Master Lock Bike Cable Lock 6'x 1/2" 4-Digit Combination Resettable 8122D
Condition: New
$12.92
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Extended holiday returns
FREE refund/replacement until Jan 31, 2027 Learn more
FREE refund/replacement until Jan 31, 2027 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027
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.
To initiate a return, please visit our Returns Center.
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Availability:
Only 3 left in stock, order soon!
Arrives
Saturday, Nov 14
At a glance
- Condition
- New
- Size
- 6' x 1/2"
- Number of Items
- 1
- Model
- 8122D
- Weight
- 1.6 lb
- Color
- Black
- Material
- Alloy Steel, Vinyl
- In the box
- One adjustable cable locktwo keys
Features 5
- VERSATILE BIKE LOCK: Master Lock 8122D outdoor bike cable lock with combination helps secure bicycles, e-bikes, scooters and other outdoor equipment; Ideal as a bicycle lock and basic theft deterrent for everyday security
- RESETTABLE COMBINATION LOCK: Cable bike lock features a four-digit set-your-own combination for keyless convenience; Set and reset your own combination without carrying keys
- BRAIDED STEEL CABLE: Bike lock cable is made with braided steel for strength and flexibility; Protective vinyl coating helps prevent scratches on bikes and outdoor gear
- LONG SECURITY CABLE: Combination bike lock cable measures 6 ft. (1.8 m) long and 1/2 in. (13 mm) wide in diameter, offering extended reach for locking bikes to racks and fixed objects
- INCLUDES ONE CABLE LOCK: Includes one black resettable combination bike lock cable; Portable anti-theft bike lock is designed for basic security and everyday outdoor use
Description
If you’re not on your bike, make sure we are. Thieves will take the path of least resistance. Many times all you need is a tough cable lock. Quantum braided steel cables are tough and protective. Cable locks can also be used to further enhance your U-Lock or Cuff security. Whatever your needs are, there’s a Quantum cable lock made for you. From the Manufacturer If you’re not on your bike, make sure we are. Thieves will take the path of least resistance. Many times all you need is a tough cable lock. Quantum braided steel cables are tough and protective. Cable locks can also be used to further enhance your U-Lock or Cuff security. Whatever your needs are, there’s a Quantum cable lock made for you.
Specs 29
| Brand | Master Lock |
|---|---|
| Special Feature | Anti Theft, Heavy Duty, Resettable |
| Lock Type | Combination Lock |
| Item dimensions L x W x H | 70.86 x 0.5 x 0.5 inches |
| Material | Alloy Steel, Vinyl |
| Brand Name | Master Lock |
| Recommended Uses For Product | Bike Lock, Cycling, Scooter lock, bicycles, ATVs, grills, and lawn mowers, eBike Lock |
| Number of Pieces | 1 |
| Model Number | 8122D |
| UPC | 071649049491 716490494914 |
| Model Name | 8122D |
| Global Trade Identification Number | 91, 14 |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Number of Items | 1 |
| Manufacturer | Master Lock |
| Number of Packs | 1 |
| Unit Count | 1 Count |
| Item Type Name | Bike Cable Lock |
| Manufacturer Part Number | 8122D |
| Additional Features | Anti Theft, Heavy Duty, Resettable |
| Controller Type | Hand Control |
| Style Name | Bike Lock |
| Color | Black |
| Shape | U Shape |
| Material Type | Alloy Steel, Vinyl |
| Finish Types | Vinyl |
| Item Dimensions | 70.86 x 0.5 x 0.5 inches |
| Item Weight | 1.6 pounds |
| Item Highlight | Heavy Duty Anti Theft Cable Bike Lock, Black Vinyl Coated Steel Combo Bike Lock for Scooters, eBikes & Outdoor Gear |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Nov 14
Yes, absolutely! This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027.
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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Top Amazon Reviews
Great bike lock, have used confidently for 2 months
Size: 6' x 5/16"
Number of Items: 1
Great bike lock! The picture is exactly what is shipped when ordered. The coil is long and can easily lock up 2 adult bikes or 2 adult bike and 3 children's bikes. Cable is thick and would be difficult to cut. Combination code is easy to set and the numbers are easily turned to enter your code. The coiled cord makes it easy to store and transport when riding. Only one slight drawbacks: the coiled cord is thick and requires some effort to unwind to lock up bikes. Often I am the only adult riding with my kids and it's been incredibly easy for me to lock and unlock bikes.
