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Shimano BB-UN300 Bottom Bracket, English, 73mm x 122.5mm Spindle, Square Taper JIS

Shimano BB-UN300 Bottom Bracket, English, 73mm x 122.5mm Spindle, Square Taper JIS

Shimano

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Shimano BB-UN300 Square Spindle Bottom Brackets

  • Fits JIS square-taper cranksets
  • Crankarm fixing bolts sold separately
  • Hollow spindleSpindle Interface Type: Square Taper JIS
  • BB Shell Width (mm): 73
  • Bottom Bracket Shell I.D.: 1.37
  • Spindle Length: 122.5
  • BB/Frame Interface: English
  • Defined Color: Black

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