STANDARD BOTTOM BRACKET, BB-UN300, SPINDLE: SQUARE TYPE, SHELL: BSA 68MM, SPINDLE: MM107, W/O FIXING BOLT

Standard Bottom Bracket BB-UN300 with Square Type Spindle

Designed to deliver a sturdy and reliable performance, the Standard Bottom Bracket BB-UN300 by Components is engineered for JIS square-taper cranksets. This bottom bracket boasts a BSA 68mm shell and a MM107 spindle, ensuring a perfect fit and seamless operation for your bicycle. Please note that the crankarm fixing bolts are sold separately.

This bottom bracket utilizes a hollow spindle design, offering a lightweight yet robust support system for your bike. Whether you're a professional cyclist or a daily commuter, the BB-UN300 is a solid choice for optimizing your bike's performance and enhancing your riding experience.

• Compatible with JIS square-taper cranksets
• BSA 68mm shell
• MM107 spindle
• Hollow spindle design for lightweight durability
• Crankarm fixing bolts sold separately