STANDARD BOTTOM BRACKET, BB-UN300, SPINDLE: SQUARE TYPE, SHELL: BSA 68MM, SPINDLE: 115MM (D-H), W/FIXING BOLT

Standard Bottom Bracket BB-UN300 by Components

The Components BB-UN300 is a standard, square spindle bottom bracket designed to provide peak performance. Tailored to fit JIS square-taper cranksets, this bottom bracket features a BSA 68mm shell and a 115mm(D-H) spindle. The hollow spindle design reduces weight without compromising on strength or durability. The BB-UN300 comes with a fixing bolt, though crankarm fixing bolts are sold separately.

This bottom bracket is defined by its black color and is compatible with English BB/Frame interfaces. The Bottom Bracket shell has an inner diameter of 1.37 inches. This high-quality component from Components ensures your ride is smooth and efficient.

• Standard, square spindle bottom bracket
• BSA 68mm shell
• 115mm(D-H) spindle length
• Compatible with English BB/Frame interfaces
• Bottom Bracket Shell I.D.: 1.37
• Comes with fixing bolt
• Designed to fit JIS square-taper cranksets
• Hollow spindle design for reduced weight