Bottom bracket

The bottom bracket is one of the most important components of a bicycle. Its role is to allow the transformation of the force impressed on the pedals by the cyclist in rotary motion. Without this component, the very essence of a bicycle would disappear. It is installed at the junction point between the seat tube and the down tube, in a specific housing called the "bottom bracket box". We at Pro-M propose the central movements of Hope , resistant and reliable. Come and discover the vast assortment of bottom brackets in our store in via Gallarate 108 , Milan, or buy them immediately in our e-shop Do not forget that for orders over € 100, shipping is free and guaranteed in 48/72 hours.