Where it fits
This model is classified as Alternative Performance. Use the documented family, selected size and intended conditions to decide whether that direction matches the surfer's brief.
Alternative Performance
Simon Anderson Alley Grom
Mapped from canonical taxonomy youth.
Official manufacturer information
Typical surfer profile
The controlled record starts with Intermediate rider context, but current ability, surf frequency and existing equipment should be considered together.
Wave direction
No narrow wave promise is added where the controlled source does not establish one. Match the board family to the actual conditions before selecting a size.
Where it sits in the design range
The Alley Grom sits in the Alternative Performance family with a Alternative Performance direction. Related models may solve a different design job even when their volume is similar.
Dimensions and volume
Available size range
4'8 to 5'6, 14.15L to 21.13L across the reviewed catalogue records. The table below shows the complete canonical size set.
| Length | Width | Thickness | Volume | Construction |
|---|---|---|---|---|
| 4'8 | 17 | 1 3/4 | 14.15L | PU |
| 4'9 | 17 1/8 | 1 13/16 | 15L | PU |
| 4'10 | 17 1/4 | 1 13/16 | 15.41L | PU |
| 4'11 | 17 1/2 | 1 7/8 | 16.38L | PU |
| 5'0 | 17 5/8 | 1 7/8 | 16.9L | PU |
| 5'1 | 17 5/8 | 1 15/16 | 17.8L | PU |
| 5'2 | 17 3/4 | 1 15/16 | 18.08L | PU |
| 5'3 | 17 7/8 | 2 | 19.09L | PU |
| 5'4 | 18 | 2 | 19.5L | PU |
| 5'5 | 18 1/8 | 2 1/16 | 20.6L | PU |
| 5'6 | 18 1/4 | 2 1/16 | 21.13L | PU |
Controlled board direction
- Board family
- Alternative Performance
- Design direction
- Alternative Performance
- Ability guidance
- Intermediate and above
- Paddle support
- moderate
- Fin setup
- Twin, Quad
Guidance describes board characteristics, not a guaranteed performance outcome.
Check current regional availability
Stock is not baked into this page. Choose a region to run a current Quivrr search.
Other boards in this family
Related design guidance
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.