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Viscosity – What Does It Mean for Rollers Oil?
Viscosity describes how
Basically:
- Thin oils ensure maximum smoothness and minimal friction
- Thicker oils offer more protection and better withstand higher stress
The choice of the right viscosity therefore always depends on which component you want to lubricate and how heavily it is stressed.
Our viscosity levels at a glance
To make your choice easier, we have divided our reel oils into five viscosity levels.
Very low viscosity
Extremely thin oil for maximum performance.
Typical applications:
- Spool bearing
- BFS
- light lures
These oils reduce friction in the ball bearing to a minimum and enable a very free rotation of the spool. Especially for baitcaster tuning or finesse fishing with very light lures, an oil with very low viscosity is ideal.
Low viscosity
Light oil for fast bearings with a bit more stability.
Typical applications:
- Spool bearing
- light lures
- all-round
These oils offer a good compromise between strong casting performance and additional protection of the bearings.
Medium viscosity
The all-round range for many applications in the fishing reel.
Typical applications:
- all-round
- Wormshaft
- line guide reel
Here, the focus is not on maximum speed but on a smooth operation and reliable lubrication under normal load.
High viscosity
Thicker oil for components with higher load.
Typical applications:
- gearbox
- Wormshaft
- heavily loaded parts
This oil stays in place longer and offers more protection against wear. It is suitable for areas where more pressure, friction, and load occur.
Very high viscosity
Very thick oil for particularly heavily stressed areas.
Typical applications:
- heavily loaded parts
- gearbox
- Wormshaft
Here, speed is not the priority, but maximum protection and stable lubrication under high load.
What should you consider when choosing?
1. Component application
Fast rotating bearings require rather thin reel oil, while more heavily loaded mechanisms benefit from a higher viscosity.
2. Fishing technique and area of use
For BFS fishing or when using light lures, especially thin oils make sense because they allow the spool to run freer and support performance.
3. Load on the reel
The more a component is stressed, the more important lubrication with some durability becomes. In such areas, an oil with medium, high, or very high viscosity is often the better choice.
4. Less is more
For reel oil, usually a small drop per bearing or component is enough. Too much oil can reduce performance, attract dirt, and unnecessarily hinder operation.
Tip for choosing the right reel oil
If you are unsure which oil suits your fishing reel, your application, or your setup, simply refer to our viscosity filter and the respective application area on the product. This way, you will find the right reel oil for fishing reels faster, whether for spool bearing, line guide reel, Wormshaft, gearbox, or BFS applications.
Where do you apply roller oil on the fishing reel?
Reel oil is mainly used in a fishing reel for fast-rotating or moving components. It ensures smooth operation, reduces friction, and protects sensitive mechanisms from wear.
Unlike reel grease, reel oil is significantly more fluid and is therefore especially suitable for parts that need to move quickly or run smoothly.
The main areas where reel oil is used are:
Spool Bearings (Baitcaster)
The spool bearings are among the most important spots for reel oil. They largely determine the casting performance of a baitcaster reel.
- a small drop of oil per bearing is completely sufficient
- thin oils ensure maximum spool rotation
- especially important for BFS fishing and light lures
Too much oil can even reduce casting distance, so always use sparingly.
Line Roller (Spinning Reels)
The line roller is constantly in motion and heavily stressed. A drop of reel oil ensures it runs smoothly and guides the line cleanly.
- prevents squeaking noises
- reduces wear
- ensures smooth operation
Wormshaft / Levelwind System
The wormshaft (also called the levelwind system) moves the line guide from left to right and ensures the line is evenly distributed on the spool.
When lubricating this area, the size and load of the reel are very important.
- Light baitcaster reels / BFS reels: A thin reel oil ensures particularly smooth operation.
- Medium to larger reels: Here, reel grease is often recommended because the wormshaft is more heavily loaded and grease provides a more stable and durable lubrication.
Oil can make the operation a bit freer in this area, while grease offers more protection and a more stable lubrication under load.
Expert Tip from Baitcaster Tuning
Some anglers and tuners deliberately use reel oil instead of grease on the wormshaft to further reduce friction in the levelwind system.
