Best Bike-Locks — Under $100: Top 6 Compared
Guides › Bike-Locks › Under $100
Independent comparison · Compiled September 26, 2026
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We ranked these 6 picks by models under $100. The shortlist draws on 74,674 verified Amazon customer reviews across the bike locks catalog. Estimated prices in this set run from roughly $7.99 to $12.92. Every product links straight to its merchant page — check live pricing and availability there before you buy.
Quick verdict
Amazon Basics Weather Resistant Bike Security Cable Lock, 70 inches Length, 8mm Diameter, Black leads this shortlist.
Lowest estimated price here: Titanker Bike Lock Cable, 4 Feet Bike Cable Lock Basic Self Coiling Kids Bike Lock Combination with Complimentary Mounting Bracket, 5/16 Inch Diameter (4FT, Black-8mm) (budget bracket).
| Rank | Product | Rating | Merchant |
|---|---|---|---|
| #1 | Amazon Basics Weather Resistant Bike Security Cable Lock, 70 inches Length, 8mm Diameter, Black Amazon · Budget | 4.6 ★ 4,397 reviews | Check Price → |
| #2 | Master Lock U-Lock Keyed Bike Lock, 7-1/4-inch Anti-Theft Device, 8320D Master · Budget | 4.5 ★ 5,065 reviews | Check Price → |
| #3 | NDakter Bike Lock, 5 Digit Combination Heavy Duty Anti Theft Bicycle Chain Lock, 2.62/3.2/4.27/5/6Ft Long, High Security Resettable, Suitable for Bike, Scooter, Door, Gate, Fence-4 NDakter · Budget | 4.5 ★ 7,985 reviews | Check Price → |
| #4 | Master Lock 6 ft Cable Bike Lock 4-Digit Combination 1/2 in Diameter 8122D Master · Budget | 4.4 ★ 13,129 reviews | Check Price → |
| #5 | Master Lock Combination Cable Bike Lock 4-Foot Long Bicycle Lock, 8143D Master · Budget | 4.4 ★ 41,206 reviews | Check Price → |
| #6 | Titanker Bike Lock Cable, 4 Feet Bike Cable Lock Basic Self Coiling Kids Bike Lock Combination with Complimentary Mounting Bracket, 5/16 Inch Diameter (4FT, Black-8mm) Titanker · Budget | 4.4 ★ 2,892 reviews | Check Price → |
The picks in detail
#1. Amazon Basics Weather Resistant Bike Security Cable Lock, 70 inches Length, 8mm Diameter, Black
Why it's here: rank #1 overall, best rating in this set at 4.6★.
- 70 inches Length
- 8mm Diameter
#2. Master Lock U-Lock Keyed Bike Lock, 7-1/4-inch Anti-Theft Device, 8320D
Why it's here: rank #2 overall.
- 7-1/4-inch Anti-Theft Device
- 8320D
#3. NDakter Bike Lock, 5 Digit Combination Heavy Duty Anti Theft Bicycle Chain Lock, 2.62/3.2/4.27/5/6Ft Long, High Security Resettable, Suitable for Bike, Scooter, Door, Gate, Fence-4
Why it's here: rank #3 overall.
- 5 Digit Combination Heavy Duty Anti Theft Bicycle Chain Lock
- 2.62/3.2/4.27/5/6Ft Long
- High Security Resettable
- Suitable for Bike
#4. Master Lock 6 ft Cable Bike Lock 4-Digit Combination 1/2 in Diameter 8122D
Why it's here: rank #4 overall.
#5. Master Lock Combination Cable Bike Lock 4-Foot Long Bicycle Lock, 8143D
Why it's here: rank #5 overall, largest verified review pool here (41,206 reviews).
- 8143D
#6. Titanker Bike Lock Cable, 4 Feet Bike Cable Lock Basic Self Coiling Kids Bike Lock Combination with Complimentary Mounting Bracket, 5/16 Inch Diameter (4FT, Black-8mm)
Why it's here: rank #6 overall, lowest estimated price in this shortlist.
- 5/16 Inch Diameter (4FT
- Black-8mm)
More bike-locks guides
- Top Rated: Top 6
- Most Reviewed: Top 6
- Best Value: Top 6
- Budget Finds: Top 6
- Premium Picks: Top 6
- Community Favorites: Top 6
- Popular Picks: Top 6
- Mid-Range: Top 6
Every variant uses the same verified data pool, ranked for a different priority.
How we ranked these picks
Rankings are computed from Amazon Customer Reviews data only: each pick's star rating weighted by the logarithm of its review count. No sponsored placement, no free units, and no merchant paid for position; the order is data-only across 74,674 reviews. Ratings and counts are snapshots as of September 26, 2026 and change over time.