Ceramic Pulley Wheels vs Aluminum: What the Lab Data Really Shows Independent laboratory testing measured a difference of 1.136 watts between
Ceramic Bottom Bracket vs Standard: Is It Worth It? The bottom bracket is the only component on a road bike where every single watt of pedalling effort passes through one pair of bearings.
Waxed Chain vs Oil Lubricated Chain: Complete Test On a clean chain in a perfectly controlled lab, the