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 ?
Sunn GP 2026 geometry in sizes XS–XL: stack 499–583 mm, reach 373–399 mm, head angle 71.5–73.2°.
| XS | S | M | L | XL | |
|---|---|---|---|---|---|
| Stack | 499 mm | 523 mm | 544 mm | 565 mm | 583 mm |
| Reach | 373 mm | 379 mm | 384 mm | 392 mm | 399 mm |
| Head angle | 71.5° | 72.2° | 73.2° | 73.2° | 73.2° |
| Seat angle | 74.5° | 74° | 74° | 73° | 73° |
| Seat tube (c-t) | 450 mm | 475 mm | 504 mm | 532 mm | 550 mm |
| Head tube | 91 mm | 114 mm | 131 mm | 155 mm | 173 mm |
| Top tube (effective) | 512 mm | 529 mm | 540 mm | 565 mm | 572 mm |
| BB drop | 74 mm | 74 mm | 74 mm | 71.5 mm | 71.5 mm |
| Chainstay | 410 mm | 410 mm | 410 mm | 410 mm | 410 mm |
| Wheelbase | 970 mm | 978 mm | 984 mm | 989 mm | 1000 mm |
| Fork length | 372 mm | 372 mm | 372 mm | 372 mm | 372 mm |
| Stock build by size | |||||
| Cranks | 165 mm | 170 mm | 172 mm | 175 mm | 175 mm |
| Stem | 90 mm | 90 mm | 100 mm | 110 mm | 110 mm |
| Bar width GP Finest | 380 mm | 400 mm | 400 mm | 420 mm | 420 mm |
| Bar width GP S2 | 400 mm | 400 mm | 400 mm | 420 mm | 420 mm |
| Seatpost setback | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm |
Source: sunn.fr, checked 1 Nov 2026 · bar position: worked out from published data
Stock build
GP Finest €5,632
- Groupset
- SRAM Force AXS E1 2×12 (Force AXS Powermeter 48/35, XG-1270 10-36)
- Shifters
- SRAM Force AXS E1
- Cranks
- SRAM Force AXS Powermeter 48×35T
- Stem
- Brute Carbon Combo
- Handlebar
- BRUTE CARBON COMBO HANDLEBAR CABLE INTEGRATION DROP 122 mm / REACH 76 mm
- Seatpost
- BRUTE AERO CARBON SEATPOST 0 OFFSET
- Saddle
- Fizik Vento Argo R5 140 mm
- List price
- €5,632 (sunn.fr, 1 Nov 2026)
GP S1 €4,332
- Groupset
- SRAM Rival AXS E1 2×12 (Rival AXS Powermeter 48×35, XG-1250 10-36)
- Shifters
- SRAM Rival AXS E1
- Cranks
- SRAM Rival AXS Powermeter 48×35T
- Stem
- Brute Carbon Combo
- Handlebar
- BRUTE CARBON COMBO HANDLEBAR CABLE INTEGRATION DROP 122 mm / REACH 76 mm
- Seatpost
- BRUTE AERO CARBON SEATPOST 0 OFFSET
- Saddle
- Fizik Vento Argo R5 140 mm
- List price
- €4,332 (sunn.fr, 1 Nov 2026)
GP S2 €3,432
- Groupset
- Shimano 105 2×12 (52×36, 11-34)
- Shifters
- Shimano 105
- Cranks
- Shimano 105 52×36T
- Stem
- BRUTE ALUMINIUM
- Handlebar
- ZIPP SERVICE COURSE
- Saddle
- Fizik Vento Argo R5 140 mm
- List price
- €3,432 (sunn.fr, 1 Nov 2026)
Source for all builds: sunn.fr, checked 1 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size XS (stack 499 / reach 373 mm).
Stack and reach within 12 mm of size S (stack 523 / reach 379 mm).
Stack and reach within 12 mm of size M (stack 544 / reach 384 mm).
Stack and reach within 12 mm of size L (stack 565 / reach 392 mm).
Stack and reach within 12 mm of size XL (stack 583 / reach 399 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 2 values for this model’s stem and bars. Add them