Description: 100% brand new and high quality. Lightweight and easy to install. 5 different size(3mm/5mm/10mm/15mm/20mm) in one package. Perfectly suitable for 28.6mm (1-1/8inch)stem of MTB mountain bike, road bike etc. Specification: Material: full carbon fiber Inside Diameter: approx. 28.6mm/1-1/8inch Thickness:approx. 3.1mm/0.12inch Height: 3mm, 5mm, 10mm, 15mm, 20mm Package Includes: 1 Piece 3 mm Height Stem Spacer 1 Piece 5 mm Height Stem Spacer 1 Piece 10 mm Height Stem Spacer 1 Piece 15 mm Height Stem Spacer 1 Piece 20 mm Height Stem Space