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Reviewed in the United States on August 19, 2026 by Katie Hagen
Excellent Lock
Size: 6' x 1/2"
Number of Items: 1
Excellent lock! The piece for quickly attaching it to your bike when you're riding broke right away (the screw had already been stripped when we got it, but we didn't know), but we just wrap it around the handle bars like we would any other lock that doesn't have a quick-attach. Other than that, it works great, is nice and long, very secure, and super easy to lock and unlock.
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Reviewed in the United States on October 6, 2026 by F. Asmuth
Great Bike Lock, Easy to Use!
Size: 6' x 1/2"
Number of Items: 1
This bike lock is easy to use and feels sturdy. The cable is long enough to secure my bike to different racks, and the combination lock is convenient because I don’t have to carry a key. It’s lightweight, flexible, and easy to store.
Reviewed in the United States on October 11, 2026 by JerryZhu
Mostly good?!
Size: 6' x 1/2"
Number of Items: 1
Seems sturdy enough. The combination lock was easy to reset. There was one major flaw however, I bought this one because it came with a lock holder that attaches to the bike. The problem is now the lock feels permanently locked into the holder! I can't get it to release, even when pressing the release button. I have been using it to lock to poles and whatnot but it would be nice to properly lock the wheels. I just decided to keep it. I'd buy again but wouldn't use the holder, perhaps?
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Reviewed in the United States on August 28, 2026 by Juicy14u
Convenient and versatile for quick deterrence!
Size: 6' x 1/2"
Number of Items: 1
The Master Lock 8122D 6' Combination Cable Lock offers keyless convenience with its customizable combination dial and flexible 6-foot vinyl-coated steel cable. Title: Convenient and versatile for quick deterrence! ⭐⭐⭐⭐☆ This Master Lock cable lock is super convenient for securing bicycles, lawn equipment, or scooters. Setting your own 4-digit combination is simple, and not having to carry around a key makes it very hassle-free for daily use. The 6-foot length gives you plenty of slack to loop around frame tubes, wheels, and bike racks all at once. The vinyl coating is a great feature as well because it prevents scratches on painted surfaces. It’s flexible and light enough to coil up and carry in a backpack or mounted on a frame. Keep in mind that, like any cable lock, it is best suited for low-risk areas or quick stops rather than overnight outdoor parking. Overall, it’s a reliable, user-friendly security option for basic protection!
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Reviewed in the United States on September 21, 2026 by Anisley Leon Teodoro
Lock has exceeded expectations! No regrets!
Size: 6' x 1/2"
Number of Items: 1
I actually like this lock much better than I originally thought. The combination is easy to set, and the coiled design, which I didn't like at first, has proven to be beneficial in stowing and everyday use. The cable lock is extremely weather proof. I like that the numbers are large for a 53 year old to see with clarity. Master lock seems to always product good quality products and this is no different. I use it to also secure my RV generator when camping, which gives me a piece of mind when exploring the surrounding area and it is left unattended. Very happy with this versatile lock and would feel comfortable recommending to others. No regrets!
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Reviewed in the United States on September 22, 2026 by Mike Quarles
Can’t Be Easily Cut
Size: 6' x 1/2"
Number of Items: 1
Unfortunately it’s a really good lock as it’s not easily cut. Would be very difficult to steal anything it locks up… However when it fails to open that’s not helpful! Bought this for my daughter to use while in Atlanta. Right away, we changed the code so she would be able to remember one she established. You attest the side dial and set the new code. We did that and tested the new code several times before locking up her bike. The next day I put the lock together and locked up her bike. She was able to unlock it herself and rode to a local Target. When she arrived, she called me and asked if I had difficulty putting the lock back together when I used it, I said no, although it was a bit “stiff”. I told her to push it together and that should be fine. She did eventually, locked the bike, and went into the store. When she came out, she could not open the lock. She tried several times and it would not unlock despite having unlocked for me, and for her. She asked for help, tried lubricating it (since it was stiff), and nothing would work. The lock would not open. She asked for help from Target employees and security. Even though they could not get it open. They tried cutting it with typical bolt cutters and it could not be cut. It took a locksmith to open it and they used specialized cutting tools. So while this is a great lock that is not easily cut, I am having a hard time giving it more than one star because she used it three times before it wouldn’t open. It’s being returned.
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Reviewed in the United States on June 1, 2025 by Tammayrend
Easy to use
Size: 6' x 5/16"
Number of Items: 1
Simple to program, easy to wrap a round bike, not too heavy but feels like it work take some work to cut it with a cable cutter. my wife uses it. Great to not have a key to lose. And she could program it with 4 digits she can remember.
Reviewed in the United States on October 7, 2026 by jon harding