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Master Lock 8320D Black Bike Lock with Key, Standard Size U-Lock: Hardened steel body resists cutting, sawing and prying

(0 reviews)
Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Thumbnail Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Thumbnail Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Thumbnail Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Thumbnail Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Thumbnail Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Thumbnail Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Thumbnail Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Thumbnail Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock
Thumbnail Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock

For the everyday cyclist who needs reliable protection for their bike on city streets or at the park, this Master Lock U-lock is your go-to defense against theft. While many focus on security, we see it as your ticket to worry-free rides, letting you enjoy your time without constantly checking on your bike.

The hardened steel body feels solid in your hand, and the double locking shackle clicks into place with a satisfying snap that signals real resistance to prying. You will appreciate the protective vinyl coating—it keeps your bike frame scratch-free when you lock up at a crowded rack. With the integrated disc keyed locking mechanism, it resists picking attempts, so you can trust it during quick stops. The included carrier bracket makes it easy to transport, so you are always prepared. This lock works for bicycles and other outdoor equipment, offering anti-theft peace of mind wherever you go.

Features
  • Double locking shackle for superior pry resistance
  • Integrated disc keyed locking mechanism for maximum pick resistance
  • Protective vinyl coating helps prevent scratching
  • Carrier bracket included for easy transportation
  • Hardened steel body resists cutting, sawing and prying

General specs

  • Brand: Master Lock
  • Model: 8320D
  • Seller: Amazon
  • ID: B00QJRKSTQ
  • Material: Steel
  • Lock Type: U-Lock
  • Dimensions: 7.42, 1.35, 9.8
  • Unlock Methods: Key
  • First listed by seller: 2/7/26

If you are interested in more details, you can find full information on the seller's page.

Amazon Buy on Amazon #publicidad
$12.37
Last price update: 2/7/26
Available to order

Shipping options

Delivery to United States
Available

Video Reviews

[YouTube Video Script: Master Lock 8320D – Black Bike U-Lock Review & Demo
[YouTube Video Script: Master Lock 8320D – Black Bike U-Lock Review & Demo
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Color
Rating
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Price $12.37 $19.99 $26.99 $25.99 $79.99 $27.99
Seller Amazon Amazon Amazon Amazon Amazon Amazon
Update February 7, 2026 February 7, 2026 February 7, 2026 February 7, 2026 February 7, 2026 January 21, 2026
Material Steel Steel Zinc Alloy Zinc Alloy, Steel Steel Steel
Lock Type U-Lock U-Lock U-Lock U-Lock U-Lock U-Lock
Dimensions 7.42, 1.35, 9.8 16.51, 25.4, 4.45 12.75, 7.29, 1.70 6.25, 11.5, 0.71 2.95, 21.59, 16.51 17.78, 3.18, 27.94
Unlock Methods Key Passcode Key Key Fingerprint, App, Key Passcode, Key
Alarm Yes Yes Yes
Weight 0.45 1.30 2.5 1.97 1.53
Cable Length 0.0 1.52 1.5 1.52
Black Bike Lock with Key, Standard Size U-Lock — U-Lock, Master Lock

Black Bike Lock with Key, Standard Size U-Lock

$12.37

Reviews

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