Here's some data I've collected on my search for a new oversize (31.8mm) MTB stem:
| Manufacturer | Length | Clamp diameter (mm) | Rise (deg) | Stack Height (mm) | Weight (g) | Material | Tuning Potential |
| BBB BHS-01 UltraForce | 100 | 31.8 | 6 | 126 | Alu 2014 | Ti bolts - 15g saving | |
| Easton EA70 | 100 | 31.8 | 6 | 130 | Alu | Ti bolts - 15g saving | |
| Easton EA90 | 100 | 31.8 | 10 | 120 | Alu | Ti bolts - 15g saving | |
| Easton EC90 SL | 100 | 31.8 | 10 | 110 | Carbon | None - already has Ti bolts | |
| Extralite UltraStem OC | 100 | 31.8 | 4 | 85 | Alu 7075 | None - already has Ti bolts | |
| FSA OS-115 | 100 | 31.8 | 6 | 140 | Alu | Ti bolts - 15g saving | |
| KCNC SC Wing | 100 | 25.4 | 5 | 38 | 96 | Scandium T7451 | None - already has Ti bolts |
| KCNC SC Wing | 100 | 31.8 | 5 | 38 | 103 | Scandium T7451 | None - already has Ti bolts |
| Syntace F109 | 100 | 31.8 | 6 | 116 | Alu | None - already has Ti bolts |