Freewheel Cog

The Alpha One w/ Freewheel Kit and the Alpha Two, Zulu One and Zulu Two all come standard with 14T freewheel cogs.  These freewheel cogs are only necessary if you want to change the gear ratio.

 If you are looking for a shorter or taller gear ratio on the Alpha Two, Zulu One, Zulu Two or the Alpha One with the Freewheel Kit, swap out the standard 14T freewheel cog with  one of these freewheel cogs.

Requires a 8-spline tool to remove the standard freewheel and a Crossfire 6-spline tool to install the ACS freewheel.

Gain Ratios of Different Cogs Prevelo Models

  13T 14T (Standard) 15T
Zulu One & Alpha One (With Freewheel Kit) 4.0 3.7 3.5
Zulu Two & Alpha Two 4.1 3.8 3.6


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