1 / 7Kryptonite KryptoLok 912 Combo Chain Lock, 120 cm
Combo: The Kryptonite KryptoLok 912 is a 120 cm combination chain lock listed with a resettable code and steel links. Its length can offer flexibility when securing a bike, but the listed weight and conflicting chain details make it worth checking whether this is the right fit for your carry routine.
At a glance
- The manufacturer describes a four-sided chain with 9.5 mm links and a hardened deadbolt lockhead.
- The listing describes a resettable combination, although its digit count conflicts between sections.
- A weather-resistant nylon sleeve is described as helping prevent scratches to painted finishes.
Often bought together
Kryptonite KryptoLok Combo Bike U-Lock Standard, Anti-Theft Security Bicycle Lock Sold Secure Gold, 12.7mm Steel Shackle, 4-Digit Resettable Combination U Lock for Scooter Road Mountain Bikes
$96.64
Kryptonite KryptoFlex Bike Lock Cable, 2FT/6FT/10FT Long 12mm Thick Heavy Duty Braided Steel Cable Anti-Theft Security Lock for Outdoor Equipment, Combination/Key Bike Lock
$45.14
Pros and cons
Pros
- A 120 cm listed length gives more reach than a short cable-style lock for connecting a bike to a suitable fixed object.
- A combination mechanism avoids needing a physical key, according to the product listing.
- Customer feedback reports sturdy construction and versatility, including use with electric bikes.
Cons
- The listed weight is 7.35 pounds, a substantial carry load for buyers who plan to transport the lock in a backpack.
Technical specifications
18 specifications| Brand | KRYPTONITE |
|---|---|
| Model | LK4533 |
| Lock type | Combination Lock |
| Chain link size and material | 9.5mm four-sided chain links made from Kryptonite’s high performing 3T manganese steel. |
|---|---|
| Combination | 5 digit resettable combination with over 100,000 possible codes. |
| Lock head | Hardened steel lockhead with deadbolt system. |
| Listed special feature | 13mm hardened Performance steel |
| Wireless connection listed | Wi-Fi |
|---|---|
| Control methods listed | App |
| Form factor | U Shape |
|---|---|
| Dimensions listed | 8 x 3 x 3 centimetres |
| Length | 47.2" (120cm) |
| Weight listed | 7.35 Pounds |
| Weight in product details | 7.35 lbs (3.33kg's) |
| Material listed | Alloy Steel |
|---|---|
| Sleeve | Weather-resistant nylon sleeve prevents scratches to painted finishes; compact coiling for easy carrying. |
| Security rating claim | Rated 6/10 on Kryptonite's security scale |
| Security category claim | Moderate Security lock |
What to know before buying
Listing details to confirm
Listing details are inconsistent: the title says 9.5 mm, while a special-feature field says 13 mm hardened steel. The chain specifications describe 9.5 mm manganese-steel links, but do not clarify what the 13 mm figure refers to. The combination is described as both five-digit and eight-digit, with different code-count wording. The product details also list U-shape form, Wi-Fi and app control despite the chain-lock description, and the stated dimensions do not match the listed 120 cm chain length. Confirm the selected listing's configuration, lock type and weight before buying.
What’s in the box
Included- Chain
Who is it for?
A good fit for
- Cyclists wanting a combination chain lock with a stated 120 cm length.
- Buyers who value flexible securing options and do not mind carrying a heavy lock.
- Electric-bike owners considering a chain lock, as mentioned in customer feedback.
Less suited to
- Riders prioritising a light lock for carrying in a backpack.
- Buyers who need an unambiguous chain thickness, combination format or product configuration without checking the listing.
Customer reviews on Amazon
- 5 stars
67% 67% - 4 stars
14% 14% - 3 stars
6% 6% - 2 stars
3% 3% - 1 star
10% 10%
Customer feedback highlights sturdy, heavy-duty construction and versatility, including for electric bikes. Experiences with reliability and dial operation are mixed, and some customers say the lock is too heavy to carry in a backpack. Value for money also draws criticism. These comments matter particularly for a lock listed at 7.35 pounds, while the listing's conflicting combination and chain details mean buyers should confirm the configuration before relying on those specifications.
Positive themes
- Customers describe it as sturdy and heavy-duty, with positive comments about quality and versatility.
Negative themes
- Some customers criticise value for money.
Mixed feedback
- Feedback on reliability and ease of turning the combination dials is mixed.
- Customers differ on security impressions and whether the lock's weight is acceptable.
Frequently asked questions
How long is the KryptoLok 912 chain?
The manufacturer information lists a length of 47.2 inches (120 cm).
How many digits are in its combination?
The listing conflicts: one section says five digits, while another says eight. Confirm the combination format for the selected listing.
Is this a light lock to carry?
The listing gives a weight of 7.35 pounds, so it may be cumbersome for regular backpack carry.
What is the chain thickness?
The chain description gives 9.5 mm links, while another feature field states 13 mm hardened steel. The listing does not resolve what the 13 mm figure refers to.
Alternative options
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Offer details
- Optional Anti-theft Protection is described as requiring online registration and being subject to terms and conditions.
- The Combo Safe Program is described as requiring online registration of the combination.