Recommended rider height for the SEKA Spear and Spear RDC. SEKA publishes one chart covering both models. MR and LR are SEKA's two “Racing” sizes alongside the five standard sizes.
| XS | S | M | MR | L | LR | XL | |
| Height (In cms.) | 150-163 | 161-173 | 170-180 | 171-186 | 177-187 | 179-194 | 185-198 |
| Height (feet & inches) | 4'11" - 5'4" | 5'3" - 5'8" | 5'7" - 5'11" | 5'7" - 6'1" | 5'9" - 6'1" | 5'10" - 6'4" | 6'1" - 6'6" |
Source: SEKA official store (shopsekabikes.com).
