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Do oversized derailleur pulleys really help? Part 2

Do oversized derailleur pulleys really help? Part 2

In part one of this post we analyzed oversized pulley systems and their effect on friction and shifting. Today we will look at their use in mountain bike setups and...
How often should I service my bearings?

How often should I service my bearings?

At Kogel Bearings we get a lot questions about the service interval of our bearings. The official answer is  that you should service your bearings once per year. It is...
What is the cost of a ceramic bearing upgrade for bicycles? Part 1

What is the cost of a ceramic bearing upgrade for bicycles? Part 1

Ceramic bearing upgrades come in all shapes and sizes. First there are the different parts of the bike that can be upgraded, then there is a plethora of brands and...