Carbon (2026)size XS · stack 518 / reach 372 mmCannondale SuperSix EVO (gen 4) (2023)size 48 · stack 520 / reach 374 mmCondor Fratello Disc (2026)size 46 · stack 518 / reach 374 mmDare Ma Afo (2026)size S · stack 520 / reach 374 mmDare Pa Afo (2026)size S · stack 520 / reach 374 mmEquator Raiden Titanium G2 (2026)size S · stack 520 / reach 372 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