STANDARD BOTTOM BRACKET, BB-UN300, SPINDLE: SQUARE TYPE, SHELL: BSA 68MM, SPINDLE: LL113, W/O FIXING BOLT

Shimano Standard Bottom Bracket, Square Spindle Type - BB-UN300

Enhance your cycling performance with the Shimano Standard Bottom Bracket, BB-UN300. This high-quality product is specifically designed for efficient pedaling, featuring a JIS-standard square-shank steel axle that seamlessly fits all JIS-standard cranks. With its sealed bearings, you'll experience minimal friction, enabling smooth and effortless pedaling.

Compatible with frames designed for Euro BSA/BSC-type bottom brackets, this Shimano Square Spindle Bottom Bracket is versatile, reliable, and ensures optimal cycling efficiency. Its Euro cartridge design and internal threading make installation easier and guarantee secure fitting.

• Type: Euro cartridge
• Housing Diameter: 34.5mm
• Spindle: Square JIS
• Spindle Length: 113 or 118mm
• Thread: BSA/BSC
• Shell Width: 68mm
• Bearings: Sealed for smooth pedaling
• Weight: 290g

This Shimano BB-UN300 Bottom Bracket is sold with two axle screws, ensuring you have everything you need for quick and easy installation. Upgrade your cycling gear today with this durable, high-performance bottom bracket.