ProX big-end bearing for connecting-rod service and engine rebuilds, produced by top Japanese OEM bearing manufacturers for dependable performance. Ideal when refreshing the crank/rod assembly to restore smooth operation and durability.
ProX Big-End Bearing is a high-quality replacement bearing designed for the connecting rod big-end, helping restore smooth engine operation during rebuilds. Manufactured by leading OEM factories in Japan such as IKO and NTN, it’s built for consistent fit, reliable performance, and long service life under demanding riding conditions.
If you’re servicing a worn or noisy bottom end, replacing the big-end bearing is a key step to reduce friction and play in the rod assembly—supporting better durability and peace of mind for your next hours on the bike.