Shimano BB-UN300 Bottom Bracket - English 68 x 113mm Spindle Square Taper JIS

Experience reliable performance with the Shimano BB-UN300 Bottom Bracket, designed to fit English 68 x 113mm frames with a Square Taper JIS spindle. Ideal for riders seeking durability and smooth pedaling efficiency, this bottom bracket perfectly matches JIS square-taper cranksets to ensure optimal compatibility and long-lasting use.

• Compatible with JIS square-taper cranksets for seamless integration
• Crankarm fixing bolts sold separately, allowing customization
• Features a lightweight hollow spindle for enhanced strength and reduced weight