Description: Made of high-quality aluminum alloy material, sturdy and durable to use. This adapter can convert the 55mm tapered head tube to 44mm. For the front fork: diameter 28.6mm. Application: frame head tube inner diameter 55mm. Specification: Material: Aluminum Alloy Outside Diameter: 55mm / 2.2inch Inner Diameter: 44mm / 1.7inch Color: Silver Package Includes: 1 Piece Bike Head Tube Adapter
