Good to know: Sold as a frameset only
Sold as a frameset only You choose the stem and bars yourself, so I use the stem length that makes the size fit you. according to the manufacturer’s website
Geometry ?
Ritchey Septimer Break-Away Carbon 2026 geometry in sizes S–XL: stack 542–614 mm, reach 380–415 mm, head angle 70.8–72.5°.
| S | M | L | XL | |
|---|---|---|---|---|
| Stack | 542 mm | 569 mm | 591 mm | 614 mm |
| Reach | 380 mm | 388 mm | 400 mm | 415 mm |
| Head angle | 71° | 70.8° | 71.5° | 72.5° |
| Seat angle | 74° | 73.5° | 73.5° | 73° |
| Seat tube (c-t) | 480 mm | 515 mm | 525 mm | 535 mm |
| Head tube | 120 mm | 150 mm | 170 mm | 190 mm |
| Top tube (effective) | 535 mm | 557 mm | 575 mm | 603 mm |
| BB drop | 75 mm | 75 mm | 75 mm | 75 mm |
| Chainstay | 440 mm | 440 mm | 440 mm | 440 mm |
| Wheelbase | 1027 mm | 1046 mm | 1059 mm | 1071 mm |
| Standover | 775 mm | 809 mm | 824 mm | 838 mm |
| Fork length | 393 mm | 393 mm | 393 mm | 393 mm |
| Fork offset | 50 mm | 50 mm | 50 mm | 50 mm |
Source: ritcheylogic.com, checked 1 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 S (stack 542 / reach 380 mm).
Bianchi Via Nirone 7 (gravel) (2026)size 50 · stack 541 / reach 380 mmBlackHeart Allroad Ti (2026)size 49/XS · stack 542 / reach 379 mmConor Selva (2026)size XS · stack 543 / reach 380 mmRaymon Kenthii (2026)size S · stack 541 / reach 380 mmSage Titanium Barlow (2026)size 52cm · stack 542 / reach 379 mmSeven G-747 (Aero Fit) (2026)size 52 · stack 543 / reach 380 mm
Stack and reach within 12 mm of size M (stack 569 / reach 388 mm).
Rose Backroad AL (2027)size S · stack 568 / reach 387 mmEddy Merckx Corsa Strasbourg (2026)size S · stack 569 / reach 387 mmNS Bikes Rag+ (2026)size M · stack 569 / reach 387 mmRidley Kanzo Adventure (2026)size S · stack 569 / reach 387 mmRondo Hvrt CF (2026)size L56 · stack 570 / reach 388 mmAlchemy Lycos (2026)size M · stack 570 / reach 387 mm
Stack and reach within 12 mm of size L (stack 591 / reach 400 mm).
Bianchi Via Nirone 7 (gravel) (2026)size 57 · stack 591 / reach 400 mmColnago G4-X (2026)size 540 · stack 591 / reach 400 mmColnago G5-X (2026)size 540 · stack 591 / reach 401 mmConway Nyvo Carbon (2027)size L · stack 592 / reach 400 mmCrust Evasion Lite (2026)size Large · stack 590 / reach 400 mmEddy Merckx Corsa Strasbourg (2026)size M · stack 591 / reach 401 mm
Stack and reach within 12 mm of size XL (stack 614 / reach 415 mm).
Allied ABLE (2026)size 61 · stack 615 / reach 415 mmTideace Fm GV208 (2026)size XL · stack 614 / reach 416 mmOpus Odyssée (2026)size L · stack 612 / reach 415 mmAdris Vadrouille (2026)size XL · stack 616 / reach 415 mmGuava ACE (2026)size XL · stack 612 / reach 414 mmGiant Revolt Advanced SL (2027)size XL · stack 616 / reach 413 mm
Spotted a mistake or a missing build? Let me know.