The Abus Adaptor Chain ACH 2.0 6KS/130 enhances your bike’s security with its durable, hardened steel construction. It easily attaches to ABUS frame locks with a four-number name, providing an additional layer of protection without requiring a separate key. Compatible with the Alarmbox 2.0, it offers advanced theft prevention. This robust chain allows you to secure your bike to fixed objects, ensuring greater peace of mind while riding.