Good bike chain oil
What is a good bike chain oil? What is the key to a smooth ride and longevity of your drivetrain?
The bicycle chain, although inconspicuous, is the heart of every bike's drive. It is what transfers the power of our legs to the wheel, allowing us to move. However, this constant movement, metal-on-metal friction, dust, dirt and moisture are factors that can drastically shorten its lifespan and worsen the comfort of riding. The key to keeping the chain in optimal condition is regular and proper lubrication. Among the lubricants available on the market, synthetic oils stand out with a number of advantages, making them an excellent choice for demanding cyclists who want maximum efficiency and durability of their equipment.
Why is chain lubrication so important?
Imagine a bicycle chain mechanism magnified. It consists of hundreds of precisely fitted links, rollers and pins. When pedaling, these components constantly rub against each other under great pressure. Without proper lubrication, the friction between the metal surfaces increases dramatically. The consequences are manifold:
- Increased friction and drag: Lack of lubrication means greater rolling resistance, which translates into a noticeably heavier ride. We lose energy overcoming friction instead of effectively propelling the bike.
- Faster chain and sprocket wear: Friction causes metal to wear away. An unlubricated chain stretches faster, and the crank and cassette sprockets wear out faster. In extreme cases, the chain can be damaged and snapped while riding, which is dangerous and generates additional repair costs.
- Worse shifting: Chain friction negatively affects the precision and smoothness of gear changes. Gears may engage with delay or even skip.
- Corrosion: A bike chain is exposed to water, mud, road salt and other corrosive elements. Lubricant creates a protective barrier, preventing rust and extending the life of the chain.
- Noise: An unlubricated chain is noisier, making characteristic squeaking and crackling noises, which reduces riding comfort.
Regular chain lubrication is therefore a fundamental element of bicycle maintenance, affecting comfort, safety and operating costs.

Synthetic oils – advantages over mineral oils
There are a variety of bike chain lubricants available on the market, including mineral and synthetic oils. While mineral oils are typically cheaper, synthetic oils offer a number of significant advantages that make them a better choice, especially for cyclists concerned about the performance and durability of their equipment.
What are the characteristics of synthetic oils?
Synthetic oils are created in a chemical synthesis process, which allows for precise control of their composition and properties. Unlike mineral oils, which are a product of crude oil distillation and contain a mixture of various hydrocarbons, synthetic oils consist of homogeneous molecules with a precisely defined structure. This controlled molecular structure translates into a number of benefits:
- Better lubrication properties: Synthetic oils have a lower coefficient of friction than mineral oils. This means less resistance and more efficient power transfer.
- Higher resistance to extreme temperatures: Synthetic oils retain their lubricating properties over a wider temperature range, both in heat and frost. They are less likely to thin at high temperatures and thicken at low temperatures, ensuring stable chain protection in a variety of climatic conditions.
- Better resistance to oxidation and ageing: Synthetic oils are more resistant to oxidation and ageing, which means they retain their lubricating and protective properties for longer. They need to be changed less often, which can be more economical in the long run.
- Better corrosion protection: Synthetic oils create a more durable and tighter protective layer on the chain surface, providing better protection against moisture and corrosive agents.
- Reduced dirt build-up: While no oil is completely immune to attracting dirt, synthetic oils often have a lower tendency to attract dirt. Some synthetic oils contain additives that help flush dirt out of the chain.
- Potentially better for the environment: Some synthetic oils are biodegradable or less toxic than mineral oils, which can be important for environmentally conscious cyclists.
Types of Synthetic Bike Chain Oils
There are different types of synthetic bike chain oils available on the market, designed for different riding conditions and rider preferences. They can be broadly divided into:
- Dry Lube: Low viscosity, fast drying oils. They create a thin, dry lubricating film that minimizes dirt and dust attraction. They are ideal for driving in dry and dusty conditions. However, they do not provide as good protection in rain and mud as wet oils.
