Dilwe 68MM Sealed Bottom Bracket Square Taper Metal Bearing Spare Parts with Screws for Mount Foldable Bike Accessory (113mm)

Hexagon Scoket Water-proof: The sealed bottom braket used hexagon socket water?proof screws, which is made of high?grade Materials, strong and durable, for long serve time. Not Easy to Rust: The sealed bottom bracket provide variable?speed bicycle riding accessories, which is equipped with waterproof screws, and the bearing axis is smooth, which greatly improves the wear resistance and is not easy to rust. Easy to Opearte: The sealed bottom bracket is easy to install and operate, which is lubricity makes it easier for you to participate in bicycle races. Carbon Steel Material: The sealed bottom bracket is made of carbon steel materials, high strength, strong and durable, for long serve time. Wide Application: The sealed bottom bracket is suitable for mountain bikes, variable speed bikes, etc. which is an important bicycle accessory.