IRD Bottom Bracket Conversion Cups
Product information "IRD Bottom Bracket Conversion Cups"
Conversion cups for IRD Quad or Defiant bottom brackets. Fits IRD and Velo Orange axles.
Comes in French, Swiss, Italian, or 73mm OS* English BB threading. (If you require a 68mm English cup set, order the 73mm and pry out the spacers inside the cups.)
Material: Aluminum
Note :
- Some mountain bikes have "oversized" bottom brackets shell width of 73 mm, rather than the standard 68 mm.
IRD BB

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Spacer to allow your 68mm shell bottom bracket and bottom bracket shell to fit cranks designed for 73mm shells.

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Conversion cups for IRD Quad or Defiant bottom brackets. Fits IRD and Velo Orange axles. Comes in French, Swiss, Italian, or 73mm OS* English BB threading. (If you require a 68mm English cup set, order the 73mm and pry out the spacers inside the cups.) Material: Aluminum Note : Some mountain bikes have "oversized" bottom brackets shell width of 73 mm, rather than the standard 68 mm.

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IRD’s top level JIS square taper bottom bracket High polish finish Japanese sealed cartridge bearings POM industrial seals Steel cups SCM415 chromoly spindle Made in Japan

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IRD’s top level JIS square taper bottom bracket High polish finish Japanese sealed cartridge bearings POM industrial seals CNC-machined A6061 aluminum cups SCM415 chromoly spindle Made in Japan

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IRD’s top level JIS square taper bottom bracket High polish finish Japanese sealed cartridge bearings POM industrial seals CNC-machined A6061 aluminum cups SCM415 chromoly spindle Ten year warranty Made in Japan