Shimano Movimento Centrale Bsa BB-R9100 Creme per Fondello Nuovo sviluppo anatomico senza zip

Nuovo sviluppo anatomico senza zip per ridurre la resistenza all’aria e aumentare la velocità

Superior Aerodynamics: Tube shapes optimized to drastically reduce air resistance compared to previous versions

made of SL 121 fabric

eliminating the need to choose specific tires for different terrain types

Shimano Movimento Centrale Bsa BB-R9100 Creme per Fondello Nuovo sviluppo anatomico senza zipThe Shimano BB R9100 bottom bracket represents the mechanical excellence of the Dura Ace series, designed for cyclists who demand maximum performance and lightness. Thanks to the use of small, high precision ball bearings, this component drastically reduces rotational friction and overall weight compared to previous versions. The advanced sealing structure ensures superior protection against atmospheric agents, maintaining constant pedaling fluidity