BuyDig offers the Kryptonite KryptoLok Series 2 Standard Bicycle U-Lock with 4-Foot Flex Cable, model no. 001072, for $50.49. Coupon code "EMCP11410163164" cuts it to $29.99. With free shipping, that's a buck under our October mention and the lowest total price we could find by $13. It features a 13mm hardened steel shackle, reinforced hardened cross bar design, disc-style cylinder, vinyl coating, and two stainless steel keys.