Shimano BB-UN300-K Bottom Bracket - English 68 x 122.5mm Spindle Square Taper JIS For Chain Case

Upgrade your bike’s performance with the Shimano BB-UN300-K Bottom Bracket, designed to deliver reliable and smooth pedaling efficiency. This model features an English 68 x 122.5mm spindle with a square taper JIS interface, perfectly compatible with JIS square-taper cranksets, ensuring precise fit and optimal power transfer.

• Compatible with JIS square-taper cranksets for easy installation and enhanced durability
• Crankarm fixing bolts are sold separately, allowing customization to your setup
• Equipped with a lightweight hollow spindle to reduce weight without sacrificing strength

Experience smooth rotation and long-lasting performance, making it ideal for casual riders and enthusiasts alike.