Viaron 42x52mm Road Bike Front Fork Stem Headset Waterproof Bike Bearing Bowl GroupGold

Feature: 1. Manufacturing Material: Made of high quality aluminum alloy material, light weight, not easy to deformation, and long service life. 2. Gliding and Unimpeded: The upper and lower double bearing structure of the bowl group, gliding and unimpeded, labor saving and easy protection. 3. Dustproof and Waterproof: The cover is good for dustproof and waterproof to extend its durability. Laser design, beautiful and generous. 4. Applicability: The bowl set includes two types of bottom guard, which can support standard taper tube front fork and straight tube front fork. 5. Product Size: The Diameter of the upper bearing is 42mm 1.7in and the Diameter of the lower bearing is 52mm 2.0in. Specification: Item Type: Bicycle Headset Weight: Approx.110g 3.9oz Material: Aluminum Alloy Applicability: Bowl Set Includes Two Types Of Bottom Guard, Which Can Support Standard Taper Tube Front Fork And Straight Tube Front Fork.Upper Bearing Diameter: Approx.42mm 1.7inLower Bearing Diameter: Approx.52mm 2.0in. Package List: 2 x Bearing 1 x Star Nut Bowl Cover Set 1 x Bowl Group Top Cover 2 x Front Fork Bottom Guard1 x Reducing SleeveManufacturing Material: Made of high quality aluminum alloy material, light weight, not easy to deformation, and long service life. Gliding and Unimpeded: The upper and lower double bearing structure of the bowl group, gliding and unimpeded, labor saving and easy protection. Dustproof and Waterproof: The cover is good for dustproof and waterproof to extend its durability. Laser design, beautiful and generous. Applicability: The bowl set includes two types of bottom guard, which can support standard taper tube front fork and straight tube front fork. Product Size: The Diameter of the upper bearing is 42mm 1.7in and the Diameter of the lower bearing is 52mm 2.0in.