Good to know: Integrated cockpit
Integrated cockpit (a one-piece bar and stem) on at least one build. Changing the length means replacing the whole cockpit, and not every length exists. Check which length the bike actually ships with before you buy.
Geometry ?
Koga ROQA 2026 geometry in sizes XS–XL: stack 541–629 mm, reach 374–397 mm, head angle 70–71.5°.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Stack | 541 mm | 564 mm | 589 mm | 608 mm | 629 mm |
| Reach | 374 mm | 378 mm | 381 mm | 390 mm | 397 mm |
| Head angle | 70° | 71° | 71.5° | 71.5° | 71.5° |
| Seat angle | 74.5° | 74° | 73.5° | 73.5° | 73° |
| Seat tube (c-t) | 460 mm | 490 mm | 510 mm | 530 mm | 560 mm |
| Head tube | 120 mm | 140 mm | 165 mm | 185 mm | 205 mm |
| Top tube (effective) | 525 mm | 540 mm | 555 mm | 570 mm | 590 mm |
| BB drop | 69 mm | 69 mm | 69 mm | 69 mm | 69 mm |
| Chainstay | 430 mm | 430 mm | 430 mm | 430 mm | 430 mm |
| Wheelbase | 1024 mm | 1026 mm | 1032 mm | 1047 mm | 1056 mm |
| Fork offset | 50 mm | 50 mm | 50 mm | 50 mm | 50 mm |
Source: koga.com, checked 1 Nov 2026 · bar position: worked out from published data
Manufacturer’s data sheet (PDF)
An older model year in the archive with the same stack, reach and head angle: 2024. Source: koga.com
Stock build
ROQA Prime €4,799
- Groupset
- Shimano Ultegra Di2 2×12
- Shifters
- Shimano Ultegra Di2 R8170
- Cranks
- Shimano Ultegra R8100 52-36T
- Stem
- KOGA with fully integrated cable guidance
- Handlebar
- KOGA Endurance Ergo
- Seatpost
- KOGA ROQA carbon 31.8 mm
- Saddle
- Selle San Marco Shortfit Carbon
- List price
- €4,799 (koga.com, 1 Nov 2026)
ROQA Premium €3,799
- Groupset
- SRAM Rival AXS 2×12
- Shifters
- SRAM Rival AXS
- Cranks
- SRAM Rival 46-33T
- Stem
- KOGA with fully integrated cable guidance
- Handlebar
- KOGA Endurance Ergo
- Seatpost
- KOGA ROQA carbon 31.8 mm
- Saddle
- Selle San Marco Shortfit Magnesium
- List price
- €3,799 (koga.com, 1 Nov 2026)
ROQA Allroad €3,599
- Groupset
- SRAM Apex XPLR 1×12
- Shifters
- SRAM Apex
- Cranks
- SRAM Apex 44T
- Stem
- KOGA with fully integrated cable guidance
- Handlebar
- KOGA Endurance Gravel Ergo
- Seatpost
- KOGA ROQA 31.8 mm
- Saddle
- Selle San Marco Shortfit Carbon
- List price
- €3,599 (koga.com, 1 Nov 2026)
Source for all builds: koga.com, checked 1 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size XS (stack 541 / reach 374 mm).
Stack and reach within 12 mm of size S (stack 564 / reach 378 mm).
Stack and reach within 12 mm of size M (stack 589 / reach 381 mm).
Stack and reach within 12 mm of size L (stack 608 / reach 390 mm).
Stack and reach within 12 mm of size XL (stack 629 / reach 397 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 14 values for this model’s stem and bars. Add them