Demeras Bicycle Bottom Bracket Lock Ring for Fat Snow Bike 80 * 142 100 155 177mm(80 142mm)

【HIGH-QUALITY MATERIALS】The bottom bracket is solid and with a long service time.The steel shell can absorb roundness tolerance for installing ports of Bracket Bottom.it's better than ordinary structure bottom bracket. 【PROFESSIONAL PERFORMANCE】Integrated system can protect the frame, more power output, it's better than ordinary structure bottom bracket. Waterproof, dust bearing and bearing shield design, which can help to prevent the erosion of sediment water. 【EASY INSTALLATION】The bottom bracket is solid and easy to use. Please use the BB tool to install and replace the bottom bracket for safety. 【COMPATIBILITY】Sealed cartridge bearings, fits 80mm/100mm bottom bracket shell. Square taper bottom bracket. Matte black finish. 【QUALITY SERVICE】We are committed to providing you with qualIfied products and quality services. If you have other questions about our products, please feel to contact us. We will reply you promptly.