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  • Shimano Shimano BB-UN300 Bottom Bracket - English, 73 x 123mm Spindle, Square Taper JIS

Shimano BB-UN300 Bottom Bracket - English, 73 x 123mm Spindle, Square Taper JIS

$18.99
Excl. tax

Shimano square taper bottom bracket for english treaded shells

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Shimano BB-UN300 Square Spindle Bottom Brackets

  • Fits JIS square-taper cranksets
  • Crankarm fixing bolts sold separately
  • Hollow spindle
  • Spindle Interface Type: Square Taper JIS
  • Bottom Bracket Shell I.D.: 1.37
  • BB Shell Width (mm): 73
  • Spindle Length: 123
  • Defined Color: Black
  • BB/Frame Interface: English
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