Specifications: Condition: 100% New Road Bike 1-1/8 Inch Headset & Expander Compressor Internal Cable Bicycle Parts Bike Fork Internal Steering Bearing Description: *100% brand 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 *Internal Cable Design Specification: *Material: Aluminum alloy + Stainless steel *Color: Silver/Black (As Pictures Show) *Size: About 48x22.9mm(As Pictures Show) *Weight: About 135/160g Package Includes: Package1：1 x Bicycle Headset Package2：1 x Bicycle Headset +1 x 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.