Feature: HIGH QUALITY MATERIAL:The bicycle headset is composed of quality aluminium alloy material,delivering excellent stability and durability. SUITABLE SIZE: The bearing headset is suitable for 44mm bike frame head tube with low friction face-seals on the crown races. ELEGANT APPEARANCE: The headset with sleek surface and smooth rotation,matching well with your bike headset,the fashionable design will draw much attention. The sealing ring is good for keeping dust and water away to prolong service life. Product parameters: Brand: LITEPRO Name: Folding bike headset Specifications: built-in 44MM Material: aluminum alloy CNC Process Surface Polishing Process Laser Marking Weight: 74 grams ultra light Built-in stainless steel Palin bearing, flexible rotation, very lubricated Suitable for retrofit models: SP8, SP18, VP18, MUP8, JP8, BYA412, etc. As long as it is a built-in 44MM large-row modified folding bike, most of them can be used. Packing list 1*Folding bike headset