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Ball Bearing Compatibility for Shimano SLX
Compatible with the following Shimano SLX models:
- SLX 25 BFS | XG Right, XG Left
- SLX 24 | 70, 71, 70HG, 71HG, 70XG, 71XG
- SLX 23 DC | 70, 71, 70HG, 71HG, 70XG, 71XG
- SLX 23 A | 150, 151, 150HG, 151HG, 150XG, 151XG
- SLX 22 DC XT | 70, 71, 70HG, 71HG, 70XG, 71XG
- SLX 21 BFS | Right, Left, XG Right, XG Left
- SLX 19 XT | 150, 151, 150HG, 151HG, 150XG, 151XG
- SLX 19 DC | 150, 151, 150HG, 151HG, 150XG, 151XG
- SLX 19 MGL | 70, 71, 70HG, 71HG, 70XG, 71XG
- SLX 18 | 150, 151, 150HG, 151HG, 150XG, 151XG
Spool Bearing Differences – Core vs Edge vs Apex Compared
Spool Bearing Differences – Core vs Edge vs Apex Compared
Our spool bearings differ in material composition, ball quality, cage system, ABEC precision class, and optimal tuning for your casting weight. Each class is designed for a specific application. The decisive factor is not just the ABEC rating, but the entire construction and its tuning to your setup.
Apex – ABEC 9 with S30 Ceramic Balls and PEEK Ribbon Cage
Apex bearings are our uncompromising high-performance option. They consist of ABEC 9 precision-made stainless steel rings, equipped with S30 ceramic balls and a PEEK (Polyether Ether Ketone) ribbon cage.
S30 ceramic balls enable extremely low friction and very high speeds. The PEEK ribbon retainer is a high-performance cage that ensures stability, temperature resistance, and reliable ball guidance at very high speeds.
- ABEC 9 precision standard
- S30 ceramic balls for maximum rotational pleasure
- PEEK ribbon cage for stability at high speeds & minimal friction
- Very fast spool acceleration
Thanks to this design, the spool of your baitcasting reel starts very quickly and reaches extremely high speeds, especially in the lower casting weight range.
Sweet spot casting weight: 2 to 60 g
If you mostly fish well above this range, a slightly more robustly tuned design makes sense. In this case, switching to the Edge class is recommended.
Edge – ABEC 9 Hybrid Ceramic Bearings with S25 Balls
Edge bearings are also based on an ABEC 9 precision standard. They use S25 ceramic balls combined with precision-made steel rings and a Japanese ribbon retainer.
Compared to Apex, Edge is tuned to be a bit more versatile. The design offers high speed capability combined with more mechanical stability for a broader range of applications.
- ABEC 9 precision standard
- S25 ceramic balls for high speeds
- Japanese ribbon retainer for stable ball guidance
- Balanced performance tuning
Edge bearings are available in two variants:
- With Orange Seal: Additional protection against dirt and moisture
- Without Seal: Minimal resistance for maximum rotational pleasure
Sweet spot casting weight: 5 to 100 g
If your setup regularly exceeds this range significantly, the Core class is the technically more suitable choice.
Core – ABEC 5 Stainless Steel Bearings for High Load
Core bearings consist of ABEC 5 precision-made stainless steel bearings with a stable ball and cage construction. They are designed for durability, continuous use, and consistent performance.
ABEC 5 here does not mean lower quality but a more robust tuning compared to high-speed hybrid ceramic bearings.
- ABEC 5 precision standard
- Robust stainless steel construction
- High mechanical load capacity
- Consistent performance under load
Sweet spot casting weight: 8 g to over 200 g
The Casting Weight Decides
All our spool bearings are high-quality manufactured and designed for high speeds. The crucial difference lies in the tuning to your actual lure spectrum.
Those who mostly fish very light lures benefit from maximum startup dynamics. Those covering a broader spectrum should choose a more versatile tuning. Those who consistently cast heavy should rely on robust stability.
The best performance arises when bearing class and casting weight match.
Compatible Reels
Compatible with the following Shimano SLX models:
- SLX 25 BFS | XG Right, XG Left
- SLX 24 | 70, 71, 70HG, 71HG, 70XG, 71XG
- SLX 23 DC | 70, 71, 70HG, 71HG, 70XG, 71XG
- SLX 23 A | 150, 151, 150HG, 151HG, 150XG, 151XG
- SLX 22 DC XT | 70, 71, 70HG, 71HG, 70XG, 71XG
- SLX 21 BFS | Right, Left, XG Right, XG Left
- SLX 19 XT | 150, 151, 150HG, 151HG, 150XG, 151XG
- SLX 19 DC | 150, 151, 150HG, 151HG, 150XG, 151XG
- SLX 19 MGL | 70, 71, 70HG, 71HG, 70XG, 71XG
- SLX 18 | 150, 151, 150HG, 151HG, 150XG, 151XG
RL-TNG APEX Spool Bearing Set for Shimano SLX
RL-TNG APEX Spool Bearing Set for Shimano SLX
The SLX DC brings DC brake technology into an accessible price range. The APEX ceramic bearing shows how much performance is packed into this reel when equipped with its S30 ceramic balls and PEEK cage: the spool spins more freely, casts go farther, and the feel is noticeably more direct.
Construction and Material
APEX bearings operate with ABEC 9 precision and combine S30 ceramic balls with precision-crafted stainless steel race rings and a lightweight PEEK (Polyether Ether Ketone) ribbon cage. This high-performance design minimizes friction to a minimum and enables extremely fast spool response.
- ABEC 9 precision standard
- S30 ceramic balls for maximum smoothness and durability
- PEEK ribbon cage for rotational stability with minimal friction
- Precision-crafted stainless steel race rings
Performance Characteristics
APEX spool bearings are designed for minimal resistance and maximum rotational speed capability. The spool starts especially early, responds sensitively to every impulse, and spins longer, which makes a noticeably significant difference especially with light lures.
Recommended Application Range
The optimal application range is for a casting weight of 2 to 60 g. This makes APEX bearings ideal for BFS applications, finesse techniques, and precise casts in the light to medium weight range.
Classification within the RL-TNG Bearing Classes
For versatile all-round performance that balances speed and durability, the EDGE class with S25 hybrid ceramic balls and optional Orange Seal offers the best ratio of both, ideal for 5 to 100 g.
For maximum durability with heavy setups, the CORE class with stainless steel balls is the more robust solution, for 8 to over 200 g.
APEX is the right choice when maximum sensitivity, fast spool response, and highest rotational enjoyment are the priorities.