Build hard Disciplines prone, wing
The Midlength Mk II X-Form has 9 sizes in the current range, from 38 to 130 L. Its slenderness, 3.65, is greater than that of 79% 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 |
|---|---|---|---|---|---|---|---|
| RRD | Beluga FL Black Line Y31 115 | 115 | +0.0% | 2,130 | +1.0% | 3.67 (+0.7%) | — |
| JP Australia | M-Winger 120 | 120 | +4.3% | 2,130 | +1.0% | 3.67 (+0.7%) | twin-track |
| Takoon | Ultra Glide 6'10 | 110 | -4.3% | 2,083 | -1.2% | 3.64 (-0.1%) | twin-track |
| Takoon | Ultra Glide 7'0 | 120 | +4.3% | 2,134 | +1.2% | 3.69 (+1.2%) | twin-track |
| Duotone | Midfish Air 2026 6'10'' | 115 | +0.0% | 2,080 | -1.3% | 3.65 (+0.1%) | twin-track |
| Family | Midlength |
|---|---|
| Model | Midlength Mk II X-Form |
| Size, as the brand prints it | 115L 6'11'' |
| Volume, L | 115 |
| Length, mm | 2,108 (6'11") |
| Width, mm | 578 |
| Thickness, mm | 133 |
| Weight, kg | 5.7 |
| Slenderness (length ÷ width) | 3.65 |
| Slenderness band | 3.0–4.0 |
| Mount | — |
| Strap inserts | — |
| Build | hard |
| Construction | X-Form precision molded: carbon outer, high-density PVC wrap and rails, ultralight EPS core |
| Disciplines | prone, wing |
| Rider weight | — |
| Rider level | — |
| Model year | — |
| Source | manufacturer · read 2026-10-02 |
Every figure above is the manufacturer's published claim, converted to comparable units.
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