Ergonomic shape with robust 40 x 14mm cross-section denies bolt cutters Colorful coating prevents frame scratching Single-latch, hinged closure and patented hidden-key entry resists even sophisticated attack Inside shackle dimensions 2-3/4'' x 6'' / 72 x 151mm, outside dimensions 4'' x 7-1/4'' / 105 x187mm Includes patented mounting bracket for secure and convenient storage on seatpost when riding City Lock uses the same key as other Pinhead locks so you can now lock up your frame, wheels, and seatpost with a single security system 
