(a) Lock Bar slides over bicycle frame at the downtube (common to all bikes). Cannot be vandalized.

(b) Padlock Protector is a high security feature.  Boltcutters, hacksaws, hammers pose no threat to the padlock shackle because Padlock Protector's unique design.

(c) Steel Loops accommodate "horseshoe" locks such as Citadel & Kryptonite.