ITEM NAME:Mi.Xim 160Mm Dh Mtb Mountain Bike Cooling Disk Brake Rotors Down Hill Six N Q6D3 Mi.Xim 160Mm Dh Mtb Mountain Bike Cooling Disk Brake Rotors Down Hill Six N Q6D3 R9N1 Name: 160mm Down Hill Floating Bicycle Brake Six Nail Disc Material:Magnesium alloy + stainless steel Specifications: (approx.) 160mm; Thickness:approx 1.90 mm color: Black Process: Pitch: the center distance of the hole is 44 mm/ (international standard six-pin disc) Suitable for riding Features: The adoptive material is a cold forging aluminum alloy with strong toughness, high corrosion resistance and good heat dissipation Package Contents: 1* 160mm Bicycle Brake Disc