KastKing Centron Spinning Reel, Size 500 Fishing Reel vs KastKing Spartacus II Baitcasting Fishing Reel, 6oz Ultralight, Super Smooth with 17.6 LB Carbon Fiber Drag, 7.2:1 Gear Ratio, 39mm Palm Perfect Lower Profile Design,Stryker Green,Right Handed
Updated June 2026 — KastKing Centron Spinning Reel, Size 500 Fishing Reel wins on price, KastKing Spartacus II Baitcasting Fishing Reel, 6oz Ultralight, Super Smooth with 17.6 LB Carbon Fiber Drag, 7.2:1 Gear Ratio, 39mm Palm Perfect Lower Profile Design,Stryker Green,Right Handed wins on casting efficiency and performance.
The KastKing Centron Spinning Reel offers better value for budget-conscious anglers and ice fishing, while the Spartacus II excels in performance, precision, and advanced features for serious freshwater fishing. Choose based on your primary use case.
Why KastKing Centron Spinning Reel, Size 500 Fishing Reel is better
Price
The Centron is $16.82 cheaper than the Spartacus II, priced at $21.57 vs $38.39.
Ice Fishing Suitability
The Centron's Size 500 and 1000 models are explicitly designed for ice fishing, unlike the Spartacus II.
Ball Bearings
The Centron has 9 ball bearings, slightly more than the Spartacus II’s 7 + 1 (8 total), though both are high-quality.
Why KastKing Spartacus II Baitcasting Fishing Reel, 6oz Ultralight, Super Smooth with 17.6 LB Carbon Fiber Drag, 7.2:1 Gear Ratio, 39mm Palm Perfect Lower Profile Design,Stryker Green,Right Handed is better
Drag System
The Spartacus II features a 17.6 LB carbon fiber drag system, slightly higher and more durable than the Centron’s 17.5 LB system.
Gear Ratio
The Spartacus II has a 7.2:1 gear ratio for faster line retrieval, while the Centron’s gear ratio is unspecified and likely slower.
Build Quality & Design
The Spartacus II uses CNC anodized aluminum spools, hardened aluminum main gears, and a 39 mm lower profile design, making it lighter and more tournament-ready.
Overall score
Specifications
| Spec | KastKing Centron Spinning Reel, Size 500 Fishing Reel | KastKing Spartacus II Baitcasting Fishing Reel, 6oz Ultralight, Super Smooth with 17.6 LB Carbon Fiber Drag, 7.2:1 Gear Ratio, 39mm Palm Perfect Lower Profile Design,Stryker Green,Right Handed |
|---|---|---|
| Drag System | 17.5 LB | 17.6 LB Carbon Fiber |
| Gear Ratio | Not Specified | 7.2:1 |
| Spool Material | CNC Machined Aluminum | CNC Anodized Aluminum |
| Main Gear Material | Hardened Metal | Hardened Aluminum |
| Ball Bearings | 9 | 7 + 1 Shielded |
| Weight | Not Specified | 6 oz |
| Profile Height | Not Specified | 39 mm |
| Primary Use Case | Ice Fishing, General Spinning | Ultralight Freshwater, Precision Casting |
Dimension comparison
Price Comparison
The KastKing Centron Spinning Reel is about 17% cheaper than the KastKing Spartacus II Baitcasting Reel. At $21.57, the Centron offers a significantly lower entry point compared to the Spartacus II’s $38.39 price tag. This $16.82 difference represents a substantial savings for anglers seeking performance without a premium cost. While both reels are positioned in the mid-tier market, the Centron’s pricing makes it more accessible for beginners or budget-conscious fishermen. The Spartacus II, though pricier, reflects its advanced features and baitcasting-specific engineering.
Performance and Drag System
The KastKing Spartacus II Baitcasting Reel delivers superior stopping power with a 17.6 LB carbon fiber drag system, slightly higher than the Centron’s 17.5 LB capacity. This marginal increase suggests the Spartacus II may handle larger fish with greater consistency under pressure. Both reels feature high-performance drag systems, but the Spartacus II’s use of carbon fiber enhances durability and heat resistance during long fights. The Centron relies on a robust drag system as well, but the Spartacus II’s tournament-ready 4-disc carbon fiber drag gives it an edge in sustained fighting scenarios. The Spartacus II’s drag system is specifically engineered for trophy fish, making it better suited for heavier-duty applications.
Gear Ratio and Casting Efficiency
The KastKing Spartacus II Baitcasting Reel features a 7.2:1 gear ratio, which provides faster line retrieval and enhanced casting efficiency—ideal for techniques requiring quick retrieves like flipping or jigging. This ratio allows for quicker response when setting hooks or reeling in fast-moving fish. In contrast, the Centron Spinning Reel does not specify its gear ratio, meaning its retrieval speed remains unknown and likely slower by comparison. The Spartacus II’s higher gear ratio, combined with its low-profile design, enables smoother, more controlled casts, especially with lighter lures. This makes the Spartacus II particularly effective for precision fishing where speed and accuracy matter.
Build Quality and Materials
The KastKing Spartacus II Baitcasting Reel uses CNC anodized aluminum spools, hardened aluminum main gears, and corrosion-resistant ball bearings, all contributing to a durable, lightweight construction. Its 7 + 1 shielded ball bearing system ensures smooth operation even in harsh conditions. The Centron Spinning Reel also boasts high-quality components, including a CNC machined aluminum spool and 9 ball bearings, plus a hardened metal main shaft and precision-machined pinion gear. However, the Spartacus II’s use of aluminum main gears and a lower profile design (39 mm) indicates a more advanced build focused on reducing weight while maintaining strength. The Centron’s graphite frame and balanced design enhance compactness, but the Spartacus II’s materials suggest a more refined, tournament-grade structure.
Design and Ergonomics
The KastKing Spartacus II Baitcasting Reel stands out with its 39 mm lower profile and only 6 ounces of weight, making it one of the lightest ultralight baitcasters available. This sleek, palm-perfect design improves comfort during extended fishing sessions and reduces fatigue. The Centron Spinning Reel features a narrow graphite frame and computer-balanced design, enhancing balance and reducing wrist strain. However, it lacks specific weight data, so direct comparison is limited. The Spartacus II’s dynamic new design includes a power launch lip and double-tapered control chute, which reduce line friction and minimize tangles. These features make it more efficient for long-distance casting and complex lure presentations.
Target Use Cases
The KastKing Centron Spinning Reel is ideal for ice fishing, with sizes 500 and 1000 explicitly noted for this purpose. Its compact size and lightweight construction suit cold-weather angling where portability and ease of handling are crucial. The Spartacus II Baitcasting Reel, designed for ultralight use, excels in freshwater applications such as bass fishing, where precision casting and fast retrieves are essential. Its 7.2:1 gear ratio and magnetic brake system make it suitable for finesse techniques and topwater presentations. While the Centron is versatile across multiple environments, the Spartacus II is tailored for anglers who prioritize casting accuracy and retrieval speed in open water.
Which should you buy?
Choose the KastKing Centron Spinning Reel if you want a budget-friendly, reliable option for ice fishing or general-purpose spinning use at $21.57. It offers strong performance with 9 ball bearings and a 17.5 LB drag system, making it a solid value. Opt for the KastKing Spartacus II Baitcasting Reel if you need a high-performance, ultra-light baitcaster with a 7.2:1 gear ratio, 17.6 LB carbon fiber drag, and a 39 mm profile for precision casting. Priced at $38.39, it’s about 17% more expensive but delivers advanced features tailored for serious anglers seeking tournament-level control and efficiency.

