bicycle tool kits for quick fixes-Shimano BB-UN300 Bottom Bracket - English 73 x 113mm Spindle Square Taper JIS

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Shimano BB-UN300 Bottom Bracket - English 73 x 113mm Spindle Square Taper JIS. Shimano BB-UN300 Square Spindle Bottom Brackets
  • Fits JIS square-taper cranksets
  • Crankarm fixing bolts sold separately
  • Hollow spindle
    • TECH SPECS
    Bottom Bracket Shell I.D. 1.37
    BB/Frame Interface English
    BB Shell Width (mm) 73
    Spindle Interface Type Square Taper JIS
    Spindle Length 113
    Defined Color Black