Disciplines prone 2025
The Bump 2025 has 2 sizes on record, discontinued sizes included, from 35 to 40 L. Its slenderness, 3.00, is greater than that of 53% of the 1,895 current boards that publish a length and a width.
Mount is shown beside each board, never matched on.
| Brand | Board | Volume L | Δ volume | Length mm | Δ length | Slenderness | Mount |
|---|---|---|---|---|---|---|---|
| Sroka | SW 5'0 | 40 | -1.2% | 1,520 | -0.3% | 2.99 (-0.3%) | twin-track |
| GONG | Surf Foil Board NOTW EPS Pro 2026 5'0 | 39 | -3.7% | 1,520 | -0.3% | 3.04 (+1.3%) | twin-track |
| GONG | Surf Foil Board Lance EPS 5'0 | 40 | -1.2% | 1,524 | +0.0% | 3.05 (+1.6%) | twin-track |
| Appletree | Zapple S Riift 5'0'' 4P (43L) | 43 | +6.2% | 1,524 | +0.0% | 3.00 (+0.0%) | — |
| F-One | ROCKET SURF 4'11 | 40 | -1.2% | 1,500 | -1.6% | 2.94 (-2.0%) | twin-track |
| Family | Bump |
|---|---|
| Model | Bump 2025 |
| Size, as the brand prints it | 5'0'' x 20'' x3'' - 40.5L |
| Volume, L | 40.5 |
| Length, mm | 1,524 (5'0") |
| Width, mm | 508 |
| Thickness, mm | 76 |
| Weight, kg | 3.2 |
| Slenderness (length ÷ width) | 3.00 |
| Slenderness band | 2.5–3.0 |
| Mount | — |
| Strap inserts | — |
| Build | — |
| Construction | Carbon hybrid, EPS core, PVC reinforced deck, double PVC/glass stringers |
| Disciplines | prone |
| Rider weight | — |
| Rider level | — |
| Model year | 2025 |
| Source | manufacturer · read 2026-10-03 |
Every figure above is the manufacturer's published claim, converted to comparable units.
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