Shimano BB-UN300 Bottom Bracket - English 68 x 107mm Spindle Square Taper JIS

Discover the reliability and performance of the Shimano BB-UN300 Bottom Bracket, designed specifically for English 68 x 107mm spindle applications with a Square Taper JIS interface. Engineered to fit JIS square-taper cranksets seamlessly, this bottom bracket offers durability and smooth operation for your bike’s drivetrain.

• Compatible with JIS square-taper cranksets, ensuring a perfect fit
• Crankarm fixing bolts are sold separately for flexible installation
• Features a hollow spindle that balances strength and lightweight design

Experience improved pedaling efficiency and enhanced power transfer with this robust bottom bracket, ideal for riders seeking dependable performance and long-lasting use.