Shimano Ultegra Di2 ST R8050 11-speed shift and brake lever spare part, handlebar clamp 28.8–24.2 mm, right or left
Included in item 8 of the exploded view.
Herstellerinformation: SHIMANO INC., 3-77 Oimatsu-cho, Sakai-ku, Sakai-shi, Osaka 590-8577, Japan, www.shimano.com | EU contact: Shimano Europe BV, High Tech Campus 92, 5656 AG Eindhoven, The Netherlands, www.shimano.com