KastKing Centron Spinning Reel, Size 500 Fishing Reel vs KastKing Spartacus II Spinning Reel – Sealed Carbon Fiber 22LBs Max Drag – 7+1 Stainless BB for Saltwater&Freshwater – 5.2:1 Gear Ratio – Size 500&1000 Perfect for Ice Fishing
Updated June 2026 — KastKing Centron Spinning Reel, Size 500 Fishing Reel wins on price, KastKing Spartacus II Spinning Reel – Sealed Carbon Fiber 22LBs Max Drag – 7+1 Stainless BB for Saltwater&Freshwater – 5.2:1 Gear Ratio – Size 500&1000 Perfect for Ice Fishing wins on environmental protection and internal component quality.
The KastKing Centron offers exceptional value at a lower price, making it ideal for budget-conscious anglers. However, the Spartacus II justifies its higher cost with superior durability, sealing, and performance for saltwater and demanding conditions.
Why KastKing Centron Spinning Reel, Size 500 Fishing Reel is better
Price
Centron is priced at $21.57, which is 53% cheaper than Spartacus II's $45.99
Bearings Count
Centron has 9 standard ball bearings, slightly more than Spartacus II's 7+1
Spool Design
Centron features a CNC-machined aluminum spool with internal grooves for lube retention and even line lay
Why KastKing Spartacus II Spinning Reel – Sealed Carbon Fiber 22LBs Max Drag – 7+1 Stainless BB for Saltwater&Freshwater – 5.2:1 Gear Ratio – Size 500&1000 Perfect for Ice Fishing is better
Drag System
Spartacus II has a 22LB max drag system, 4.5LB stronger than Centron's 17.5LB
Sealing & Protection
Spartacus II includes K.I.S.S. (KastKing Intrusion Shield System) for full protection against water and dirt
Materials & Durability
Spartacus II uses stainless steel shielded bearings, brass pinion gear, ceramic line roller, and reinforced graphite body
Overall score
Specifications
| Spec | KastKing Centron Spinning Reel, Size 500 Fishing Reel | KastKing Spartacus II Spinning Reel – Sealed Carbon Fiber 22LBs Max Drag – 7+1 Stainless BB for Saltwater&Freshwater – 5.2:1 Gear Ratio – Size 500&1000 Perfect for Ice Fishing |
|---|---|---|
| Max Drag | 17.5 lbs | 22 lbs |
| Ball Bearings | 9 standard | 7+1 stainless steel shielded |
| Sealing System | None mentioned | K.I.S.S. (KastKing Intrusion Shield System) |
| Main Shaft Material | Hardened metal | Stainless steel |
| Pinion Gear | Precision machined metal | Brass |
| Line Roller | Standard | Ceramic |
| Gear Type | Standard metal gears | Hamai cut precision gears |
| Suitable Environments | Freshwater, ice fishing | Saltwater, freshwater, ice fishing |
Dimension comparison
Price Comparison
The KastKing Centron Spinning Reel is about 53% cheaper than the KastKing Spartacus II Spinning Reel. At $21.57, the Centron is priced significantly lower than the Spartacus II’s $45.99, making it a more budget-friendly option for anglers seeking performance without a premium price tag. While both reels are positioned in the mid-tier market, the Centron offers nearly half the cost of its counterpart, which could be a decisive factor for those on a tighter budget or looking to purchase multiple reels.
Drag System Performance
The KastKing Spartacus II Spinning Reel features a superior 22LB max drag system, outperforming the Centron’s 17.5LB capacity by 4.5LB. This higher drag rating gives the Spartacus II an edge when fighting larger, stronger fish that require sustained pressure. The Spartacus II uses a triple disc carbon fiber drag system, designed for smooth and reliable performance under load, while the Centron relies on a standard drag system with no mention of material composition. For serious anglers targeting big game or fishing in challenging conditions, this difference in drag strength is meaningful.
Bearing Quality and Smoothness
The KastKing Spartacus II Spinning Reel includes 7+1 stainless steel shielded ball bearings, offering enhanced durability and smoother operation compared to the Centron’s 9 standard ball bearings. Although the Centron has more bearings, the Spartacus II’s use of stainless steel with shielding suggests better resistance to corrosion and wear—especially important in saltwater environments. The Spartacus II also features a hardened stainless-steel main shaft and precision gears, contributing to long-term reliability. These upgrades make the Spartacus II better suited for harsher conditions where consistent performance over time is critical.
Sealing and Environmental Protection
The KastKing Spartacus II Spinning Reel stands out with its K.I.S.S. (KastKing Intrusion Shield System), a sealed design that protects the spool, rotor, and body from water and dirt intrusion. This feature is not mentioned for the Centron, which lacks any indication of waterproofing or sealing technology. The Spartacus II’s sealed construction ensures nonstop fishing action and extends the reel’s lifespan, particularly in wet or salty environments. For anglers who frequently fish in marine or icy conditions, this protection is a significant advantage over the Centron’s open design.
Gear and Internal Components
The KastKing Spartacus II Spinning Reel uses Hamai cut precision gears and a brass pinion gear, both of which suggest higher durability and smoother power transfer than the Centron’s standard metal drive and pinion gears. The Spartacus II also includes a ceramic line roller, which reduces friction and wear on fishing line—a detail absent in the Centron’s specifications. These components collectively enhance the Spartacus II’s longevity and performance under stress, especially during prolonged fights or repeated casting sessions.
Build Materials and Design
The KastKing Spartacus II Spinning Reel features a reinforced graphite body and rotor, giving it a lightweight yet robust structure. Its Stryker Green color scheme and EVA knob provide a high-end aesthetic and improved grip. In contrast, the Centron uses a narrower graphite frame and a two-color anodized aluminum spool, which contributes to its sleek appearance but lacks mention of reinforcement or advanced materials. The Spartacus II’s design emphasizes both visual appeal and functional resilience, while the Centron focuses more on value and basic performance.
Target Use Cases and Versatility
Both reels are available in sizes 500 and 1000, making them suitable for ice fishing. However, the Spartacus II explicitly highlights its suitability for both saltwater and freshwater environments, thanks to its sealed construction and stainless steel components. The Centron is described as ideal for ice fishing but does not specify saltwater capability. Given the Spartacus II’s corrosion-resistant materials and protective sealing, it is clearly engineered for broader environmental challenges. The Centron remains a solid choice for freshwater or casual ice fishing but may not withstand extended exposure to saltwater.
Which should you buy?
Choose the KastKing Centron Spinning Reel if you're seeking a cost-effective, reliable spinning reel for freshwater or ice fishing, especially on a budget. It delivers strong performance at just $21.57—about 53% less than the Spartacus II—and includes a solid 9-bearing system and CNC-machined aluminum spool. However, if you need a reel built for durability in saltwater, demanding conditions, or long-term reliability, the KastKing Spartacus II Spinning Reel is the better investment at $45.99. Its 22LB drag, sealed K.I.S.S. system, stainless steel bearings, and premium internal components justify the higher price for serious anglers who prioritize protection, performance, and longevity.

