BOTTOM BRACKET, BB-UN300, EBBUN300B23X

Shimano BB-UN300 Square Spindle Bottom Bracket

Introducing the BB-UN300 Bottom Bracket from the renowned Components brand - a superior choice for cyclists who value performance and durability. This bottom bracket is compatible with JIS square-taper cranksets, ensuring a perfect fit for a wide range of bicycles.

Notably, the BB-UN300 model is equipped with a hollow spindle designed to reduce weight while maintaining strength. Crankarm fixing bolts, although sold separately, add to the overall versatility of this bottom bracket, making it an essential component for any cycling enthusiast.

• Brand: Components
• Product: BB-UN300 Bottom Bracket
• Compatible with JIS square-taper cranksets
• Hollow spindle for reduced weight and increased strength
• Crankarm fixing bolts sold separately