BP Shortstack
Mid-length · Fourth Surfboards, St Agnes
The shortest BP-family board, keeping the family's glide and long rail line but moving the pivot point closer to the pocket. The product page also carries a 'Belly Shank' label, so confirm which board you are ordering.
- Type
- Mid-length
- Lengths
- 5'9–6'3
- Volume
- 27–38.9L
- Fins
- thruster, twin + trailer
- Fin system
- FCS II
- Build
- PU, EPS
- Price
- £679Custom, from
Design from the maker
Easy paddling and glide in a shorter board that still turns off the tail in the pocket.
- Elliptical BP-family outline with width around the side fins
- Parallel middle and curved nose for a longer rail line
- Low-medium entry rocker with shortboard-like tail kick
- Shortboard foil with a flatter deck; 60/40 rails with tuck
- Flat nose into single concave, double spiral through the fins, flat exit
Fins
Shaper suggests MF Large Neo Carbon thruster fins, or an FCS II MR twin + trailer set for small clean surf. Fins not included.
Price notes
Base made-to-order list price; options add cost.
Sizes
| Length | Width | Thickness | Volume |
|---|---|---|---|
| 5'9 | 19 | 2 5/16 | 27L |
| 5'11 | 20 | 2 1/2 | 33.6L |
| 6'1 | 20 5/16 | 2 19/32 | 36.5L |
| 6'3 | 20 5/8 | 2 21/32 | 38.9L |
Compare with other shapers
5'6'7'8'9'10'
2030405060
| Board | Length | Volume | Fins | From | ||
|---|---|---|---|---|---|---|
| BP ShortstackFourth Surfboards | 5'9–6'3 | 27–38.9L | thruster, twin + trailer | £679 | ||
| Drifter TwinTiki Surfboards | 6'0–6'9 | 33–38.6L | twin | £599 | ||
| Maluku Flying FrogEscape Surfboards | 6'0–9'2 | – | quad, thruster, single | – | ||
| Kids Minimal (Kids Beginner)ND Surfboards | 6'0–7'0 | – | – | £499.99 | ||
| EggspiracyWhitburn Studio | 6'0–8'8 | – | single, twin, 2+1 | – | ||
| BabushkaWhitburn Studio | 6'0–8'8 | – | single, 2+1 | – | ||
| The MakoParadise Surfboards | 6'4–7'6 | 34.5–53L | twin, quad | £595 |
Not published
- Page title vs 'Belly Shank' SKU mismatch
- Whether the four-size chart is complete
- Board weight
Sources
Checked 26 Sept 2026. Specs and prices change: confirm with the maker.
More from Fourth Surfboards
| Board | Length | Volume | Fins | From | ||
|---|---|---|---|---|---|---|
| Doofer | 5'6–6'8 | 26.3–41.8L | thruster, quad | £679 | ||
| Rockstar Max | 5'3–6'3 | 24.1–40.6L | thruster | £679 | ||
| Rockstar Neo | 5'7–6'5 | 26–39.4L | thruster | £679 | ||
| Freshblade DS | 5'8–6'4 | 24.5–33.7L | – | £679 | ||
| HP Chilli | 5'8–6'6 | 30.3–41.8L | – | £679 | ||
| Chilli Bean | 5'4–6'10 | 28.2–51L | thruster, quad | £659 | ||
| Chilli Jam | 5'6–6'4 | 30–42.2L | – | £679 | ||
| Chilli Wrap | 5'6–6'6 | 29.5–45L | – | £679 | ||
| Short Time | 5'4–6'4 | 32–49.1L | – | £659 | ||
| BP Round | 6'2–6'10 | 33.7–44L | thruster | £699 | ||
| BP Pro Mid Length | 6'0–6'10 | 32.4–44.3L | thruster | £699 | ||
| Side Piece | 6'0–6'10 | 36–46.2L | twin | £699 | ||
| BP Mini Mid Length | 6'6–7'2 | 41.2–52.4L | – | £729 | ||
| Time Piece | 6'6–7'6 | 37.6–54.3L | – | £729 | ||
| Hang 12 | – | – | – | £859 | ||
| Charge | 6'3–6'10 | – | – | £699 | ||
| Reload 2.0 archive | – | – | – | – |