DescriptionDesigned for mountain bike, fixed gear, road bike, this bottom bracket is made of premium material for long time and durable use. It has a simple design, but very practical in use, giving you a good using experience. Also can be a good gift choice for your friends, they will like it.Features-Material: carbon steel - The carbon steel shell of the central axis is sturdy and durable, with long service life, excellent workmanship, easy operation, safe and reliable use. - Waterproof, dustproof bearing and maintenance-free sealed cartridge bearing design help prevent erosion from sediment, water, dirt, and mud. - Two bearings are precisely threaded for better connection with the bike arm. Helps you install quickly and easily without adjustment. - Hollowed design, reduce weight, less noise and high efficiency in riding. - Every detail is carefully crafted, so you experience the high durability and practicality.
