Shimano BR-R8170/ST-R8170 Ultegra Di2 1000mm front brake bike handlebars black

Reach Adjust technology is a special mechanism for adjusting the distance between the brake lever and the handlebar grip. This allows you to adjust it to suit your hand size or type of riding.

Brake and gearshift function for easier system operation. The internal components of the lever are robust and operate so smoothly and lightly that it is possible to change the front and rear gears with just one finger.

An app that connects cyclists and Shimano bikes, allowing customisation of bike settings, firmware updates and maintenance via a wireless connection to the bike.

SERVO WAVE ACTION technology is a mechanism in Shimano brake handles in which the power ratio is not dependent on the swing of the handle, but can be changed manually.

SHIMANO uses ICE TECHNOLOGIES discs and pads for excellent cooling and performance. The plated brake discs are made of stainless steel and aluminium and guarantee better heat dissipation. The pads additionally have heat dissipation ribs. This combination extends the service life of the pads, reduces noise and brake fade, and reduces weight.

Shimano brand technology developed to easily and quickly remove air in hydraulic brake systems. It simplifies the routing of oil lines in the system and prevents air bubbles from entering the system. The unidirectional discharge of mineral oil using a funnel, makes bleeding the entire hydraulic system simple and clean.

Digital automatic gear shifting system from Shimano. Features the highest technological advancement. The system offers high performance for all types of bikes and riding styles. It consists of multiple components that precisely control the movement of the rear and front derailleur, guaranteeing smooth gear changes adapted to the current speed.