- Wet Lube: These oils have a higher viscosity and leave a more oily film on the chain. They provide excellent protection against water, mud and corrosion. They are ideal for riding in wet and muddy conditions and on difficult terrain. Unfortunately, wetter oils tend to attract more dirt and dust.
- "Universal" oils (All-Condition Lube): These are a compromise between "dry" and "wet" oils. They are designed for driving in variable weather conditions and try to combine the advantages of both types of oils.
- Oils with special additives: Some synthetic oils contain additives such as PTFE (Teflon), ceramics, molybdenum or graphite, which are intended to further improve their lubricating, protective or friction-reducing properties.
How to properly lubricate a bicycle chain with synthetic oil?
Properly lubricating a bike chain with synthetic oil is a simple process, but requires care. Here is a step-by-step guide:
- Preparation: Place the bike in a stable position, preferably on a service stand. Prepare synthetic oil, a rag or paper towel, chain degreaser (optional, but recommended for a very dirty chain).
- Chain Cleaning: This is a crucial step. There is no point in lubricating a dirty chain. Use a dry cloth to remove surface dirt and dust. If the chain is very dirty, use a chain degreaser according to the manufacturer's instructions. You can use a chain washer or simply spray the chain with a degreaser and wipe it with a cloth. Be sure to dry the chain thoroughly after using the degreaser.
- Oil application: Apply synthetic oil to each chain pin. It is best to apply oil one drop at a time to each pin while pedaling backwards. You can also apply oil to the inside of the chain, where the rollers meet the sprockets. Do not overdo it with the oil. Too much oil will attract more dirt.
- Removing excess oil: After applying oil, wait a few minutes for the oil to penetrate the chain links. Then use a clean cloth to thoroughly wipe excess oil from the outside of the chain. The chain should be lubricated inside but dry outside.
- Check: Pedal forward and backward to distribute the oil evenly over the chain. Check that the chain runs quietly and smoothly.
Lubrication frequency
How often you should lubricate your bike chain with synthetic oil depends on many factors, such as riding conditions, how hard you use your bike, and the type of oil you use. General guidelines are:
- Driving in dry conditions: Every 100-300 km.
- Riding in wet or muddy conditions: After every ride or every 50-100 km.
- Intensive riding (e.g. training, racing): More often, even after every ride.
- When the chain starts making noise: Lubricate immediately.
Regularly checking the condition of the chain and listening to its operation is the best way to determine the optimal lubrication frequency.
Summary – benefits of chain lubrication with synthetic oils
Lubricating your bicycle chain with synthetic oils is an investment that brings tangible benefits:
- A smoother, quieter ride: Reducing friction translates into a more comfortable ride and an improved driving experience.
- More efficient power transfer: Less resistance means more of your pedalling energy is transferred to the bike's drive system.
- Longer life for chain and drive components: Protection against wear and corrosion extends the life of your chain, sprockets and cassette, saving you money in the long run.
- Better gear shifting: A properly lubricated chain ensures precise and smooth gear changes.
- Corrosion protection: Synthetic oils effectively protect the chain against rust and corrosion, especially important in difficult weather conditions.
- High performance under various conditions: Synthetic oils retain their lubricating properties over a wide range of temperatures and atmospheric conditions.
By choosing synthetic oil to lubricate a bicycle chain, we invest in efficiency, durability and ride comfort. Regular and proper lubrication is the key to the longevity of the drive and the pleasure of every bicycle trip. Remember that a well-maintained chain means a well-maintained bicycle!
EVIL Lubricants' offer includes synthetic products for lubricating bicycle chains, which are the most popular and include the following products:
EVIL DRY LUBE OIL FOR DRY CONDITIONS
EVIL MICRO LUBE OIL FOR VARIABLE CONDITIONS
EVIL SILK LUBE OIL WITH SILICONE
EVIL VOLT LUBE ELECTRIC BIKE OIL