Walmart has the Kryptonite Folding Bicycle Lock for only $19.97! (Reg. $34) The Kryptonite TKO Folding Lock is a modern, high-security lock, offering easy-to-use versatile locking functionality, all while folding up into an ultra-compact included carrying case for simple transport. Take advantage of the Key Safe program by registering your keys, allowing you to receive 2 free keys in the event that you misplace yours. Plus, score FREE shipping on this order when you try out the new Walmart + Program. Sign up for a FREE 15 day trial today!