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Importantly
We look for hidden watts — the performance gains sitting inside your current fitness level that poor technique
We have tried to make this representation as close as possible but the finished product may look slightly different from what you see on the screen
and the bearing will smoothly come out
DoubleFF Swiss ceramic black ball 2.0 outdoor-wheels ImportantlyThese bearings are manufactured with 7 balls. The theory behind this is that the slightly smaller diameter of the 7 balls ensures that you can easily get up to speed and that the total weight supported per ball is less than with the "6" ball bearings. The balls are made of black ceramic material, making them even harder than the white ceramic balls and also rust proof. Please note: the shell is made of steel, meaning cleaning is still necessary after