This allows the line guide to move a bit more freely, which can enable a slightly better spool rotation and casting performance on some reels.
Although this effect is not huge, it can provide a small advantage, especially when BFS fishing or using very light lures.
For more heavily loaded reels or when fishing with larger lures, however, reel grease remains the safer choice because it lubricates longer and protects better against wear.
Knobs and Handle Bearings
The bearings in crank knobs (knobs) or the handle shaft also benefit from a small drop of reel oil.
- ensures smooth crank movement
- prevents creaking or stiff operation
- improves the overall feel of the reel
Small Moving Mechanisms
Other small mechanisms can also be oiled occasionally:
- clutch mechanism
- moving levers
- small bearing points
Usually, a very small amount of oil is enough to maintain mobility.
Where should reel oil not be used?
Not all areas of a fishing reel should be lubricated with oil. For heavily loaded gears or gearboxes, reel grease is usually the better choice.
These include, for example:
- main gear
- gears
- heavily loaded drive parts
Here, reel grease provides more stable lubrication and better protection under load.
Important Tip
With reel oil, the rule is: less is more.
Usually, a small drop is enough to optimally lubricate a bearing or component. Too much oil can attract dirt and even worsen the reel’s operation.
Roller Oil vs Roller Grease – When to Use Which?
When maintaining a fishing reel, two different lubricants are usually used: reel oil and reel grease. Both serve different purposes and are applied to different parts of the reel.
The most important rule is:
- Reel oil for fast-rotating components
- Reel grease for heavily loaded mechanisms
When is reel oil used?
Reel oil is thin and is especially suitable for parts that move quickly or need to run as smoothly as possible.
Typical applications for reel oil are:
- Spool bearings of baitcasting reels
- Line roller on spinning reels
- Wormshaft / levelwind system on light reels
- Bearings of knobs or handles
- Small moving mechanisms
Thin reel oils reduce friction and ensure particularly smooth operation of the components. Especially in baitcaster tuning, the right reel oil can noticeably improve casting performance.
When is reel grease used?
Reel grease is much thicker than oil and stays in place longer. It is mainly used where parts are under greater stress or more pressure is applied.
Typical applications for reel grease are:
- Main gear of the fishing reel
- Gears
- Heavily loaded mechanisms
- Wormshaft on larger reels
- Brake systems
Grease provides stable lubrication here and reliably protects the components from wear.
Why both lubricants are important
A well-maintained fishing reel usually uses a combination of reel oil and reel grease. While oil ensures maximum smoothness, grease protects the more heavily loaded parts.
The right combination of both lubricants keeps your fishing reel durable, running smoother, and maintains its performance over many uses.
Practical tip
With reel oil, it almost always applies: less is more. A small drop per bearing is usually sufficient. Too much oil can attract dirt and even reduce the reel’s performance.
Glitch Oil Tumble Weed
Glitch Oil Tumble Weed
Not sliding smoothly anymore? Your reel croaks and groans with every cast? Then it's time to give your reel a care treatment with Glitch Oil, the high-performance oil from Japan!
The maintenance oil for miniature bearings Tumble Weed Oil is characterized by its extremely low viscosity. This is especially advantageous for moving parts in your baitcasting or spinning reel.
Tumble Weed is a very versatile oil; we like to use it for our maintenance service.
The oil has excellent rust protection and is saltwater resistant.
Due to reduced friction, for example, ball bearings in your fishing reel run much smoother and faster. The result is a significantly higher performance that also becomes noticeable in casting distance.
We recommend Glitch Oil Tumble Weed for the maintenance and care of your fishing reel for the spool bearing, knob bearing, ball and roller bearings.
FAQ – Reel Oil for Fishing Reels
The right reel oil depends on which component needs to be lubricated and how heavily it is loaded. Low-viscosity oils are particularly suitable for fast-rotating parts such as spool bearings, while thicker oils are generally used for more heavily loaded mechanisms.
In our shop, we have sorted the oils by viscosity and application area. This makes it easy to see which oil is suitable, for example, for spool bearings, line rollers, or all-round applications.