Thunderbolt HI Mid 6
Midlength / funboard. 5 sizes from 6'4" to 7'6", 38 to 52 liters, listed by Down the Line Surf. In stock from £950.
Every size and price
| Size | Liters | Price | Store |
|---|---|---|---|
| 6'4" Full-Carbon | ≈37.9 | £1,075 | Down the Line Surf |
| 6'4" Light-Blue | ≈37.9 | £950 | Down the Line Surf |
| 6'8" Full-Carbon | ≈41.8 | £1,105 sold out | Down the Line Surf |
| 6'8" Light-Blue | ≈41.8 | £975 sold out | Down the Line Surf |
| 6'10" Full-Carbon | ≈44.1 | £1,105 sold out | Down the Line Surf |
| 7'0" | ≈46.6 | £1,145 | Down the Line Surf |
| 7'0" | ≈46.6 | £995 | Down the Line Surf |
| 7'6" | ≈52.4 | £1,165 | Down the Line Surf |
| 7'6" | ≈52.4 | £1,025 | Down the Line Surf |
Open Thunderbolt HI Mid 6 in the finder →
One row per size and store. Liters marked ≈ are SurfCalc estimates (from the same model at other sizes, or from the dimensions). Prices are in the store's currency. Not sure which size? The calculator turns your weight, skill and waves into a liter range. More Thunderbolt boards · Midlengths and funboards. Updated 2026-10-19.