Good to know: Configurable build
Configurable build (at least partly: the cockpit or bar width, for example). The stock build below is only one of the options.
Geometry ?
Ridley X-Night RS 2026 geometry in sizes XS–L: stack 497–573 mm, reach 382–405 mm, head angle 71.5–72°.
| XS | S | M | L | |
|---|---|---|---|---|
| Stack | 497 mm | 526 mm | 552 mm | 573 mm |
| Reach | 382 mm | 384 mm | 391 mm | 405 mm |
| Head angle | 71.5° | 72° | 72° | 72° |
| Seat angle | 74.5° | 74° | 73.5° | 73.5° |
| Seat tube (?) | 475 mm | 495 mm | 535 mm | 550 mm |
| Head tube | 90 mm | 115 mm | 140 mm | 160 mm |
| Top tube (effective) | 520 mm | 535 mm | 555 mm | 575 mm |
| BB drop | 53 mm | 60 mm | 62 mm | 64 mm |
| Chainstay | 425 mm | 425 mm | 425 mm | 425 mm |
| Wheelbase | 1000 mm | 1006 mm | 1020 mm | 1040 mm |
| Standover | 770 mm | 790 mm | – | 895 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: ridley-bikes.com, checked 13 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 497 / reach 382 mm).
Stack and reach within 12 mm of size S (stack 526 / reach 384 mm).
Stack and reach within 12 mm of size M (stack 552 / reach 391 mm).
Stack and reach within 12 mm of size L (stack 573 / reach 405 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