Geometry ?
Boardman ADV (alloy) 2025 geometry in sizes SM–XL: stack 559–613 mm, reach 376–399 mm, head angle 71–71.5°.
| SM | MD | LG | XL | |
|---|---|---|---|---|
| Stack | 559 mm | 578 mm | 599 mm | 613 mm |
| Reach | 376 mm | 385 mm | 393 mm | 399 mm |
| Head angle | 71° | 71° | 71.5° | 71.5° |
| Seat angle | 74° | 73.5° | 73° | 73° |
| Seat tube (?) | 515 mm | 530 mm | 555 mm | 575 mm |
| Head tube | 130 mm | 150 mm | 170 mm | 185 mm |
| Top tube (effective) | 535 mm | 555 mm | 575 mm | 585 mm |
| BB drop | 73 mm | 73 mm | 73 mm | 73 mm |
| Chainstay | 430 mm | 430 mm | 430 mm | 430 mm |
| Fork offset | 50 mm | 50 mm | 50 mm | 50 mm |
| Stock build by size | ||||
| Cranks | 170 mm | 172.5 mm | 172.5 mm | 175 mm |
| Stem | 80 mm | 80 mm | 90 mm | 100 mm |
| Bar width | 400 mm | 420 mm | 420 mm | 440 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: boardmanbikes.com, checked 1 Nov 2026 · bar position: worked out from published data
Older model years in the archive: Boardman ADV 8.9 2025
Stock build
ADV 9.2 (Alloy) ≈ €2,030
- Groupset
- SRAM Apex AXS 1×12 (Apex 1 DUB 40T)
- Shifters
- SRAM Apex AXS
- Cranks
- SRAM Apex 1 DUB 40T
- Stem
- Boardman Alloy, 31.8 mm clamp
- Handlebar
- Boardman Alloy, 31.8 mm clamp, 70 mm reach, 120 mm drop, 6° flare
- Seatpost
- Boardman Alloy, 31.6 mm, 350 mm
- Saddle
- Fizik Terra Argo
- List price
- £1,750 (boardmanbikes.com, 1 Nov 2026)
ADV 8.9 (alloy) ≈ €1,392
- Groupset
- Shimano GRX RX400 2×10 (Prowheel 46/30)
- Shifters
- Shimano GRX ST-RX400
- Cranks
- Prowheel 30/46T
- Stem
- Boardman Alloy, 31.8 mm clamp
- Handlebar
- Boardman Alloy, 31.8 mm clamp, 70 mm reach, 120 mm drop, 6° flare
- Seatpost
- Boardman Alloy, 31.6 mm
- Saddle
- Boardman ADV
- List price
- £1,200 (boardmanbikes.com, 1 Nov 2026)
ADV 8.6 ≈ €986
- Groupset
- Shimano Sora R3000 2×9 (Prowheel 46/30), Tektro MD-C511 mech disc
- Shifters
- Shimano Sora ST-R3000
- Cranks
- Prowheel 30/46T
- Stem
- Boardman Alloy, 31.8 mm clamp
- Handlebar
- Boardman Alloy, 31.8 mm clamp, 70 mm reach, 120 mm drop
- Seatpost
- Boardman Alloy, 31.6 mm
- Saddle
- Boardman ADV
- List price
- £850 (boardmanbikes.com, 1 Nov 2026)
Source for all builds: boardmanbikes.com, checked 1 Nov 2026
Frames with similar geometry
Stack and reach within 12 mm of size SM (stack 559 / reach 376 mm).
Stack and reach within 12 mm of size MD (stack 578 / reach 385 mm).
Stack and reach within 12 mm of size LG (stack 599 / reach 393 mm).
Stack and reach within 12 mm of size XL (stack 613 / 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