Shimano BB-UN300 BSA 110 mm / 68 mm Square is a cartridge bottom bracket designed for bicycles equipped with square taper cranksets and a BSA threaded bottom bracket shell.
Key Features
Construction and Design
The BB-UN300 features a sealed cartridge design that protects the bearings from water, dirt, and dust. Its durable steel spindle and robust construction provide reliable long-term performance.
Main Functions
The 110 mm JIS square taper spindle is compatible with a wide range of Shimano and other square taper cranksets. Sealed bearings ensure smooth pedaling performance while reducing maintenance requirements.
Usage and Compatibility
Designed for frames with a 68 mm BSA threaded bottom bracket shell. Suitable for city, touring, mountain, and other bicycles using Square Taper cranksets.
Additional Features
The cartridge design allows for straightforward installation and replacement. Effective sealing helps extend service life, even under demanding riding conditions.
Summary
The Shimano BB-UN300 BSA 110 mm / 68 mm is a dependable, low-maintenance bottom bracket designed for riders seeking durability and smooth drivetrain performance. It is compatible with a broad range of bicycles using square taper cranksets and BSA-threaded frames.
