Hollow Shaft Threaded Bottom Bracket Sealed Bearing BB30 Bottom Bracket Precision Machined Bike Crank Axle Easy to Install for Road Cycling, Mountain Biking

Product Type: This BB30 bottom bracket is a precision bike part designed as a threaded bottom bracket for compatible road and mountain bikes.

Main Function: It supports the bike crank axle and helps transfer pedaling power more smoothly, so every stroke feels more direct and efficient.

Sealed Bearings: The sealed bearing structure helps reduce dirt intrusion and keeps rotation stable, which is especially useful for regular riding and changing weather.

Build Quality: Made with an aluminum alloy and steel construction, this threaded bottom bracket is built for dependable strength while keeping the design compact and practical.

Fitment: Designed for BB30 bottom bracket setups with a 24 mm crank axle and 68-73 mm bottom bracket width, making installation straightforward for the right frame standard.