Completely redesigned by Shimano engineers to be the most advanced Metanium ever produced. The 2020 Metanium features a never before seen Magnesium CoreSolid Body, providing professional and enthusiast anglers with the solid advantage of durability, rigidity and sensitivity while reducing weight. The new CI4+ Star Drag reduces weight even further. Featuring an MGL III spool, reducing spool inertia 17% over the previous generation while still utilizing SVS Infinity Braking for the ultimate in adjustability and distance for all ranges of lures. The Metanium now comes with a brass MicroModule main gear for enhanced durability and long-term smoothness. Silent Tune reduces spool bearing vibration to maximize casting distance and improve cast feel.
Specifications
| Model | Retrieve | Gear Ratio | Weight | Line Cap. | Bearings |
| METMGL150B | Right | 6.2:1 | 6.3 | 10/120, 12/110 | 10S A-RB + 1S A-RB |
| METMGL150HGB | Right | 7.1:1 | 6.3 | 10/120, 12/110 | 10S A-RB + 1S A-RB |
| METMGL150XGB | Right | 8.1:1 | 6.5 | 10/120, 12/110 | 10S A-RB + 1S A-RB |