ULTRASONICALLY TREATED IN REX R&D LAB
The secret of our new lube are the Black Diamond particles that are mixed into the lube in a time-consuming ultrasonication process at our factory’s Racing Service lab.
The Black Diamond particles significantly improve the properties of the lube: Lower friction, lower wear and increased rain resistance.
In continuous metal-to-metal that occurs in drivetrain while riding, the particles form an ultra-thin and hard waterproof layer that minimizes friction and wear.
CHAIN LUBE IN INDEPENDENT LABORATORY TESTING.
Wheel Energy laboratories is one of the few completely independent chain lube efficiency testing labs in the world. They were also an important partner in the extensive development process of Rex Black Diamond chain lube.
In a 300 km dynamometer test under 175 W magnetic resistance, Rex Black Diamond gave the best overall result, leaving competing high-end chain lubricants behind. The test protocol was designed by Wheel Energy, with no instructions or other input from Rex. In addition to lab tests, Black Diamond has proven its performance in Tour de France 2019 (1 stage win).
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