Trek's Streetwise LS U-Lock utilizes a 13mm-diameter hardened-steel shackle and crossbar for top security. The high-security disc-style lock mechanism is pick-proof and comes with a protective dust cover. There's a $1,000 anti-theft protection offer to back up this lock. Plus, it comes with a handy carrying bracket that ensures top security is always at hand!
Dimensions: 4 x 11.5 inches