FUJIN Durable Aluminum Alloy Bike Extension Stem Cycling Parts Threadless Stem Mountain Bike Bike Stem Extender Bicycle Stem Riser Adapter Bike Quill Stem Converter Raise Bar Components

Color: Silver, Black. Package Includes: 1 Pc Bike Quill Stem Adapter. Type: Bike Quill Stem Adapter. Weight: about 155/180 grams. Base Diameter(Upper diameter): 1 1/8 28.6mm. Base Diameter(Upper diameter): 1 1/8 28.6mm). Color: Silver, Black. Weight: about 155/180 grams. Type: Bike Quill Stem Adapter. Length: 160mm/6.3 inch. Steerer tube diameter: 22.2mm/25.4mm. Material: Aluminum Alloy. Package Includes: 1 Pc Bike Quill Stem Adapter. This premium quill stem adapter riser made of high quality aluminum alloy-sturdy, solid, high strength but lightweight. Raises the height of your handlebars by increasing the height of your stem. Apply to 25.4mm to 28.6mm and 22.2mm to 28.6mm Front Fork Head Tube. Converts mountain bicycle folding threadedless quill setup to threadless. Easy installing, operation and flexible