Shimano 21 Poison Adrena 166M-2 [Y347]

Shimano 21 Poison Adrena 166M-2

Medium-Power Baitcasting Rod for Versatile Bass Fishing

Overview

The Shimano 21 Poison Adrena 166M-2 is a lightweight, two-piece baitcasting rod designed for anglers who want premium handling and versatility in a compact package. Measuring 1.98 m (6'6") and weighing just 95 g, it offers a balanced setup for a wide range of bass-fishing techniques.

Its Medium power and Regular action provide a more progressive bend that works well with moving baits while retaining the versatility needed for many soft-plastic and bottom-contact presentations. With a lure rating of 7–21 g and a folded length of 102 cm, this rod is suitable for everyday fishing as well as convenient transportation.

Key Features

• Lightweight 95 g construction

• Medium power for versatile bass-fishing applications

• Regular action for controlled casting and a progressive bend

• Two-piece design for easier transportation and storage

• Suitable for both moving baits and selected soft-plastic techniques

Specifications

• Model: 21 Poison Adrena 166M-2

• Series: Shimano Poison Adrena

• Type: Baitcasting Rod

• Length: 1.98 m / 6'6"

• Number of Pieces: 2

• Folded Length: 102 cm

• Weight: 95 g

• Power: Medium (M)

• Action/Taper: Regular (R)

• Lure Weight: 7–21 g

• Line Rating: Mono/Fluorocarbon 8–16 lb

• Maximum PE Rating: PE #3

Recommended Fishing Applications

• Largemouth and smallmouth bass fishing

• All-around bank and boat fishing

• Working hard baits around rocky banks, weed edges and submerged structures

• Versatile presentations when switching between moving baits and soft plastics

Recommended Lures & Techniques

• Jerkbaits and Minnow Plugs: Controlled twitches and pauses for bass feeding in open water or around structure

• Crankbaits: Shallow- and medium-diving models for covering water and targeting submerged features

• Spinnerbaits and Chatterbaits: Steady retrieves around weed edges and moderate cover

• Texas Rigs and Free Rigs: Soft-plastic presentations along the bottom and around structure

• Jigs and Swim Jigs: Casting around rocky areas, sparse vegetation and other bass-holding cover

• Small to Medium Swimbaits: Paddle-tail soft plastics within the rod's rated lure range

• Topwater Lures: Compact walking baits and other surface lures suited to the rod's casting range

The Regular action is particularly useful for moving baits, helping the rod load during casting and maintain consistent pressure on fish. For bottom-contact techniques, select a suitable lure weight within the 7–21 g range.

Recommended Baitcasting Reels

• Shimano 24 Metanium DC 70/71: A premium, lightweight pairing for versatile bass fishing and frequent lure changes

• Shimano Curado DC 150/151: A dependable all-around option for hard baits and soft-plastic applications

• Shimano Scorpion 150/151: A versatile JDM reel that balances well with a Medium-power rod

A quality 150-size baitcasting reel with a gear ratio around 6.2:1–7.4:1 is a good all-around match. A moderate retrieve speed is useful for crankbaits, while a faster ratio helps with jerkbaits and soft-plastic techniques.

Recommended Line Setup

• Fluorocarbon: 10–14 lb for jerkbaits, crankbaits, jigs and general-purpose bass fishing

• Braid: PE #1–2 with a fluorocarbon leader for selected soft-plastic and moving-bait applications

• Reel Size: 150-class baitcasting reel

Adjust line strength according to lure choice, cover and target species. Keep lure weights within the recommended 7–21 g range.

Condition

Mint condition.