ACS freewheel

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 ACS freewheel 14-18t

Available as Claws, Crossfire and Crossfire PRO


Stronger, less expensive, and easier to replace than cassette hubs. ACS has set the standard for freewheels for almost 2 decades! Crossfire freewheels are removable with our unique 6-spline tool that fits all sizes. 3 pawls engage 30 steps (every 12 degrees). Fits 3/32" or 1/8" chains.

Available sizes:

    Smaller M30 Threads: 13T, 14T, 15T
    Standard Threads: 16T, 17T, 18T, 19T, 20T, 22T

Available colors: Gun metal or rust-resistant silverCrossfire Freewheels


Crossfire Pro Freewheels

Our best freewheels for uncompromising performance. CNC wire pawls and steps for the ultimate precision. Each pawl engages 2 steps for maximum grip. 60 steps for engagement every 6 degrees. Nickel-plated sprocket ring.

3/32" x 16T or 18T