_x000D_ Description: *100% new and high quality *Made of high quality material, durable and practical to use *Compression plug , made of aluminum alloy and stainless steel. *Designed for carbon fiber forks and road bike suspension forks with 25.4-28.6mm outer diameter. *Adjust the diameter from 22.9mm to 25.4mm fit into steerer tube by screwing the compression bolt. *Securely and safely compress your headset together when using a carbon fiber forks. *Disassemble the assembly and grease each part except the sleeve before installation. *Easy installation with 6mm wrenches. *Use for 1-1/8" (28.6mm) Stem Specification: *Material: Aluminum alloy + Stainless steel *Color: Silver (As Pictures Show) *Size: About 48x22.9mm(As Pictures Show) *Weight: About 22g Package Includes: 1 x Bicycle Headset Expander 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. _x000D_ _x000D_