SHIMANO bottom bracket 'BB-UN26' with JIS-4-square crank shaft & 68mm BB-width

This item is no longer being offered by the manufacturer
  • completely sealed
  • reliable & solid
  • long durability

Product information & technical details

Material: Aluminium, Steel
brand: SHIMANO
bottom bracket type: 4-square JIS
Bottom Bracket Width: 68
Bottom bracket type: BSA


  • BB in compact construction: fully encapsulated & sealed without further adjustment function
  • Massive steel crank shaft

English reviews written for SHIMANO BB-UN26 bottom bracket JIS BSA/68+