Geometry ?
Bombtrack Tempest AL 2026 geometry in sizes S–L: stack 559–595 mm, reach 375–398 mm, head angle 71.5°.
| S | M | L | |
|---|---|---|---|
| Stack | 559 mm | 578 mm | 595 mm |
| Reach | 375 mm | 386 mm | 398 mm |
| Head angle | 71.5° | 71.5° | 71.5° |
| Seat angle | 73.5° | 73.5° | 73.5° |
| Seat tube (?) | 520 mm | 550 mm | 580 mm |
| Head tube | 145 mm | 165 mm | 185 mm |
| Top tube (effective) | 540 mm | 557 mm | 574 mm |
| BB drop | 72 mm | 72 mm | 70 mm |
| Chainstay | 418 mm | 418 mm | 418 mm |
| Wheelbase | 1006 mm | 1015 mm | 1042 mm |
| Standover | 788 mm | 811 mm | 836 mm |
| Fork length | 385 mm | 385 mm | 385 mm |
| Fork offset | 53 mm | 53 mm | 53 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: cdn.shopify.com, checked 12 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 559 / reach 375 mm).
Stack and reach within 12 mm of size M (stack 578 / reach 386 mm).
Stack and reach within 12 mm of size L (stack 595 / reach 398 mm).
Spotted a mistake or a missing build? Let me know.
Are you the manufacturer, or do you sell this bike? I’m missing 5 values for this model’s stem and bars. Add them