A $280 bike lock on a $10,000 e-bike. I've seen lots of so-called "smart" bike locks over the years, but none so far could justify the added cost. A newcomer that got its start securing ATMs for banks is trying to change that. There's nothing wholly unique about the TMD Chain Lock, but th e combination of materials, performance, and insurance-friendly ART-2 certification makes it worth considering. TMD's first bicycle lock combines a Bluetooth proximity sensor and motion alarm with a slender core of hardened steel chain wrapped in a soft and lightweight sleeve of high performance Dyneema and Kevlar fibers. That makes this lock tough, yet flexible enough to conveniently wrap arou … Read the full story at The Verge. ...read more read less