Description
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Shimano’s revamped Tranx 300 B baitcaster has been engineered with precision and features their CoreSolid and Hagane body technologies. This reel integrates the Hagane body technology to the reel side plate, level wind guard, and frame into one ultra-rigid, flex-free unit. This reel is perfect for targeting powerful fish in both fresh and saltwater environments and has been built to handle the toughest challenges,.
The SVS Infinity MD Tune braking system ensures effortless, long-distance casting, even in windy conditions. Whether you’re launching large swimbaits or working finesse soft plastics, the Tranx 300 B delivers exceptional control and accuracy through its integrated X-Ship and Micromodule systems. Meanwhile, the X Protect technology keeps water out, ensuring durability and reliability in harsh conditions.
With robust drag performance and unmatched cranking power, this reel is built to conquer everything from river giants to offshore predators. The Shimano Tranx 300 B redefines what a low-profile baitcaster can do, providing elite-level performance for serious anglers.
Technology & Features:

- HAGANE Design
Hagane is a Shimano reel design concept created to withstand continual use and extreme abuse. HAGANE is an innovation with built-in toughness and durability that works alongside Shimano's precision engineering. HAGANE is for all anglers.
- MICROMODULE
The MicroModule Gear technology creates a smooth retrieve by utilizing smaller teeth to increase the number of contact points between the drive gear and pinion gear.
- HAGANE BODY
The HAGANE Body is a metal reel body with high rigidity. The body rigidity and impact resistance virtually eliminate body flexing on the reel while fighting a fish. The result transforms the angler's actions directly into cranking power.
- X PROTECT
X PROTECT provides high-level water resistance to the inside bearing of drive gear shaft with waterproof construction.
- CORE SOLID BODY
CoreSolid Body integrates the B-Side Plate, levelwind guard and frame into a solid one-piece construction. This delivers an ridid feeling.
Specifications & Dimensions:
| Model | Gear Ratio | Drag (kg) | Weight (g) | PE Line (No.-M) | Retrieve Per Crank (CM) | Handle Length (mm) | Bearings |
| TRX300B | 5.8 | 10 | 335 | 4-180, 5-140, 6-120 | 78 | 51 | 5/1 |
| TRX301B | 5.8 | 10 | 335 | 4-180, 5-140, 6-120 | 78 | 51 | 5/1 |
| TRX300HGB | 7.6 | 8 | 345 | 4-180, 5-140, 6-120 | 103 | 70 | 5/1 |