Shimano BT-R1A External Di2 Battery bar dia.-31.8mm The Ninja is a Pump

The Ninja is a Pump and Co2 inflator in one

Wolf Tooth Premium headsets are machined out of aircraft grade aluminum and feature high-end bearings made by Enduro

}Five Ten Trailcross Mountain Clipless Shoes - Womens Core Black/Gray Three/Red 8

Axle length is compatible +/- 2mm

Shimano BT-R1A External Di2 Battery bar dia.-31.8mm The Ninja is a PumpShimano 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