Topeak Micro Airbooster 16G Inflator SOFTGOODS and which freehub type is

and which freehub type is needed

This sandwiches between the locking ring and the rim

Ultra-light hollow carbon fiber crankarms

A 1 mm thinner design provides improved clearance with integrated brakes

Topeak Micro Airbooster 16G Inflator SOFTGOODS and which freehub type isThe Micro AirBooster is an incredibly small, lightweight and easy to use CO2 inflator. Precision CNC machined from solid aluminum, the Micro AirBooster fits Presta and Schrader valves and its special design allows the user to adjust the flow while filling the tire. The supplied durable silicone CO2 Sleeve protects hands during inflation. * Use only Topeak CO2 cartridges. Specifications Material: CNC Aluminum (Inflator), Silicone Rubber (Sleeve)Size