Item Name: Bike Crank Arm Crankset Bottom BB Axle Allen Bolt Screw for SHIMANO Black Newly. Smart TV Box Android Quad Core HDMI 1080P Wifi Streaming Media Player UK
Specification:
100% Brand New and High Quality
Name: Color tooth disc screw
Material: Aluminum alloy 6061
Tooth disk device classification: Tooth disc
Diameter: 20 mm
Weight: 9g
Color: Black
Note: The diameter of the tooth disc screw is 20mm, so it can not fit for the 18mm diameter bicycle, like FC-4500, FC-5600. It is fit for SHIMANO or some same specification bicycles.
