Description: * brand new and high quality *Made of high quality material durable and practical to use *Road Bike & Mountain Bike Crank Arm Fixing Bolt For-Shimano HollowTech-II Cranksets. Specification: *Material: Aluminum alloy *Color: Black,Red (As Pictures Show) *Weight: About 12.5g *Model: M20x8mm Package Includes: 1 x Bolt 1 x Tool Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.