Heavy Duty Motorcycle Chain Lock Metal Anti Theft Bike Lock with 2 Keys for Maximum Security and Reinforcement of Bicycle

Specification:Name: Ring lock / wire rope lock, aluminum lock cylinderSuitable for: mountain bike/battery bike/road bike/folding bikeSpecifications: length 85cm supporting bracket key is straightWeight: about 160gMaterial: Steel wire rope inner outer anti-skid ring-shaped fixing materialColor: black as pictured (The lock head is red)Description: The bracket can be installed with a seat tube diameter of 29.8 or less, and the general ring lock is wrapped around the seat post or frame