Enduro Max Radial Bearing 6801 12 x 21 x 5 Variant:Enduro Radial Bearing MAX Solid Lube 6801 LLU MAX 12 x 21 x 5 mm Grade 25 would be considered

Grade 25 would be considered a very high grade ball

thus making it easier to control pedaling smoothness and in turn your bike

the Zero+ leaves no watt wasted

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Enduro Max Radial Bearing 6801 12 x 21 x 5 Variant:Enduro Radial Bearing MAX Solid Lube 6801 LLU MAX 12 x 21 x 5 mm Grade 25 would be considered6801 LLU MAX BO MAX Design, Black Oxide, ABEC 3, radial suspension bearing 12mm x 21mm x 5mm Enduro Bearings pioneered MAX type bearings almost 20 years ago for bicycles to address the challenges associated with mountain bike pivots. MAX type bearings provide 35 40% more load capacity than standard radial bearings by utilizing a special design where the maximum number of balls are inserted into the bearing, via a custom ground slot in the races. The