What is the Bottom Bracket on a Mountain Bike? All You Need to Know
The bottom bracket on a mountain bike connects the crankset to the frame of the bike. It houses the bearings that allow the crankset to spin smoothly and efficiently. The type of bottom bracket used on a mountain bike depends on the frame design and the type of cranks being used. It is an essential component in the drivetrain of the bike, helping to transfer power from the rider’s legs to the wheels.