Shimano BT-R1A External Di2 Battery Diameter-2.6 Steerer Type TaperedLockout Switch CrownBrake

Steerer Type TaperedLockout Switch CrownBrake Type Post Mount 160Negative Spring AirTravel (mm) 40Offset 51Axle to Crown Length 435Front Axle 12mm Thru x 100mmMaximum Tire Width 50S

5" versions Flat Protection Tread and Sidewall Color Cranberry/Brown Defined Color Red ISO Width (mm) 40 ISO Diameter 622 / Road / 29" Tire Intended Use Gravel Tire Diameter 700c Tire Bead Folding Labeled Size 700 x 40 Tire Type Tubeless Ready Clincher PSI 60 / 80

Works with 7v-24v e-bike systems

Thanks to the unique use of pressure die casting technology the Vault Mag MTB flat pedal achieves these goals

Shimano BT-R1A External Di2 Battery Diameter-2.6 Steerer Type TaperedLockout Switch CrownBrakeShimano 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 Shifter Derailleur Compatibility Shimano Ultegra Di2