BOTTOM BRACKET, BB-UN300-K, EBBUN300KB27X

Shimano BB-UN300 Square Spindle Bottom Brackets

Discover the exceptional performance of the BOTTOM BRACKET, BB-UN300-K, EBBUN300KB27X by Components. This bottom bracket gives your bike the stability it needs, providing a seamless connection between your crankset and bicycle frame. It is specifically designed for JIS square-taper cranksets and is an ideal choice for bike enthusiasts who value efficiency and reliability.

The Shimano bottom bracket comes with a hollow spindle and is suitable for use with a chain case. It stands out for its precision engineering, offering a solid grip and a smooth ride. Crankarm fixing bolts are sold separately.

• BB/Frame Interface: English
• Bottom Bracket Shell I.D.: 1.37
• Spindle Length: 127.5
• Spindle Interface Type: Square Taper JIS
• BB Shell Width: 68mm