Midlength / funboard. 4 sizes from 7'10" to 9'6", 55 to 81 liters, listed by Rider Shack.
| Size | Liters | Price | Store |
|---|---|---|---|
| 7'10" × 22 3/4" | 55.2 | $1,120 sold out | Rider Shack |
| 8'3" × 23" | 61.5 | $1,150 sold out | Rider Shack |
| 8'10" | 68.7 | $1,295 sold out | Rider Shack |
| 8'10" × 23" | 68.7 | $1,295 sold out | Rider Shack |
| 9'6" used | 81.4 | $650 sold out | Rider Shack |
Open Thunder Bolt Technologies CJ Nelson Parallax Plus 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 Thunder Bolt Technologies boards · Midlengths and funboards. Updated 2026-10-19.