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Consistency – How thick is the rolling grease?
The consistency describes how soft or firm a reel grease is. It determines how well the grease adheres to parts, how well it withstands pressure, and how easily the mechanism moves.
Unlike reel oil, grease is significantly more viscous and stays in place longer. This makes it especially suitable for gears, gearboxes, and heavily loaded mechanisms.
Depending on the application area, different consistencies can be useful.
Our consistency levels at a glance
Soft
Soft greases are soft and easy-running.
They spread quickly in the gear and ensure a very smooth operation of the reel.
Typical areas of use:
- light Baitcaster reels
- BFS reels
- finely tuned reels
- Gears with low load
- Reels where an especially smooth operation is desired
Soft greases reduce friction and ensure a very smooth cranking motion.
Medium
Medium greases are the all-round category.
They offer a good balance of easy running and wear protection.
Typical areas of use:
- Gears of Baitcaster reels
- Wormshaft in medium reels
- All-round applications
- Reels with normal load
This consistency is often used because it offers both protection and a pleasant smooth operation.
Heavy
Heavy greases are especially thick and pressure-resistant.
They stay in place even under high load and reliably protect the mechanism.
Typical areas of use:
- heavily loaded gears
- large Baitcaster reels
- saltwater reels
- heavily stressed mechanisms
Heavy greases offer maximum protection against wear and are ideal for reels used under high load.
Application areas of reel grease
Besides consistency, the application area of the grease is also crucial. Different parts of a fishing reel are stressed differently and therefore require suitable lubrication.
That’s why we have additionally categorized our reel greases in the shop by typical areas of use.
Gear
The gear of a fishing reel is one of the most heavily stressed components. Here, gears mesh and transmit power when cranking.
Reel grease in the gear provides:
- a smooth and even operation of the reel
- reduced wear of the gears
- a durable lubrication under load
The appropriate consistency strongly depends on the size and load of the reel.
Light Baitcaster Reels / BFS Reels
For very light reels or finesse setups, many anglers benefit from soft greases in the gear. These create less resistance and ensure a particularly smooth and easy cranking motion.
All-round reels
For most reels, medium grease is a good balance of smooth operation, protection, and durability.
Large or heavily loaded reels
For larger reels or high loads, heavy grease is often advisable because it adheres better and protects the gears more effectively.
Brake system
Some reel greases are specially developed for brake systems (drag system).
These greases ensure that:
- to ensure the brake works evenly
- to prevent jerky brake movements
- to keep the brake discs protected
Important: Not every grease is suitable for brake systems. Therefore, a designated drag grease should always be used here.
All-round
All-round greases can be used in many areas of a fishing reel.
Typical applications:
- Gear
- Wormshaft / Levelwind
- moving mechanisms
- general maintenance
These greases offer a good balance of smooth operation, protection, and durability and are especially practical for regular maintenance of a fishing reel.
What you should pay attention to when choosing
Reel load
The more a component is stressed, the more stable the grease should be.
Reel size
Smaller reels often benefit from softer greases, while larger reels require a more stable grease.
Fishing technique
In finesse fishing or when using BFS reels, a lighter operation is often preferred, while with large lures or strong fish, more protection is more important.
Consider the application area
Pay attention not only to the consistency but always also to the intended application area of the grease. Some greases are specially designed for the gear, others for the brake system, and some are particularly suitable as all-round grease for multiple areas.
Tip for choosing the right reel grease
If you are unsure which grease suits your fishing reel, refer to the consistency and the application area of the product. For many uses, a medium grease as an all-round solution is a very good choice, while soft greases can especially offer advantages for BFS reels and light baitcasters. For heavily loaded gears or brake systems, specially formulated greases are usually the better choice.
Where do you apply grease in the fishing reel?
Reel grease is mainly used in a fishing reel where components are heavily loaded or operate under pressure. Due to its viscous consistency, grease stays in place longer and reliably protects the mechanism from wear.
Unlike Reel oil, grease is especially suitable for gears, gearboxes, and mechanical components under higher loads.
Typical application areas for Reel grease
Main gearbox
The main gearbox is one of the most important areas for Reel grease. Here, gears mesh and transmit power when cranking.
- reduces gear wear
- ensures smooth and even operation
- protects the gearbox in the long term
For very light reels or BFS setups, softer greases are often used, while for larger reels, a more stable grease is advisable.
Gears and drive parts
Other gears and mechanical drive parts also benefit from Reel grease. The lubrication ensures that the gears mesh cleanly and do not wear unnecessarily.
- reduces mechanical friction
- extends the lifespan of the components
- ensures even power transmission
Wormshaft / Levelwind System
The Wormshaft moves the line guide and is lubricated differently depending on the reel size.
- for medium and larger reels, grease is often used
- for very light reels, oil can also be used
Grease provides durable lubrication here and protects the mechanism under higher loads.
Brake system
Some Reel greases are specially developed for brake systems (Drag Systems).
This grease ensures that:
- the brake operates evenly
- no jerky braking movements occur
- the brake discs are protected
Important: For brake systems, a suitable Drag Grease should always be used, as not every grease is suitable for this area.
Heavily loaded mechanisms
Other mechanical parts of a fishing reel also benefit from Reel grease, especially when they operate under pressure.
These include, for example:
- mechanical levers
- drive components
- heavily loaded moving parts
Here, grease ensures stable lubrication and prevents unnecessary wear.
Where should Reel grease not be used?
For fast-rotating components, Reel grease is generally not suitable. Instead, Reel oil is used in these areas.
Typical examples:
- Spool bearings
- Line roller bearings
- Spool ball bearings
Here, grease would slow down the rotation and impair the reel's performance.
