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ACS Main Drive Freewheel
Regular price
$1499
Unit price
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ACS | SKU: 63609-1000 | Option:
Pickup available at RA Cycles - Brooklyn
Usually ready in 24 hours
Questions about this product?
Questions about this product?
ACS Main Drive Freewheel
Regular price
$1499
Unit price
* Product image may vary. Refer to the description for accurate details.
ACS Main Drive Freewheel Info
The ACS Main Drive Freewheel is a straightforward, reliable replacement for BMX, single speed, and fixed-gear setups. It threads onto standard 1.375"-24tpi hubs and uses a dual-pawl engagement system that clicks in every 18 degrees — consistent and predictable for everyday riding. The 4-notch removal interface works with ACS and most universal freewheel tools, so swaps are simple.
Available in 16t and 17t, the Main Drive runs a 1/2" x 1/8" sprocket pitch — pair it with a 1/8" single speed chain. Not compatible with 3/32" chains, motor conversions, or high-torque jackshaft applications.
- Sizes: 16t, 17t
- Finish: Silver
- Threading: 1.375"-24tpi
- Chain compatibility: 1/2" x 1/8" only
- Engagement: Dual-pawl, every 18 degrees
- Removal: 4-notch universal tool interface
