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ACS Maindrive Freewheel (1/8")

ACS Maindrive Freewheel (1/8")
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This product is not available for online purchase. Please please reach out to us by email at, or you can text or call us at 519-751-2825, or visit our store.


• Chrome-plated steel construction with a durable 3-pawl mechanism for engagement every 12 degrees and a stronger hold
• Compatible with 1/8” chains only
• An affordable and reliable option when replacing any old or worn-out freewheels.
• Standard ISO freewheel thread only / 1.375" x 24tpi

Part Numbers

Option UPC MPN Store SKU
16T 816411001563 63609-1000 210000022486
17T 816411001570 63630-1000 210000022487
18T 816411001587 63626-1000 210000022488