Lezyne CO2 Control Drive Head Only Colour:Black this derailleur stands up to

this derailleur stands up to harsh trail impacts

which offers more hand positions for increased comfort and leverage on long mountainbike rides

together with the rotor’s small internal round holes

The FR 541 may not be your first rim

Lezyne CO2 Control Drive Head Only Colour:Black this derailleur stands up toA durable CO2 dispenser constructed from CNC machined aluminum, the Control Drive CO2 features control valve operation for easy, precisely controlled bicycle tire inflation and a Twin Slip Chuck head which presses onto both Presta and Schrader valves. CNC machined aluminum dispenser Control knob twists for easy inflation Twin Slip Fit head presses onto Presta and Schrader valves Neoprene sleeve insulates hands from cold during discharge Compatible