Basic data
Brand Shimano
Country of origin of the brand Japan
Sport Bicycles
Gender Not applicable
Season Year-round
Leading colour Black
Model/product code R8170 Ultegra Di2 GRULTR8170DI2D004
Purpose Road
Code 2000107553
Product details
Type of derailleur Electronic
Number of rows 12
Brake type Hydraulic discs
Crank standard HOLLOWTECH II
Crank arm length (mm) 165
Graduation 52-36T / 11–12–13–14–15–17–19–21–24–27–30–34T
Battery capacity 3,7 Wh
Connectivity Bluetooth® LE, ANT
Technologies SHIMANO SHADOW RD, HG, HOLLOWTECH II, HOLLOWGLIDE, Reach Adjust, Shimano Di2, DCL, E-TUBE, HYPERGLIDE+, SERVO WAVE ACTION, ICE TECHNOLOGIES, ONE WAY BLEEDING
Warnings and producer's data
Producer Shimano Inc. | 3-77 Oimatsu-cho, Sakai-ku, Sakai City, Osaka 590-8577, Japonia | ccpa@shimano.com. | SHIMANO POLSKA Sp. Z o.o. | Gutenberga 9 62-023 Żerniki Polska | infopoland@shimano-eu.com