Kryptonite Messenger Mini Bike U-Lock with Wheel Extender
- 11 mm steel shackle
- Wheel extender included with the keys
- Disc cylinder, 2 keys
- 0.45 kg item weight
- 6.5 x 3.74 x 1.57 inches item dimensions
- Painted alloy steel, limited lifetime warranty
Last refreshed Oct 3, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A compact U-lock with a wheel extender for riders who want to secure a wheel as well as the frame without carrying a cable. No security rating is listed, so judge it as a small, short-stop lock.
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ASIN: B06XCPH1S4Model: 002116Category: U-Locks
Overview
A city bike rack or a scooter stand is where this compact Messenger Mini U-lock is meant to be used, with a disc cylinder and two keys. A wheel extender comes in the package to help lock a wheel along with the frame.
The reason to buy is low weight and a tidy size, with an extender included for the wheel. The limit is the thin listing, which has no description text, no security rating and several app and Wi-Fi fields that do not fit a keyed lock.
Who it's for
E-bike, road bike and scooter owners making short stops where carrying less matters. Riders leaving bikes for long periods should check a rated, heavier lock.
Pros and cons
- Light and small
- Wheel extender included
- Limited lifetime warranty
- No security rating listed
- No description text
- App and Wi-Fi rows look wrong
Performance notes
A smaller shackle makes the lock easy to carry but limits what it can reach, which is where the wheel extender helps. The disc cylinder is the security feature the listing leans on. Choosing a sturdy fixture matters as much as the lock.
Specifications
| Brand | Kryptonite |
|---|---|
| Model | 002116 |
| Dimensions & fit | |
| Shackle | 11 mm |
| Inside size | 6.5 x 3.74 x 1.57 inches |
| Weight | 0.45 kg |
| Construction & materials | |
| Material Type | Alloy steel |
| Finish Types | Painted |
| Included components | |
| Included Components | Lock, wheel extender, keys |
| Warranty & support | |
| Warranty | Limited lifetime |
| Other details | |
| Lock Type | Key lock, U-shaped |
Closest rivals on specs
Seatylock Mason Lightweight Sold Secure Diamond Bike U Lock- Item Weight 0.99 vs 2.36 pounds (-58%)
Abus Granit X-Plus 540 U Lock- Item Weight 0.99 vs 3.5 pounds (-72%)
OnGuard Pitbull STD DT U-Lock with 4 ft Cable- Item Weight 0.99 vs 4 pounds (-75%)
Frequently asked questions
Does the Kryptonite Messenger Mini connect to an app?
No. The listing calls it a key lock with a disc cylinder, and the app and Wi-Fi rows should be ignored.
What does the Messenger Mini wheel extender do?
The listing names it as included but does not explain it. By its name, it helps a wheel reach the lock.
Will the Messenger Mini work on a scooter?
The title and highlights say it suits e-bikes, road bikes and scooters, though no interior opening size is given.