

🔐 Lock in your ride, unlock your freedom.
The Master Lock 8143D is a 4 ft long, 5/16 in diameter braided steel cable lock with a preset 4-digit combination. Its protective vinyl coating prevents scratches while providing flexible, weather-resistant security. Ideal for low-level theft deterrence, it offers keyless convenience and is backed by a limited lifetime warranty from a trusted brand.






















| ASIN | B000BVXDZM |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #414 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #1 in Bike Cable Locks |
| Brand | Master Lock |
| Color | Black |
| Control Method | Touch |
| Controller Type | Jog dial |
| Customer Reviews | 4.4 4.4 out of 5 stars (47,683) |
| Date First Available | August 17, 2005 |
| Finish | Vinyl |
| Finish Type | Vinyl |
| Global Trade Identification Number | 00071649217210 |
| Included Components | One combination bike lock |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 4 ounces |
| Item dimensions L x W x H | 0.47 x 0.03 x 0.03 inches |
| Item model number | 8143D |
| Lock Type | Combination Lock |
| Manufacturer | Master Lock |
| Material | braided steel, vinyl coating |
| Model Name | 8143D |
| Number of Pieces | 1 |
| Part Number | 8143D |
| Pattern | Lock Cable |
| Product Dimensions | 0.47 x 0.03 x 0.03 inches |
| Recommended Uses For Product | Low security bike lock |
| Shape | Round |
| Size | 1 Pack |
| Special Feature | Protective Vinyl coating |
| Special Features | Protective Vinyl coating |
| Style | 4 Ft. Preset Combo |
| UPC | 071649217210 |
| Warranty Description | Limited Lifetime Warranty |
A**.
Works well
This seems high quality and is easy to program the combination. It's flexible enough but seems sturdy.
J**E
Impressive Bike Lock
Title: Impressive Bike Lock - Top-Notch Security! Rating: ⭐⭐⭐⭐⭐ (5/5) Review: I recently purchased the Bike Lock and I must say, I am thoroughly impressed with its performance. As an new avid cyclist, security is of the utmost importance to me, and this bike lock has exceeded all my expectations. From the moment I received the lock, it was clear that this was a high-quality product. The construction feels sturdy and durable, reassuring me that my bike is in safe hands. The locking mechanism is smooth and easy to operate, making securing my bike a hassle-free experience. One of the features I appreciate the most is the generous length of the lock's cable. It allows me to secure my bike to a variety of objects, from bike racks to lampposts, expanding my options when it comes to parking locations. The lock's flexibility, without sacrificing security, is a huge plus. Additionally, the lock's weather resistance is remarkable. I've used it in rain and varying temperatures, and it hasn't shown any signs of deterioration. This longevity is crucial to me, as I rely on this lock to protect my bike for years to come. Overall, I can confidently say that the Bike Lock is worth every penny. Its impeccable security features, durable construction, and user-friendly design make it an excellent investment for any cyclist concerned about bike theft. My peace of mind has increased tenfold since using this lock, and I wholeheartedly recommend it to fellow cyclists seeking top-notch protection for their valuable rides.
A**A
Nice and simple
Works well
A**V
Good buy
Met our needs. Easy to use. Secured the bike to our bike rack
T**L
Numbers turn easy
Well made. easy to turn numbers
R**E
Easy to use for Phantom e scooters
My kids (11 and 12) use these to secure their electric scooters at school and other places. They are able to put the cable thru the hole in the wheel of their Phantom scooters. They do come with a preset code and you can not change it.
B**H
Very Cheap Lock
Functionally, this lock works as intended. The combination mechanism is easy to set and use, and the cable itself feels thick and sturdy enough for basic security. However, the lock housing is entirely plastic, which makes it look and feel cheap. I have no doubt it could be broken with low amounts of force, and that limits my confidence in using it for anything beyond quick stops in low-risk areas.
B**N
Great bicycle lock
Very secure lock. Easy to use.
F**Z
Buen producto, es un candado super resistente y pratico, al principio me asuste con el seguro pero la clave viene junto al candado, cumple con su funcion y es muy practico y seguro.
S**S
Decent
M**L
A decent small lock for your bike. Note that this comes with a preset combination, so you cannot add your own combination.
D**P
It was perfect to use as our mobility scooter to lock up things in Disneyland. Kids could use it with no problem.
E**O
Very good and strong, the only disadvantage is the fixed unlock number
Trustpilot
3 weeks ago
2 weeks ago