Shimano Alivio BB-UN300 Bottom Bracket - BSA - Square

Shimano Alivio BB-UN300 Bottom Bracket - BSA - Square

Ref. 132025

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The Shimano Alivio BB-UN300 bottom bracket is mounted on frames with a BSA bottom bracket.  Several sizes available.


  • Brand: Shimano
  • Product : Bottom bracket housing
  • Range : Alivio BB-UN300
  • Axis type: Square
  • Shaft length: 110mm, 113mm, 117mm, 123mm
  • Housing width: 68 mm
  • Thread: BSA
  • Discipline: Mountain biking
  • Rigid and lightweight for efficient power transfer


  • Brand Shimano
  • Thread BSC / BSA
  • System Square
  • Reference 132025
  • EAN13 4550170619206
  • Manufacturer reference EBBUN300B10X

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