Where it fits
This model is classified as Competition HPSB. Use the documented family, selected size and intended conditions to decide whether that direction matches the surfer's brief.
High Performance Shortboard
Mapped from canonical taxonomy performance_shortboard.
Official manufacturer information
This model is classified as Competition HPSB. Use the documented family, selected size and intended conditions to decide whether that direction matches the surfer's brief.
The controlled record starts with Advanced rider context, but current ability, surf frequency and existing equipment should be considered together.
The controlled record associates this model with reef_break. Confirm the intended wave range with the manufacturer.
The Radius Prime Round sits in the High Performance Shortboard family with a Competition HPSB direction. Related models may solve a different design job even when their volume is similar.
5'6 to 6'4, 22.4L to 39.2L across the reviewed catalogue records. The table below shows the complete canonical size set.
| Length | Width | Thickness | Volume | Construction |
|---|---|---|---|---|
| 5'6 | 18 1/4 | 2 1/8 | 22.4L | PU |
| 5'7 | 18 3/8 | 2 3/1 | 23.5L | PU |
| 5'8 | 18 1/2 | 2 1/4 | 24.6L | PU |
| 5'9 | 18 5/8 | 2 5/1 | 25.7L | PU |
| 5'10 | 18 3/4 | 2 3/8 | 27L | PU |
| 5'11 | 18 7/8 | 2 7/1 | 28.3L | PU |
| 6'1 | 19 1/4 | 2 9/1 | 31.1L | PU |
| 6'2 | 19 1/2 | 2 5/8 | 32.9L | PU |
| 6'6 | 20 1/4 | 2 7/8 | 39.2L | PU |
| 6'0 | 19 | 2 1/2 | 29.6L | PU |
| 6'4 | 20 | 2 3/4 | 36.1L | PU |
Guidance describes board characteristics, not a guaranteed performance outcome.
Stock is not baked into this page. Choose a region to run a current Quivrr search.
How to choose a surfboard, understand volume and sizing, or ask Bodhi to explain trade-offs.
Reviewed by QUIVRR editorial on 2026-07-14. Catalogue snapshot: 2026-07-15. Confirm final specifications with the manufacturer or retailer.