Profile Z-Coaster FreeCoaster Hub Color & Axle Style:Black Female Axle Material : 100% 20/20 heat

Material : 100% 20/20 heat treated 4130 Chromoly

Choice of 3/8″ Bolt On or 14mm Axles-Chromoly or Titanium

Large corner radius to reduce hang ups during grinds

36mm Stack Height

Profile Z-Coaster FreeCoaster Hub Color & Axle Style:Black Female Axle Material : 100% 20/20 heatThe Z Coaster is a proprietary freecoaster style hub engineered, designed, & manufactured by Profile Racing. It essentially works as a spring pawl cassette hub that can be disengaged into a freecoaster w varying slack options. Highlights of the Z Coaster: The Z Coasters Pawl is Z shaped to allow for engagement disengagement by the center Slack Cam Ring. This allows for adjustable slack by being able to switch cam rings. They're available in 20 deg, 33