Shimano BT-R1A External Di2 Battery 2.5mm/5mm/10mm/20mm }RockShox Shaft Fastener Kit Yari

}RockShox Shaft Fastener Kit Yari

Durable rattle-free bracket features tool-free mounting

Racing inspired speed and feel with the everyday durability of nylon construction

110 IS Headset UpperSealed stainless steel bearings

Multi-use tool that is used to pre-stretch cables and to micro-adjust them

Shimano BT-R1A External Di2 Battery 2.5mm/5mm/10mm/20mm }RockShox Shaft Fastener Kit YariShimano 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