Master Lock

Master Lock has 4 researched listings in our catalogue across 1 category; the highest scoring is Master Lock 5' Resettable Combination Bike Lock. Figures below are computed only from these listings, which are research reviews of published product information, not hands-on tests.

Reviewed listings

4

Average editorial score

7.0/10

Average buyer rating

4.4/5

Recorded price range

$8.99–$16.99

Buyer ratings combine 108,620 captured Amazon ratings.

Highest-scoring Master Lock products

By editorial score

#1 · E-bikes & cycling accessories

Master Lock 5' Resettable Combination Bike Lock, Metal Cable Lock, 8370D

$16.79 · 7.2/10

This five-foot cable features a user-resettable combination dial and moderate reach for casual campus or utility lockups. While more convenient than fixed-code cables, its security ceiling remains strictly low-to-medium. Prospective buyers with high-value bikes or e-bikes should budget for a rated U-lock instead.

#2 · E-bikes & cycling accessories

Master Lock Cable Bike Lock 4' 5/16" 2-Pack, 8143T

$16.99 · 6.9/10

This two-pack provides inexpensive secondary security across multiple points, such as locking a front wheel or helmet to a frame. The 5/16-inch braided steel offers minimal structural cut resistance compared to hardened steel chain or U-lock alternatives. Treat these cables purely as visible deterrents in monitored, low-theft areas.

#3 · E-bikes & cycling accessories

Master Lock 6 ft Cable Bike Lock 4-Digit Combination 1/2 in Diameter 8122D

$12.92 · 6.9/10

With a 1/2-inch outer diameter and a six-foot reach, this cable provides greater mechanical bulk and locking flexibility than thinner utility cords. It loops comfortably through both wheels and a post, though it remains susceptible to dedicated bolt cutters. It works best as an auxiliary tether paired with a hardened U-lock.

Every Master Lock product we reviewed

4 listings

No. 01 — Short campus stops with entry-level commuter bikes

Master Lock 5' Resettable Combination Bike Lock, Metal Cable Lock, 8370D

$16.79★★★★★4.413,127 ratingsOur score 7.2/10

This five-foot cable features a user-resettable combination dial and moderate reach for casual campus or utility lockups. While more convenient than fixed-code cables, its security ceiling remains strictly low-to-medium. Prospective buyers with high-value bikes or e-bikes should budget for a rated U-lock instead.

• +Resettable combination allows custom numeric codes
• +Five-foot reach accommodates standard bike racks
• +Protective vinyl coating prevents frame scratches

• −Not sufficient for overnight or high-theft urban parking
• −Combination dial mechanism can stiffen in freezing conditions

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No. 02 — Securing wheels and accessories alongside primary locks

Master Lock Cable Bike Lock 4' 5/16" 2-Pack, 8143T

$16.99★★★★★4.441,183 ratingsOur score 6.9/10

This two-pack provides inexpensive secondary security across multiple points, such as locking a front wheel or helmet to a frame. The 5/16-inch braided steel offers minimal structural cut resistance compared to hardened steel chain or U-lock alternatives. Treat these cables purely as visible deterrents in monitored, low-theft areas.

• +Two-pack bundle offers high cost efficiency
• +Adequate length for lashing wheels to frames
• +Convenient keyless combination dials

• −5/16-inch cable provides minimal attack resistance
• −Unsuitable as standalone security for valuable bikes

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No. 03 — Tethering quick-release wheels to a frame

Master Lock 6 ft Cable Bike Lock 4-Digit Combination 1/2 in Diameter 8122D

$12.92★★★★★4.413,127 ratingsOur score 6.9/10

With a 1/2-inch outer diameter and a six-foot reach, this cable provides greater mechanical bulk and locking flexibility than thinner utility cords. It loops comfortably through both wheels and a post, though it remains susceptible to dedicated bolt cutters. It works best as an auxiliary tether paired with a hardened U-lock.

• +Generous six-foot length spans both wheels easily
• +Thicker 1/2-inch profile increases visual deterrence
• +Integrated four-digit combination eliminates carrying keys

• −Cable core remains vulnerable to mechanical cutting tools
• −Stiffer coiled design can be unwieldy to route

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No. 04 — Low-risk accessory security or quick cafe stops

Master Lock Combination Cable Bike Lock 4-Foot Long Bicycle Lock, 8143D

$8.99★★★★★4.441,183 ratingsOur score 6.8/10

At under nine dollars, this four-foot cable is strictly an entry-level theft deterrent for low-risk environments. It offers negligible physical resistance against basic hand tools and should never serve as primary security for an e-bike. Its main role is securing low-value accessories or making brief daytime convenience stops.

• +Extremely affordable entry price
• +Lightweight and compact enough for pocket carry
• +Keyless combination mechanism

• −Thin cable is vulnerable to basic wire cutters
• −Four-foot length limits lockup options around wide fixtures

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