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🔐 Secure your ride, own the streets—no keys, no compromises.
The Master Lock 8122D is a 6 ft long, 1/2 inch diameter braided steel cable bike lock featuring a resettable 4-digit combination for keyless security. Its vinyl coating prevents scratches while providing flexible, heavy-duty theft deterrence. Ideal for bikes, e-bikes, and scooters, it offers versatile, everyday protection backed by a limited lifetime warranty.

| ASIN | B0000D1E3S |
| Additional Features | Anti Theft, Heavy Duty, Resettable |
| Best Sellers Rank | #441 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2 in Bike Cable Locks |
| Brand | Master Lock |
| Brand Name | Master Lock |
| Color | Black |
| Controller Type | Hand Control |
| Customer Reviews | 4.4 out of 5 stars 13,196 Reviews |
| Finish Types | Painted |
| Global Trade Identification Number | 00071649049491, 00716490494914 |
| Included Components | One adjustable cable lock, two keys |
| Item Dimensions | 70.86 x 0.5 x 0.5 inches |
| Item Highlight | Set Your Own Combo Vinyl-Coated Braided Steel Lock Protects Bicycles, Scooters, Outdoor Equipment from Theft |
| Item Type Name | Bike Cable Lock |
| Item Weight | 1.6 pounds |
| Item dimensions L x W x H | 70.86 x 0.5 x 0.5 inches |
| Lock Type | Combination Lock |
| Manufacturer | Master Lock |
| Manufacturer Part Number | 8122D |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Material | Alloy Steel , Vinyl |
| Material Type | Alloy Steel, Vinyl |
| Model Name | 8122D |
| Model Number | 8122D |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Recommended Uses For Product | Bike |
| Shape | U Shape |
| Special Feature | Anti Theft, Heavy Duty, Resettable |
| Style Name | Bike Lock |
| UPC | 071649049491 716490494914 |
| Unit Count | 1 Count |
K**N
Great bike lock, have used confidently for 2 months
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.
F**H
Excellent Lock
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.
J**U
Great Bike Lock, Easy to Use!
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.
J**U
Mostly good?!
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?
A**O
Convenient and versatile for quick deterrence!
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!
M**S
Lock has exceeded expectations! No regrets!
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!
T**D
Can’t Be Easily Cut
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.
J**G
Easy to use
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.
R**H
Good for locking kids bicycle
I think its a nice tool for bicycle, but it can be breaked with a strong cutter. They might need to get a very thicker material so its hard to break
S**S
Works - does the job
Decent
R**P
Nice lock
Nice lock
J**O
Bueno y resistente
Bueno y resistente, muy practico y envio rápido
N**L
User
Good product
Trustpilot
1 week ago
1 month ago