STANDARD BOTTOM BRACKET, BB-UN300, SPINDLE: SQUARE TYPE, SHELL: BSA 68MM, SPINDLE: 127.5MM (D-EL), W/FIXING BOLT

Shimano Standard Bottom Bracket BB-UN300 with Square Type Spindle

The Shimano BB-UN300 is a premium-quality Standard Bottom Bracket designed for optimal performance and durability. Engineered with a square type spindle, it ensures impeccable compatibility with JIS square-taper cranksets. The shell boasts a BSA 68mm dimension, providing a firm and secure fitting.

Featuring a 127.5mm (D-EL) spindle length, this bottom bracket guarantees a seamless fit for a wide range of bicycle models. It comes with a fixing bolt, making installation effortless and efficient. The hollow spindle design contributes to its lightweight yet robust structure, ensuring consistent performance in every ride.

• Compatible with JIS square-taper cranksets
• BSA 68mm shell for a secure fit
• Durable 127.5mm (D-EL) square type spindle
• Comes with a fixing bolt for easy installation
• Hollow spindle design for lightweight and robust performance