Shimano’s BB-UN26 bottom bracket carries the Shimano mark of a quality component. It’s a sealed cartridge unit available for your mountain bike, and featuring English thread, and a JIS Square Taper axle. For convenience the BB-UN26 comes assembled and greased, all ready for installation.

Features & Specifications

• Model: BB-UN26

Sizes: Choose from what’s displayed in the drop down menu.

• 68x113mm 
• 73x113mm

• Axle Style: JIS Square Taper
• Sealed cartridge unit
• Thread: English thread
• Weight: 317 grams