ACS Crossfire

Race Ready, Competition Quality

ACS Crossfire components are the parts you need to pull ahead of the pack - precision made from the best materials. Crossfire components are meant for BMX racers and all types of demanding riders.


Crossfire Bottom Brackets

Crossfire External Bottom Brackets

Forged and CNC-machined aluminum with precision sealed bearings for 2-pc cranks and 24mm spindles.

BSA 1.37" x 24T for 68/73mm shell.

Available colors: Black (shown), blue, red, purple, gold & white.


Crossfire Chain

Crossfire Chain

High-strength for high-torque riders. Chamfered plates for quiet engagement and center-punched pins for lateral stiffness. Includes 1/2 link connector. 106 links to fit BMX, Cruiser, Fixie, and other bikes.

1/2" x 3/32" full nickel-plated

1/2" x 1/8" nickel/black combo


Crossfire Freewheels

Crossfire Freewheels

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 silver

Pro 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


Crossfire Headshets

Crossfire External Headsets

Cold-forged and CNC-machined aluminum with precision sealed bearings.

1" or 1 1/8"

Available colors: Black, blue, red, gold, and white.


Universal Tool

Crossfire Spanner

Combines a Crossfire 6-spline tool and a universal 4-prong tool mounted on thick steel lever. Fits in a tool box, no vice or jumbo wrench needed.