Pitbull Medium U-Lock has a PitBull Mini crossbar with medium shackle length to put around new standard parking meter posts. Great for bicycle messengers. X4P locking mechanism. Shackle Dimensions: 90mm x 175mm (W x H x Diam) (3.55" x 6.90") x 14mm (0.55") D.
Additional Features: 5 laser cut keys (1 micro-light and 4 extra grip keys) Micro-light key projects a bright white beam, Snap Lock Quick Release multi-position mounting bracket.