CCACHE x Giant Propel 9mm Bearing Cover R3 Ventilation: excellent ventilation through 8

Ventilation: excellent ventilation through 8 air inlets and 6 air outlets

Rapidly biodegradable not having PTFE

Rim height: 19

being careful not to catch on cleats

to ensure balanced and safe braking in all conditions

CCACHE x Giant Propel 9mm Bearing Cover R3 Ventilation: excellent ventilation through 8Further aero gains for this already fast New Giant Propel using our custom made headset bearing dust cover to reduce the stack height from the existing 20mm to 9mm. The lowest possible stack using the stock headset cover is 20mm as it is a 2 piece component while ours combines everything into one. Options also available to integrate other cockpits of your choice, which will be supplied with a wedge for the Propel's D Shaped fork. Specifications