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 R8100P Ultegra DI2 DM GRULTR8100PDI2RDM012
Purpose Road
Code 2000107551
Product details
Type of derailleur Electronic
Number of rows 12
Brake type Mechanical jaws
Crank standard HOLLOWTECH II
Crank arm length (mm) 175
Graduation 52-36T / 11–12–13–14–15–17–19–21–24–27–30–34T
Battery capacity 3,7 Wh
Connectivity Bluetooth® LE, ANT, ANT+
Technologies SHIMANO SHADOW RD, HG, Shimano Power Meter Technology, HOLLOWGLIDE, Reach Adjust, HOLLOWTECH II, DCL, E-TUBE, Shimano Di2, SLR-EV, SIL-TEC, HYPERGLIDE+
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