star-art front and back disc brake kit - aluminum alloy calipers, 2 pcs stainless steel 160 mm rotors & cable & brake lever & 12 bolts, freewheel threaded hubs hole distance of 48mm star-art <br>please check the descriptions carefully and confirm the specification of your original brake disc before purchasing! <br> <br>package content: mechanical bike 160mm rotor front and back brake disc kit x 1 <br> <br>if there is any problem with this product, please kindly contact us first.