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

SHIMANO square taper bottom bracket

Shimano BB-UN300 cartridge style square taper bottom bracket works with a variety of cranksets and 68mm bottom bracket shells.

SHIMANO - Square Type Bottom Bracket - MTB - Standard Structure

Features:

• SHIMANO quality/performance cartridge bearing square bottom bracket
• Better chainline stability with chain line stabilizer
• 3 structures available
• Standard, E-type, chain case options
• Adapter material: Aluminum

Product Notes:

• THREAD IN OR PRESS IN: Thread In
• SHELL WIDTH: 68mm
• SERIES: Non-Series
• GENERATION: UN300
• SPINDLE LENGTH: 113mm
• CRANK INTERFACE: Square Type