Abus Amparo 4650SL Ring Lock – ART 2 Certified

ABUS Amparo 4650SL: Flexible Ring Lock Security for Every Bike

The ABUS Amparo 4650SL combines the trusted security of the ABUS S-series with a smarter, more flexible mounting system. Thanks to the included universal LH mounting strips (the “SL” in its name), this ring lock can be fitted to frames without screw lugs, making it suitable for nearly any rear wheel setup. With its hardened 8.5 mm bracket and ART 2 certification, it offers solid resistance against theft attempts, while the wide fit accommodates tyres up to 70 mm. The reliable R-cylinder keeps the key locked in place while the lock is open, so you never have to worry about losing it mid-ride. Best for cyclists looking for a dependable, versatile, and certified ring lock that fits almost any bicycle frame.

Key Features

• ART 2 certified for recognised anti-theft performance
• Hardened 8.5 mm bracket resists cutting and prying attempts
• Universal mounting with included LH strips – no screw lugs required
• Fits tyres up to 70 mm wide for broad compatibility
• R-cylinder keeps the key in the lock while unlocked, for convenience

Specifications

• EAN: 4003318981654
• Brand: ABUS
• Model: Amparo 4650SL
• Certification: ART 2
• Bracket thickness: 8.5 mm (hardened)
• Max. tyre width: 70 mm
• Cylinder type: R-cylinder (key stays in lock when open)
• Mounting: Universal LH strips included (no screw lugs needed)

Does the Amparo 4650SL fit frames without screw lugs?

Yes. The SL version comes with universal LH mounting strips specifically designed for frames that lack screw lugs, giving you a flexible and secure mounting solution regardless of your bike’s rear wheel construction.

Is the ABUS Amparo 4650SL a good anti-theft lock?

Yes, it is ART 2 certified and features an 8.5 mm hardened bracket, providing solid protection against common theft attempts. It offers the same core security level as the standard S-version, making it a reliable everyday bike lock.

What tyre sizes does this ring lock support?

The ABUS Amparo 4650SL accommodates tyres up to 70 mm wide, making it compatible with a broad range of bicycle types, from city bikes to wider-tyred models.