SHIMANO ULTEGRA Di2 ST-R8170 + BR-R8170 12-SPEED DISC BRAKE REAR brake levers - 10/25 no need to lock while

no need to lock while wearing (for a hip circumference of 61 - 107 cm)

Featuring ProTextura™ fabric construction with waterproof PU coating and a wear proof bottom panel

Axle to Crown: 482 mm

Pro complete set for assembly and disassembly of Shimano cassettes

Bleed block for 2 and 4 piston brakes

SHIMANO ULTEGRA Di2 ST-R8170 + BR-R8170 12-SPEED DISC BRAKE REAR brake levers - 10/25 no need to lock whileThe redesigned Shimano Ultegra Di2 ST R8170 brake levers with BR R8170 caliper deliver enhanced ergonomics and superior brake modulation through SHIMANO's proven SERVO WAVE technology. Wireless electronic shifting puts precise control at your fingertips, enabling seamless gear changes and confident braking in any riding condition. Built for performance and reliability on any terrain. Features FASTEST AND MOST RELIABLE SWITCHING OPERATIONS EVER