Shimano BT-R1A External Di2 Battery Weight-415 Color Silver Range 13-29 Cassette

Color Silver Range 13-29 Cassette Cogs 13-14-15-16-17-19-21-23-26-29 Cassette Body Type Campagnolo 10/11/12 Speed Drivetrain Speeds 10 Weight 258 Defined Color Silver

The classic hub that defines Swiss precision and performance

At low shaft speeds it allows the fork to be more active

The Ikon is a lightweight high volume XC tire that rolls fast and has ample tread to provide secure traction in varied conditions

Shimano BT-R1A External Di2 Battery Weight-415 Color Silver Range 13-29 CassetteShimano BT R1A External Di2 Battery. Shimano Di2 Batteries. Must purchase battery charger and power cable to complete the system. All Di2 components on the bicycle require the same firmware version. Using Di2 components with different firmware versions may cause malfunctions Use Di2 system checker to update component firmware from http: e tubeproject. shimano. com TECH SPECS Shifter Derailleur Compatibility Dura Ace 7970 Di2 Shifter Derailleur