Niche Picks
E-bikes & cycling accessories

Sportneer Bike Lock: 5 Digit Combination High Security Anti Theft Bike Chain Lock - 3.2/3.6/4ft Heavy Duty Keyless Bicycle Lock for Bike, Motorcycle, Scooter, Door & Gate - 4/6mm Thick, Easy to Use

The Sportneer 5-Digit Combination Chain Lock provides low-cost, keyless security for utility bicycles, gates, and light hardware. Its 6mm manganese steel links and zinc alloy mechanism prioritize convenience and basic deterrence over resistance to determined angle-grinder or bolt-cutter attacks.

Sportneer Bike Lock: 5 Digit Combination High Security Anti Theft Bike Chain Lock - 3.2/3.6/4ft Heavy Duty Keyless Bicycle Lock for Bike, Motorcycle, Scooter, Door & Gate - 4/6mm Thick, Easy to Use
Price

$15.29

Amazon rating

4.5

4.5
Ratings

12,813

Best for Short daytime stops in low-theft settings

This lightweight chain setup provides basic lock-up convenience for campus utility bikes and outdoor gates. Like other entry-level combination locks, it lacks third-party security certifications and resists only casual theft. Reserve it for low-theft zones or to secure secondary accessories like baskets and panniers.

What we like

  • No keys required for locking or unlocking
  • Protective fabric sleeve prevents frame marring
  • Flexible length wraps easily around top tubes

What to weigh up

  • Low security tier unsuitable for valuable bikes
  • Combination mechanism is vulnerable to mechanical leverage
Check today's price on Amazon

Price and rating were captured on 22/09/2026 and change often. We earn a commission on qualifying purchases.

Our scorecard

Weighted against our category rules
6.8out of 10
Overall
  • Build quality6.8

    Manganese steel chain paired with a zinc alloy combination housing.

  • Theft deterrence5.2

    Adequate for opportunistic theft; vulnerable to mid-sized bolt cutters.

  • Ease of use8.8

    Five-digit resettable dial eliminates the need to carry physical keys.

  • Portability7.4

    Weighing 0.74 kg, it transports easily in a pannier or frame bag.

  • Finish protection8.0

    Polypropylene fabric sleeve shields frame paintwork from steel contact.

The full review

Design and Build

The Sportneer chain lock uses 0.236-inch (6mm) manganese steel links enveloped in a flexible polypropylene textile sheath. This sleeve serves two practical purposes: preventing bare metal from chipping bicycle frame paint and protecting hands during temperature extremes. Locking hardware consists of a zinc alloy core integrated into a 1.3-inch diameter combination housing. A rotating dial mechanism offers 100,000 potential numeric combinations across five resettable wheels, while a dustproof cap protects internal components against grit and moisture. With an overall weight of 0.74 kg (1.63 lb), the chain strikes a compromise between mass and portability. Buyers should note that while the specifications cite Bluetooth connectivity, there is no electronic integration here; operation is purely mechanical via the manual combination dials.

Real-World Performance

In daily service, the keyless five-digit interface delivers predictable utility for quick stops outside storefronts or locking perimeter gates. The 3.2-foot reach provides sufficient clearance to anchor a single standard frame to an immovable street post, though locking through both wheels and a wide frame tube requires precise positioning. The 1.3-inch lock head diameter presents clearance constraints; users must check that spoke intervals or frame cutouts accommodate this cross-section before threading. From a security standpoint, 6mm steel chain links withstand manual hand-sawing attempts and basic leverage attacks, but they remain susceptible to medium or large mechanical bolt cutters. The lock functions primarily as an opportunistic deterrent rather than a physical barrier against planned tool attacks in high-theft urban sectors.

Value for Money

Priced at $15.29 with over 12,800 aggregate consumer ratings averaging 4.5 out of 5, the unit offers substantial utility per dollar spent. It is competitive within the entry-level accessory segment where low weight and absence of keys matter most. While it lacks formal Sold Secure or independent laboratory attack certifications, the inclusion of hardened manganese links and weatherproofing components compares well against generic cable alternatives in this price bracket. For low-value commuter bikes, secondary wheel securing, or low-risk suburban storage of garden equipment, the investment is modest and appropriate. However, owners securing expensive hardware must weigh the purchase against the high cost of replacement should an attack occur.

Who Should Skip It

Riders securing heavy, high-value electric bicycles or performance machinery should look elsewhere. While our category guidelines mandate hydraulic disc brakes for bicycles over 50 pounds to manage momentum and UL 2849 certification for battery safety, mechanical security standards must scale identically with bicycle value. A $15 lock constructed from 6mm steel links provides insufficient defense for machines costing several thousand dollars parked in metropolitan centers or transit hubs. Cyclists leaving equipment unattended for long work shifts should instead invest in hardened 13mm to 16mm U-locks or heavy 10mm-plus cinch chains with independent insurance ratings, reserving this Sportneer chain for short daylight stops or ancillary components.

