Rocky Creek HelmetLok and Stainless Steel T-Bar Combined Model_Bridgestone H50 Cruiser Tyre Thread Sizes: M6 x 1

Thread Sizes: M6 x 1

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Outside Width: 7

SHINKO SR879 90/90-12

Rocky Creek HelmetLok and Stainless Steel T-Bar Combined Model_Bridgestone H50 Cruiser Tyre Thread Sizes: M6 x 1HELMETLOK is a carabiner style lock, with a 4 digit programmable locking mechanism, designed to lock your helmet to your bike. If your helmet utilizes a "quick release" buckle, slide the Extension into the "quick release" buckle, thread the HelmetLok into the hole at the end of the Extension, attach it to your bike and lock it! Unlike a conventional carabiner, when the locking arm is open, it pivots outwards. This allows you to attach it to large