1. Maximum Height Extension: 180mm (7 inch). Include 6 gaskets, 2 x 20mm (4/5 inch), 3 x 10mm (2/5 inch) and 1 x 5mm (1/5 inch). Can freely adjust the gasket to fit your own height
2. Easy installation, just connect up the original front fork stem
3. Forged 6061 Aluminum Alloy Material with polished anodized finish, Solid, Secure, Durable.
4. Suitable for Most bike with 1-1/8'' threadless headset
5. Handling more flexible, light weight, easier to force when climbing, operation is comfortable