Specifications

As listed by the manufacturer
Brand NameSportneer
Recommended Uses For Product5-digit
Number of Pieces1
Model Number/
ManufacturerSportneer
Material TypeAlloy Steel
Additional FeaturesAnti-theft,Heavy Duty,Resettable,Waterproof
Lock TypeCombination Lock
Controller TypeHand Control
Control MethodTouch
Connectivity ProtocolBluetooth
Style NameModern
ColorBlue
ShapeU Shape
Item Dimensions5.9 x 4.72 x 2.75 inches
Item Weight0.74 kg

What the maker claims

  • High Security & Keyless Design: Say goodbye to the hassle of carrying keys and hello to keyless convenience. The advanced 5-digit combination lock offers unparalleled protection, with up to 100,000 possible combinations, making it virtually impossible to crack. This bike chain lock is the perfect choice for those who value safety and convenience above all else.
  • Rock-solid & Built to Last : The Sportneer bicycle lock is as tough as nails. Crafted from ultra-thick 0.236"/6mm manganese steel, it boasts unparalleled resistance against cutting and sawing. The lock core, made from sturdy zinc alloy, adds an extra layer of protection, thwarting any attempts at malicious cutting and ensuring long-lasting durability.
  • Scratch-Resistant Cover & Dustproof Cap: The flexible high-quality polypropylene fabric cover protects your hands against heat or cold, and prevents chain from rust, and keeps the bike paint from scratches, ensuring the lock lasts for years to come. Plus, the dustproof cap is an added bonus, keeping rainwater and sand out of the lock hole.
  • Convenient & Easy to Reset: Setting up and resetting your personalized combination password is a breeze. The initial password is 00000, and when it's time to set a new password, simply keep the number wheels in the correct unlock password state and rotate the reset dial 90° to set the new password. No more worry about forgetting your password or struggling to reset it again.
  • Versatile Applications: With options available in lengths of 3.2ft, you can easily lock two bikes together. Better yet, this bike lock is also suitable for a wide range of applications, including bicycles, electric bikes, ladders, lawnmowers, gates, fences, toolboxes, sports equipment, and more.
  • Note: The bicycle lock head diameter is 1.3 inches. Before making a purchase, ensure that the gap between the tires or the hole you need to pass through is compatible. Otherwise, you can still lock your bike by wrapping the chain around it, rather than threading it through the wheel's gap.

How it compares

Same category
ProductPriceRatingRatings countOur score
Sportneer Bike Lock: 5 Digit Combination High Security Anti (this one)$15.294.512,813 ratings6.8
Ascher Ultra Bright USB Rechargeable Bike Light Set, Powerfu$16.994.432,746 ratings7.2
Ascher Ultra Bright USB Rechargeable Bike Light Set, Powerfu$26.994.432,746 ratings6.7
Zewdov Bike Lights for Night Riding, Rechargeable Bike Light$15.994.64,015 ratings7.0
Cuvccn Bike Lights Super Bright, Rechargeable Bicycle Lights$19.994.63,855 ratings7.9

Common questions

Can the combination code be set to a custom number?
Yes. The lock ships set to 00000. With the original code aligned, the user rotates an internal reset dial 90 degrees clockwise, selects a new five-digit code, and returns the dial to its resting position. The sequence can be reprogrammed whenever the current combination is known.
Does this chain lock have electronic or Bluetooth features?
No. Despite erroneous references in the retailer product specifications regarding Bluetooth protocols, this lock is an entirely mechanical, non-electronic device. It relies strictly on manual five-digit thumbwheels and zinc alloy internal tumblers. No batteries, applications, or wireless connectivity are required or present on the unit.
Will the lock head fit through tight wheel spokes?
The locking head has a 1.3-inch outside diameter. Buyers should measure the gap between their wheel spokes or wheel rim and frame stays prior to purchase. If the 1.3-inch head cannot clear the opening, the chain must be wrapped around the outer frame rather than threaded through.
Is this chain lock sufficient for securing expensive e-bikes?
No. With 6mm manganese steel links, this lock is designed for medium-to-low risk environments. Heavy, high-value electric bikes parked in urban corridors require robust Sold Secure Gold or Diamond rated locks, such as 13mm or thicker hardened steel U-locks, to withstand power tools and large bolt cutters.

How we judge e-bikes & cycling accessories

  1. Rule 01

    Torque, not top speed, is what you feel on a loaded hill start.

  2. Rule 02

    Look for UL 2849 certification on the battery and charger.

  3. Rule 03

    Hydraulic discs are worth the upgrade on anything over 50 lb.

Ready to buy?

Prices move daily. Check the current listing before you decide — the figures above were captured on 22/09/2026.

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