Check the listing for details. Kryptonite York U-Lock - 4 x 8 Keyed Black Includes Bracket Bicycle Lock. Color: Black, Condition: New. Listed at 147.95 USD. This lock is the highest security Kryptonite U-lock available, featuring a 16mm Kryptonium steel with double deadbolt design. Includes three stainless steel keys - two standard "I" keys and one LED lighted key. Oversized hardened steel sleeve over cross bar for double security. Hardened deadbolt locking for extensive holding power. Hardened MAX-Performance, 16mm steel shackle resists bolt cutters and leverage attacks. Higher security disc-style cylinder. Security Rating: 9 out of 10. Transit Flex Frame Bracket fits on the adjustable spline and allows for multiple off-set fitments to better align the lock for transportation. Item Specifications: Length, 8, Diameter, 16, Lock Style, Keyed, Shackle Width, 4.0, Advertised Weight, 4.35, Cable Included, No, SHIPS TODAY! Order before 1:30PM EST, M - F, and this item ships the same day! HAVE A QUESTION?Expert customer service by bike experts! A Real Brick And Mortar Retail Bicycle Shop with people you can talk to! Contact Us! (9-5 Mon-Fri, 12-4 Sat & Sun EST) Chat With Us