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Know the different types of bike grease


1. Assembly grease

It is the most common and the one that it must not be missing in your home workshop. It has a consistent texture and in addition to lubrication, with it you seek to achieve certain tightness of the area and protection against water and corrosion. We recommend that you use specific grease for bicycles and not for other uses such as automotive, since its lithium content (an agent that is used as a thickener but is aggressive with some plastic or rubber parts) is very low or, directly, non-existent.

Shimano brand general assembly grease

The areas to apply fat are the steering, the wheels, the bottom bracket, the bolts, as well as other mounting points such as the stem and the thru axles of the wheels. The screws are the most forgotten when it comes to maintaining our mountain bikes, however, we have to apply some grease to preserve them from oxidationespecially to the most exposed (stem, power, steering, bottle cage…).

Also remember to use this type of grease in the stem insert, as long as we are talking about aluminum stem and frame. In this way, you will avoid the galvanic corrosion and a possible fusion of the two parts due to moisture and water. Grease with Teflon is recommended for suspension pivots and friction caps, as it is a type of low-friction lubricant. This type of grease (although it is better if it is oil with Teflon) can also be used for sheaths and cables.

Know the different types of bike grease

There is also a fat that is usually from brown color with copper base, which prevents two metal surfaces such as aluminum and titanium from fusing together as we mentioned before. It can be used in pedal shaft threadsor even at the junction of the plates or plate with the connecting rod.

2. Grease for carbon components

This type of fat is used when one of the two components in contact or both, are made of carbon. It is usually used in key points such as the union of the stem and handlebars, stem and frame and even carbon saddle rails and carbon stem. It is a special grease with sandy particles, which generate friction between both materialspreventing them from moving or generating annoying noises.

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This fat never used on carbon frames in areas like bottom bracket or steering bearings, as they would seriously damage the frame and the bearings due to material wear that would be generated by the particles integrated in the grease. And of course, never to the steering tube with its connection to the power. This must always be fully clean and free of any type of fat.

Specific friction grease for Morgan carbon components

Also take into account some components such as aluminum rods to be installed in carbon frames, since these friction particles can scratch the stem. Try to Review with a small amount first and see if it doesn’t scratch it.

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3. Grease for wheel bearings

There are different types of roller grease, but if your bike has conventional ball rollers (open bearings) and cones, you can use the Shimano specific one or any other brand. The roller grease will also be used to grease the rollers sealed bushing bearings if you changed or cleaned them and for the shaft itself. Be very careful not to put this type of fat on the hub ratchets or sprockets and hub springs as we tell you below.

Know the different types of bike grease

4. Grease for roller cores

Grease used in ratchets or roller hub connection systems, it usually has a lower density so that a paste is not generated that block the operation of small parts of the connection system. Brands like DT Swiss they have theirs specific grease for the ‘Ratchet’ systemor Mavic use a very light oil and not fat, for his ratchets. The best thing before greasing the core of your bike is that, in addition to cleaning it well, check with the manufacturer to see what type of grease and oil they recommend.

Specific grease for the DT Swiss Ratchet system

5. Greases with ceramic components

Today we have many ceramic bearings in our bikes. Especially in areas such as wheels and bottom bracket axles. For this reason, to grease these bearings, it is advisable to always use grease with ceramic particles. In this way, you will increase the smoothness of operation, without damaging the expensive ceramic bearings. Of course, it also applies to the ceramic bearings of the rear gear wheels.

Finish Line Ceramic Bearing Grease

6. Other types of fats

In addition to the main fats that we have detailed, there are other types that are used to a lesser extentbut they are also very important. On the one hand, we have for grease for use in disc brakeswhich applies to areas such as piston seals to the caliper, or to the cable junction cannula with the handle after cutting the cable. The pistons and piston seals are one of the key points to grease in the maintenance and bleeding of disc brakes that already have several years of use.

SRAM/Avid grease for use in disc brake maintenance

On the other hand, the grease for suspension sealsis used when you do the maintenance of forks and shock absorbers and is usually applied to the area of ​​the retention, to improve the tightness and reduce the friction of the bars when moving with the retainers.

Specific grease for ebike connections

Another type of fat that should not be forgotten is the specific for the electrical connections of ebike batterieswhich, with a silicone base, they prevent corrosion of the terminals and improve their protection against water and humidity. It is a dielectric type of fat, which maintains the electric field, without electricity passing through it as an insulator.

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