
Shimano Tyrnos B Stand Up Spiral Bent Butt Rod
Specifications
| Specification | Value |
|---|---|
| Classification | High-End Stand-Up Big Game Boat Rod |
| Blank Technology | Full Carbon with HPC, Biofibre, and Twist Control |
| Guide Layout | 180-Degree Spiral Wrap Configuration |
| Guide Type | Fuji HB with high-performance SiN II Linings (Braid Safe) |
| Handle Style | Heavy-Duty Machined Aluminium Bent Butt |
| Reel Seat | Machined Pac Bay Aluminium with dual locking collars |
| Guide configuration | Spiral guide layout, sometimes called an "Acid Wrap" configuration |
| Guide transition | Heavy-duty Fuji HB guides transition smoothly around the blank, starting on top at the butt and ending underneath by the tip |
| Blank technology | HPC (High Pressure Carbon) |
| Reinforcement | Biofibre Reinforcement cross-links micro-fibres into the carbon structure |
| Technology | Twist Control Technology |
| Butt | Machined aluminium bent butt |
| Guide lining | SiN II linings |
| Guide frame | Double-legged frames |
| Guide inner rings | Silicon Nitride inner rings |
| Reel seat material | Pac Bay aluminium |
| Reel seat collars | Double-locking collars |
Description
The Shimano Tyrnos B Stand Up Spiral Bent Butt Rod is a high-end piece of big-game offshore tackle, built for the angler who prefers an active stand-up fighting style over a fighting chair. Its defining feature is the spiral guide layout, sometimes called an "Acid Wrap" configuration. On a standard boat rod, guides sit on top of the blank, and under heavy load the line forces the rod to twist in your hands, causing wrist strain. Here, the heavy-duty Fuji HB guides transition smoothly around the blank, starting on top at the butt and ending underneath by the tip. This guides the line to the underside, so gravity and pressure pull the rod straight down, eliminating blank twist and keeping the rod stable under full compression. Because your wrists are not fighting to keep the rod upright, all your energy goes into pumping the fish up from the deep. The blank uses Shimano's proprietary technologies. HPC (High Pressure Carbon) applies uniform pressure during curing, forcing the resin to distribute evenly through the carbon matrix and eliminating microscopic weak spots. Biofibre Reinforcement cross-links micro-fibres into the carbon structure for extreme shock absorption, protecting terminal knots and braided lines from violent head-shakes. Twist Control Technology further prevents the blank from ovaling or twisting under maximum drag settings. The hardware is selected for severe marine pressure. The machined aluminium bent butt sits deeper and lower in a fighting belt or harness, dropping the rod's pivot point to increase mechanical leverage, letting you use body weight rather than your lower back to pump fish vertically. The Fuji HB guides with SiN II linings use double-legged frames and Silicon Nitride inner rings, a smooth, hard material that dissipates the friction heat generated by braided lines during high-speed runs. The Pac Bay aluminium reel seat is machined, marine-grade, and has double-locking collars to secure oversized game reels without play. - Classification: High-End Stand-Up Big Game Boat Rod - Blank Technology: Full Carbon with HPC, Biofibre, and Twist Control - Guide Layout: 180-Degree Spiral Wrap Configuration - Guide Type: Fuji HB with high-performance SiN II Linings (Braid Safe) - Handle Style: Heavy-Duty Machined Aluminium Bent Butt - Reel Seat: Machined Pac Bay Aluminium with dual locking collars The combination of bent butt and spiral guides suits high-drag, stand-up battles. When setting up a harness, adjust the straps so the bent butt locks low in the gimbal pad and the rod holds a comfortable 45-degree angle. Because the spiral guides remove lateral twisting, you can let go of the foregrip to manage line-lay or adjust the drag lever mid-fight without the rod flipping over. This rod suits stand-up bluefin tuna tactics, where brutal drag pressures are applied while standing on the deck. It also works for deep-drop broadbill swordfishing, where the low-torque spiral design makes winding heavy loads easier on the forearms, and for apex shark campaigns targeting large pelagic species like porbeagle, mako, and thresher sharks, providing the raw lifting power needed in strong currents. A bent butt is preferred over a straight butt for stand-up angling. The curve alters the leverage angle, shortening the distance between the reel and your body, lowering your centre of gravity, and letting you apply more upward pressure using leg and hip power rather than straining your back and arms. These are dedicated stand-up trolling and deep-water boat rods, not intended for casting; the spiral configuration is optimised for vertical and horizontal line pressures during trolling, live-baiting, or deep-drop fishing. After a saltwater trip, remove the reel, back off the gimbal pin, and wash the rod down with warm, soapy fresh water, paying attention to the guide feet and reel seat threads, then allow it to air-dry completely before storage.
Product options and codes
| Option | Product code |
|---|---|
| 50lb | TYRBSTP50SB |
| 80lb | TYRBSTP80SB |
| 30lb | TYRBSTP30SB |
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Prices above are compared across 3 UK tackle shops.
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