BuyDig offers the Kryptonite KryptoLok Series 2 Standard Bicycle U-Lock with 4-Foot Flex Cable, model no. 001072, for $42.95. Coupon code "BIKELOCK4U13" cuts it to $29.95. With free shipping, that's tied with our mention from last fall as the lowest total price we've seen. (It's a current low by $13.) It features a 13mm hardened steel shackle, reinforced hardened cross bar design, disc-style cylinder, vinyl coating, and two stainless steel keys.