Giới thiệu Khung Trục Giữa Xe Đạp 113 / 118 / 122.5 / 127mm
Description: This Square Tapered Bottom Bracket sealed bearing BB made of aluminum alloy, carbon steel bearing material- high strength with high loading bearing Sealed cartridge and dustproof hex screws provides 100% water resistance and prevents dust for great performance Carbon steel bearing reduces abrasion, vibration and makes maintain easier and integrated can protects the frame, more power output Featuring super-accurate bearings and precise threads for smooth operation and improved durability Suitable for 68mm frame shell and please use professional BB tool for installing and replacing Specification: Material: Aluminum Alloy Frame Width: 68mm Length: 113mm, 118mm, 122.5mm, 127mm Package Includes: 1 Piece Bike Bottom Bracket 2 Pieces Screws