Central Movements

When you finally get on your beloved bike after a long day at work, whether you do it for training or simply for a quiet ride, you certainly don't want to waste precious energy for mere questions of smoothness. With every pedal stroke, a component hidden inside the frame allows you to optimize every single watt you manage to express: this small but very important element is called the bottom bracket, and thanks to the use of sealed, stainless steel or ceramic bearings with very low friction, it allows the rotation of the crankset and crankset without any effort. Never neglect the bottom bracket! So when, despite the tiredness,