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Promax SC-1 JIS Square Taper Bottom Bracket

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Promax SC-1 JIS Square Taper Bottom Bracket

Promax SC-1 JIS Square Taper Bottom Bracket

SC-1 bottom brackets are the perfect choice for those who still prefer the low weight and simplicity of square taper cranks. Each bottom bracket is hand assembled using a hollow chromoly spindle precision sealed bearings forged and CNC-machined alloy cups and a composite center spacer/seal.
  • Hollow chromoly spindle
  • CNC-machined alloy cups
  • JIS square taper
    Bottom Bracket Shell I.D. 1.37
    BB/Frame Interface English
    BB Shell Width (mm) 68
    Weight 246, 253
    Spindle Interface Type Square Taper JIS
    Spindle Length 108, 113
    Defined Color Black
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    From $29.99
    Promax SC-1 JIS Square Taper Bottom Bracket—
    $29.99

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    Description

    SC-1 bottom brackets are the perfect choice for those who still prefer the low weight and simplicity of square taper cranks. Each bottom bracket is hand assembled using a hollow chromoly spindle precision sealed bearings forged and CNC-machined alloy cups and a composite center spacer/seal.
  • Hollow chromoly spindle
  • CNC-machined alloy cups
  • JIS square taper
    Bottom Bracket Shell I.D. 1.37
    BB/Frame Interface English
    BB Shell Width (mm) 68
    Weight 246, 253
    Spindle Interface Type Square Taper JIS
    Spindle Length 108, 113
    Defined Color Black