OnGuard Bulldog DT U-Lock with 4-Foot Cinch Loop Cable (Black, 4.53 x 9.06-Inch) 9" shackle combined with 4' braided steel cable let's you lock bike to standard parking meter post without removing front wheel Shackle Dimensions: 115mm x 230mm (W x H x Diam) (4.5" x 9") x 13mm (0.51") D Cable Dimensions: 120cm x 10mm (4' x 0.39") Security Rating 65,Technology: X2P