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Viscosity – What does it mean for rolling oil?
Viscosity describes how
Basically:
- Thin oils ensure maximum smoothness and minimal friction
- Thicker oils offer more protection and better withstand heavier loads
The choice of the right viscosity therefore always depends on which component you want to lubricate and how heavily it is loaded.
Our viscosity grades at a glance
To make your choice easier, we have divided our reel oils into five viscosity grades.
Very low viscosity
Extremely thin oil for maximum performance.
Typical applications:
- Reel bearings
- BFS
- light lures
These oils reduce friction in the ball bearing to a minimum and allow a very free rotation of the reel. 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:
- Reel bearings
- light lures
- all-round
These oils offer a good compromise between strong casting performance and additional bearing protection.
Medium viscosity
The all-round range for many applications in the fishing reel.
Typical applications:
- all-round
- wormshaft
- line roller
The focus here is not on maximum speed, but on a smooth operation and reliable lubrication under normal load.
High viscosity
Thicker oil for components with higher loads.
Typical applications:
- gearbox
- wormshaft
- heavily loaded parts
This oil stays in place longer and offers more wear protection. 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
The focus here is not on speed, but on 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 reel to run more freely and support performance.
3. Load on the reel
The more a component is loaded, 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 reel bearings, line rollers, 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 move quickly or need to 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 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: Reel grease is often recommended here 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
Reel grease provides more stable lubrication and better protection under load in these areas.
Important Tip
The basic rule for reel oil 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 parts. 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 parts 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
When it comes to reel oil, the rule is almost always: less is more. A small drop per bearing is usually enough. Too much oil can attract dirt and even reduce the reel’s performance.
Hedgehog Studio Alchemy Oil Ultra Light Roll-On Oil
Hedgehog Studio Alchemy Oil Ultra Light Roll-On Oil
Does your fishing reel need a general overhaul?
Are your ball bearings not spinning as well as usual or do you simply want to eliminate the annoying squeaking and groaning that you hear every time you cast the bait?
Hedgehog Studio has developed the Alchemy Oil precisely for such cases!
The made in Japan Ultra Light Oil with extremely low viscosity is perfect for your baitcaster reel or stationary reel the care to treat her to what she deserves.
The oil comes to you in a practical bottle with a needle nozzle. This allows you to dose it extremely precisely and ensure that only the necessary parts get the oil - not a drop is wasted.
Hedgehog Studio uses this oil in all Kattobi ball bearings .
Basically, this oil is suitable for all small moving parts such as ball bearings, coil bearings, coil shafts, brake buttons, knob ball bearings and much more.
By using the oil, these parts last significantly longer and require less maintenance.
Due to the low friction, the small fishing reel parts run much more smoothly.
FAQ – Reel Oil for Fishing Reels
The appropriate roller oil depends on which component needs lubrication and how heavily it is loaded. Thin oils are especially suitable for fast-rotating parts like spool bearings, while thicker oils are used more for heavily loaded mechanisms.
In our shop, we have sorted the oils by viscosity and application area. This way, you can quickly see which oil is suitable, for example, for spool bearings, line rollers, or all-round applications.