🔐 NFC Keyless · Anti-Theft
ROCKBROS Guardian NFC Smart U-Lock
Tap your phone. Your bike unlocks. The ROCKBROS Guardian replaces keys entirely with NFC technology, hardened steel construction and IP65 all-weather protection — keyless security built for the urban commuter.
NFC Keyless
Hardened Steel
IP65 Weatherproof
USB-C Rechargeable
Key Features
Lock Smarter. Ride with Confidence.
📱
NFC Tap-to-Unlock
Hold your NFC-enabled phone or card to the lock — it opens in under a second. No keys to fumble with, lose or copy. Your phone IS your key.
🌧️
IP65 All-Weather Shield
Fully sealed against rain, mud and road spray. IP65 rating means the Guardian keeps working through downpours, puddle splashes and dusty trails without a second thought.
🛡️
Hardened Steel Core
The shackle is forged from hardened manganese steel — resists bolt cutters, hacksaws and hammers. Combined with the anti-drill lock cylinder, it stops opportunistic thieves cold.
⚡
USB-C Rechargeable
Built-in rechargeable battery charges via the same USB-C cable as your phone. A single charge lasts months of daily use — and a backup key is included for complete peace of mind.
![ROCKBROS Guardian NFC Smart U-Lock: Keyless Anti-Theft Security System 15 Before vs After — Traditional Chain Lock vs ROCKBROS Guardian]()
Keyless Every Single Day
Tap. Unlock. Ride.
No reaching for keys at the bottom of your bag. No frozen keyholes in winter. Just tap your NFC card or phone — the Guardian unlocks instantly. It’s the fastest, most frictionless way to secure your bike in the city.
Instant Access
No Frozen Keys
NFC Card Included
Compact Enough to Go Everywhere
Fits Your Bag. Locks Your Bike.
The Guardian is slim enough to fit alongside your wallet and travel mug — yet strong enough to stop a determined thief. Mounts directly to your frame with the included bracket so it’s always with you, never left at home.
Frame Mount Included
Pocket Portable
Bike & Scooter
Product Details
Full Specifications
| Technical Specifications |
| Product Type | NFC Smart U-Lock with Keyless Anti-Theft System |
| Unlock Method | NFC tap (phone or card) + backup physical key |
| Shackle Material | Hardened manganese steel |
| Weather Rating | IP65 — dust-tight & rain-resistant |
| Power | Built-in rechargeable battery, USB-C charging |
| Battery Life | Months per charge with daily use |
| Compatible With | NFC-enabled smartphones & NFC cards |
| Suitable For | Bicycles, e-bikes, scooters |
| Brand | ROCKBROS |
In The Box
Everything Included
🔐
Guardian U-Lock
NFC smart lock body
📱
NFC Card
Tap-to-unlock access card
🗝️
Backup Key
Physical emergency key
🔌
USB-C Cable
For battery recharging
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Frame Bracket
Secure bike mount