Shimano BBUN300 - 68mm Bottom Bracket - 127.5mm

Availability: In stock (1)
  • Sealed cartridge bearings
  • Boron steel spindle
  • Alloy cups
  • Anodized aluminum sheath
  • Thread spec: BC1.37” x 24T
  • 280 grams
  • JIS taper (fits modern cranks- not compatible with classic European cranks)
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