BB-UN300

Simple and reliable square taper bottom bracket

• Replaces both BB-UN26 and BB-UN55
• Sealed cartridge bearings
• Cr-Mo axle
• For bicycles equipped with a chain case, select BB-UN300-K
• For E-type front derailleur compatibility, choose BB-UN300-E
• Fixing bolts not included; Shimano FC-E6000 bolts suggested

Specifications

• BB Shell Thread: British
• BB Shell Width: 68mm
• BB Bearing: Steel
• Interface: Square
• Primary Color: Silver
• Spindle Length: 107mm

Special order - ships in 5-10 days from our distributor.