Specialized Kryptonite Evolution 1090 Chain Lock Globe Yellow One SizeThe quintessential security accessory for any Globe is the Globe + Kryptonite custom chain lock. Part of the Evolution line of high security locks, this lock packs a 8 10 rating for security and is backed by Kryptonite's lifetime warranty and Anti theft Protection offer. The 100cm length means easier locking around racks and being able to lock a wheel as well. 10mm six sided chain links made from 3T manganese steel Durable weather resistant nylon