Geometry ?
BH RS1 2026 geometry in sizes XS–XL: stack 526–597 mm, reach 370–393 mm, head angle 71–73°.
| XS | SM | MD | LA | XL | |
|---|---|---|---|---|---|
| Stack | 526 mm | 544 mm | 557 mm | 583 mm | 597 mm |
| Reach | 370 mm | 375 mm | 380 mm | 388 mm | 393 mm |
| Head angle | 71° | 72° | 72.5° | 73° | 73° |
| Seat angle | 74.5° | 74° | 73.5° | 73.5° | 73° |
| Seat tube (c-t) | 460 mm | 480 mm | 500 mm | 520 mm | 540 mm |
| Head tube | 105 mm | 120 mm | 135 mm | 160 mm | 175 mm |
| Top tube (effective) | 516 mm | 531 mm | 545 mm | 561 mm | 576 mm |
| BB drop | 73 mm | 73 mm | 70 mm | 70 mm | 70 mm |
| Chainstay | 412 mm | 412 mm | 415 mm | 415 mm | 418 mm |
| Wheelbase | 979 mm | 981 mm | 990 mm | 1001 mm | 1013 mm |
| Fork length | 389 mm | 389 mm | 389 mm | 389 mm | 389 mm |
Source: bhbikes.com, checked 1 Nov 2026 · bar position: worked out from published data
Stock build
RS1 5.5 LA557 €5,000
- Groupset
- Shimano Ultegra Di2 2×12
- Shifters
- Shimano Ultegra Di2 (ST-R8170)
- Cranks
- Shimano Ultegra 52/36
- Stem
- EVO SL Monocoque ACR
- Handlebar
- EVO SL Monocoque ACR
- Seatpost
- Tija RS1 Aero
- Saddle
- Prologo Nago R4 PAS
- List price
- €5,000 (bhbikes.com, 1 Nov 2026)
RS1 4.2 LA427 €4,000
- Groupset
- SRAM Rival AXS 2×12
- Shifters
- SRAM Rival AXS
- Cranks
- SRAM Rival 48/35
- Stem
- EVO SL Monocoque ACR
- Handlebar
- EVO SL Monocoque ACR
- Seatpost
- Tija RS1 Aero
- Saddle
- Prologo Dimension
- List price
- €4,000 (bhbikes.com, 1 Nov 2026)
RS1 3.5 LA357 €2,800
- Groupset
- Shimano 105 2×12 mechanical
- Shifters
- Shimano 105 (ST-R7120)
- Cranks
- Shimano 105 52/36
- Stem
- FSA NS SMR
- Handlebar
- FSA Gossamer Compact
- Seatpost
- Tija RS1 Aero
- Saddle
- BH Erog G
- List price
- €2,800 (bhbikes.com, 1 Nov 2026)
Source for all builds: bhbikes.com, checked 1 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size XS (stack 526 / reach 370 mm).
Principia XOC (2026)size S · stack 527 / reach 370 mmBMC Roadmachine (2026)size 47 · stack 525 / reach 370 mmBMC Roadmachine (2027)size 47 · stack 525 / reach 370 mmBMC Roadmachine 01 (2026)size 47 · stack 525 / reach 370 mmBMC Roadmachine 01 (2027)size 47 · stack 525 / reach 370 mmGekko RCE (carbon: Feather / Factory / Team) (2026)size 49 · stack 526 / reach 369 mm
Stack and reach within 12 mm of size SM (stack 544 / reach 375 mm).
LOOK 785 Huez / 785 Huez RS (2026)size S · stack 543 / reach 375 mmOrbea Avant (alloy) (2026)size 49 · stack 545 / reach 375 mmGusto Duro EVO (2025)size M · stack 543 / reach 376 mmReilly T325D (2026)size S · stack 545 / reach 374 mmKinesis GTD V2 (2026)size 50 · stack 542 / reach 375 mmKinesis RTD (2026)size 50 · stack 542 / reach 375 mm
Stack and reach within 12 mm of size MD (stack 557 / reach 380 mm).
Giant Contend SL Disc (2026)size M · stack 558 / reach 380 mmAppalanchia R14 (2026)size 510 · stack 558 / reach 380 mmCello Scarlatti (2026)size L · stack 558 / reach 380 mmFelt Nexar (2026)size 54 · stack 558 / reach 380 mmGiant Defy Advanced (2027)size M · stack 558 / reach 380 mmGiant Defy Advanced Pro (2027)size M · stack 558 / reach 380 mm
Stack and reach within 12 mm of size LA (stack 583 / reach 388 mm).
Basso SV (2026)size 56 · stack 584 / reach 387 mmPassoni Prima Disco (2026)size 56 · stack 584 / reach 389 mmSabbath September (2026)size L · stack 584 / reach 387 mmTwitter R5 Pro 2nd (2026)size XL · stack 584 / reach 389 mmBasso Diamante (2026)size 56 · stack 584 / reach 387 mmFara F/All-Road (2026)size L · stack 583 / reach 386 mm
Stack and reach within 12 mm of size XL (stack 597 / reach 393 mm).
Bross Vagabond (2026)size XL · stack 597 / reach 394 mmGiant Contend (2025)size L · stack 596 / reach 393 mmGiant Defy Advanced (2027)size L · stack 596 / reach 393 mmGiant Defy Advanced Pro (2027)size L · stack 596 / reach 393 mmGiant Defy Advanced SL (2027)size L · stack 596 / reach 393 mmGiant Contend SL Disc (2026)size L · stack 596 / reach 393 mm
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 12 values for this model’s stem and bars. Add them