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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
17 left in stock
Arrives
Thursday, Nov 5
Recently Viewed
At a glance
- Condition
- New
- Model
- 63609-1000
- Dimensions
- 2.75 x 2.75 x 0.75 in
- Weight
- 4 oz
- Color
- Silver
- Material
- Alloy Steel
- Package Weight
- 0.15 kg
- In the box
- Single-Speed Freewheels
Features 5
- Compatible with 1/8" chain
- Features 16 teeth for efficient power transfer during pedaling.
- Constructed in a silver finish for a sleek, durable appearance.
- Threaded standard 1.37" x 24tpi cassette body type ensures secure fitting.
- Designed for use with traditional BMX 4-prong freewheel removers.
Description
Basic OEM replacement freewheel for most low-torque applications. Fits regular hub threads (1.375" - 24tpi), and standard 1/2" x 1/8" bicycle chains. Removable with ACS 4-prong or other universal removal tools. Chrome plated.
Specs 13
| Item Package Dimensions L x W x H | 2.95 x 2.8 x 0.87 inches |
|---|---|
| Package Weight | 0.15 kg |
| Item Dimensions LxWxH | 2.75 x 2.75 x 0.75 inches |
| Item Weight | 4 ounces |
| Brand Name | ACS |
| Color | Silver |
| Material | Alloy Steel |
| Suggested Users | unisex-adult |
| Number of Items | 1 |
| Manufacturer | ACS |
| Part Number | 63609-1000 |
| Style | Single-Speed Freewheels |
| Size | 16T X 1/8-Inch |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Nov 5
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Perfect replacement for my 1987 Schwinn Predator Free Form EX
Headline says it all, this is a perfect factory replacement for my old school BMX. Old one still spun but was crunchy while pedaling. Drivetrain is nice and quiet now. I knew it had to be the freewheel as I had just redone all the bearings in the bike front to back and replaced the chain. The only way I can see someone being dissatisfied with this part is if they ordered it unnecessarily. Might grab an extra for the parts bin.
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Reviewed in the United States on August 19, 2024 by S. Dillon
Smooth movement and much easier to wheelie
Works on my se big ripper nice. Has a nice click sound and smooth movement.
Reviewed in the United States on April 17, 2026 by Rena G550
Good buy, definitely recommend.
Mine had no defects? Easy to install, needed to buy tool to install. Also around same price, I put them on Skyway Tuff 2. I have on an old school late 80’s Haro bike. Made bike look good, sound good, I would recommend this part.
Reviewed in the United States on June 1, 2021 by Amazon Customer
Good value for the money
You need a special tool to install this unless you have some type of welder
Reviewed in the United States on July 8, 2020 by john
Spin free
Great product!
Reviewed in the United States on June 2, 2025 by Eric Ruffin
Great as usual ACS is good stuff
Has good old fashioned freewheel sound
Reviewed in the United States on February 2, 2025 by Frederick S.
Good replacement freewheel hub.
Good replacement freewheel hub.
Reviewed in the United States on December 11, 2024 by Andrew
so-so, quality.
It looks shiny chrome. And then when you look closer, it looks like its coated with aluminum foil. I'm surprised its not made of plastic underneath the foil. Buuut,, you get what you pay for!
Reviewed in the United States on March 2, 2021 by Werx4me!