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Shimano BT-R1A External Di2 BatteryShimano 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

hub model Ibis logo hub description 12mm end cap

} 1/1 mountain chassis is mated with hookless carbon enduro rim

Fatboy Carbon (2015)

Sold Secure Bronze

color bronze length 48mm valve Presta package pair

large/deep

Bars can be flipped for another take on moustache bars

The E-sync hub is built for strength and durability with chromoly axle double row Enduro bearings 6066 alloy shell and heat-treated steel ratchet ring

size 12 count case - 13oz aerosol hazmat (no air ship) yes

Replaceable and rebuildable parts

}SRAM GX Eagle XG-1275 Cassette - 12-Speed 10-52t Black For XD Driver Body

GravityControl rubber compound for exceptional adhesive and rebound properties

Exchange/Return Notes