Exception: Greased ball bearings
In some cases, ball bearings can be deliberately greased. Especially stainless steel ball bearings or bearings from the heavy-duty range are often greased from the factory.
This has several advantages:
- better protection against corrosion
- longer lubrication effect
- higher load capacity under pressure
Such bearings are often used where reliability and durability are more important than maximum speed.
In baitcaster tuning, spool bearings are often deliberately operated with thin reel oil to achieve the smoothest possible spool rotation.
Pro tip – seal screws and housing
A small but very effective trick in reel maintenance is to lightly coat housing screws with reel grease.
This has several advantages:
- Screws can be loosened much more easily during the next maintenance
- Saltwater and moisture have a harder time penetrating the threads
- Dirt and deposits adhere less firmly
Especially when used in saltwater, this small step can help prevent corrosion and make reel maintenance easier in the long run.
Many anglers also refer to this as "sealing the reel". Grease is applied specifically to spots where dirt or water could enter the reel.
Typical sealing points
Many tuners lightly grease the following areas to make it harder for saltwater and dirt to penetrate:
- Side plate sealing surfaces
- Frame transitions
- Levelwind cap threads
- Housing screws
These areas are considered typical entry points for water and dirt. A thin layer of grease can act as an additional protective barrier here.
When grease is placed at the right entry points, saltwater, moisture, and dirt have a much harder time getting inside the reel.
Tip from practice
For reel grease, the rule is: A thin layer is completely sufficient.
Too much grease can unnecessarily make the mechanics stiff. An evenly distributed, thin layer provides optimal protection and smooth operation of the reel.
Roller Grease vs Roller Oil – When to Use Which?
When maintaining a fishing reel, typically two different lubricants are used: reel oil and reel grease. Both serve different purposes and should be applied specifically where they can provide the most benefit.
The most important basic rule is:
- Reel oil for fast-spinning and smoothly running components
- Reel grease for heavily loaded mechanisms and parts under pressure
When is reel oil used?
Reel oil is much thinner than grease and is especially suitable for parts that move quickly or need to run as freely as possible.
Typical applications for reel oil include:
- Spool bearings of baitcasting reels
- Line roller on spinning reels
- Bearings of knobs and handles
- Wormshaft / levelwind system on light reels
- Small moving mechanisms
Especially with BFS reels, finesse setups, and when using light lures, very thin reel oil is often used to reduce friction and achieve the smoothest rotation possible.
When is reel grease used?
Reel grease is much thicker than oil, adheres better to parts, and stays in place longer. This makes it particularly suitable for parts that are heavily loaded or need long-lasting protection.
Typical applications for reel grease include:
- Main gear
- Gears
- Wormshaft on medium and larger reels
- Heavily loaded mechanisms
- Brake systems with appropriate drag grease
- Housing screws and sealing surfaces
Reel grease ensures smooth operation, reduced wear, and stable lubrication under load in these areas.
The key differences
Reel oil
- Thin consistency
- Reduces friction in fast-spinning parts
- Ideal for bearings and small moving parts
- Ensures maximum smoothness
Reel grease
- Thick and adhesive
- Stays in place longer
- Ideal for gears and gear wheels
- Provides more protection under load
Which is better – oil or grease?
The short answer: Both.
A well-maintained fishing reel usually requires both reel oil and reel grease. Oil provides maximum smoothness for fast-moving parts, while grease protects heavily loaded mechanisms.
Using only oil or only grease often sacrifices either performance or protection. The best solution is therefore a targeted combination of both lubricants.
Exceptions and tuning differences
Depending on the reel and application, deliberate deviations from the standard lubrication can be made.
- With BFS reels or very light setups, a very soft grease is often used in the gear to make the reel run especially smoothly.
- Some tuners deliberately use oil instead of grease on the wormshaft of light reels to further reduce friction.
- Stainless steel bearings or heavy-duty bearings are often factory-greased because protection and durability are more important there than maximum speed.
Tip for selection
If you are unsure, always start by considering the application area of the part:
- Spool bearings or fast-spinning parts → reel oil
- Gears or gear wheels → reel grease
- Brake system → special drag grease
This way, you can quickly find the right lubricant for your fishing reel.
Deuthlon Semi Fluid Grease | 30 ml
Deuthlon Semi Fluid Grease | 30 ml
The Semi Fluid Grease from Deuthlon, has the lubricating properties of grease, but the viscosity of an oil-based lubricant for ease and a low coefficient of friction.
Greases are known for their durability when lubricating Bearings, but have a poor coefficient of friction that makes the operation of Bearings difficult. Oil-based lubricants offer a very low coefficient of friction for Bearings to run as smoothly as possible, but provide poor durability.
Here lies the catch, Deuthlon has found a solution for this, from anglers for anglers, the Semi Fluid Grease offers a perfect balance between durability and low coefficient of friction for use in Bearings and gears with low load, as found in fishing reels.
Advantages of Semi Fluid Grease:
- Super low coefficient of friction - for easy and smooth operation.
- Grease consistency - durability comparable to conventional greases.
- Dust-Shield technology minimizes dust/dirt sticking to the grease, the worst enemy of grease.
- Excellent adhesion to surfaces with its unique Polarized technology.
- Excellent water resistance, sealing, and corrosion-resistant properties.
- Non-toxic, environmentally friendly – solvent-free makes this grease safe for rubber, plastics, and soft metals.
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FAQ – Grease for Fishing Reels
Roller grease is mainly used for heavily loaded components of a fishing reel. This primarily includes the main gear, gears, mechanical drive parts, and sometimes the worm shaft.
Compared to roller oil, grease is much thicker and adheres better to components. This ensures the lubrication lasts longer and reliably protects the mechanism from wear.