Topeak Airbooster Race Pod X Kit SCV the exposed QuickTrack® system is

the exposed QuickTrack® system is compatible with all Topeak MTX TrunkBags and MTX Rear Baskets

Crank Width: 70

This leaves metal core levers both less stiff and heavier than they need to be

Compatible with 9-11sp 11/128" chains (not compatible with front derailleur shifting)

Topeak Airbooster Race Pod X Kit SCV the exposed QuickTrack® system isThe AirBooster Race Pod X is a compact and completely self contained tire inflation kit featuring an AirBooster CO2 inflator, two tire levers, two 16g CO2 cartridges, mounting module with strap. The unique mounting module straps to the aero or round tube, and provides lightning fast access to the AirBooster inflator, extra CO2 cartridge and tire levers. The perfect CO2 tire repair solution for racing, endurance or triathlon events. * Use only Topeak