JIS Bottom Bracket with Alu Cups - How Tight?

Gussio
Gussio Posts: 2,452
edited January 2011 in The workshop
01 JIS bottom bracket with aluminium cups going into a steel frame. Can't find tech docs online and am worried about over-tightening, especially with such soft cups. What should I be torquing it up to?

Comments

  • Berk Bonebonce
    Berk Bonebonce Posts: 1,245
    Dunno what the correct torque would be, but the danger is in overtightening the drive side 'cup', ie. the 'cup' with the lip. Overtighten it and the lip can split.

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