Specifications

14
ELECTRONIC GEAR SHIFTING SYSTEM
In order to obtain the optimum performance, it is recommended that you use the following combination of components.
Series ULTEGRA 6770
Dual control lever ST-6770*
Tool TL-EW02
Front derailleur FD-6770*
Band adapter SM-AD67
Rear derailleur RD-6770*
Chain CN-6701
Front junction: Junction (A) SM-EW67-A-E*
Electric wires EW-SD50* / EW-SD50-I*
Electric wire cover SM-EWC2*
Grommets SM-GM01* / GM02*
Lithium ion battery SM-BTR1*
Battery charger SM-BCR1*
Battery charger (SM-BCR1) cord SM-BCC1*
Battery mount SM-BMR1* / SM-BMR2*
Bottle cage adapter SM-BA01
Rear junction: Junction (B) SM-JC41* (built-in type) / SM-JC40* (external type)
PC Linkage Device SM-PCE1
Front chainwheel (bottom bracket) FC-6700 / FC-6750 (SM-BB6700)
Front hub HB-6700
Freehub FH-6700
Cassette sprocket CS-6700
Caliper brakes BR-6700
Cantilever brakes BR-CX70
Wheels WH-6700
Pedals PD-6700-C / PD-6700
* These components are part of the ULTEGRA 6770 series (electronic gear shifting system).