Discontinued

Shimano BB70 XT Hollowtech II Bottom Bracket

DISCONTINUED ITEM. Please click through to see our current range of Hollowtech II Bottom Brackets.

The Shimano SM-BB70 is a complete Deore XT Hollowtech II Bottom Bracket Set. Suits 68mm or 73mm bottom bracket shells, and suits all Shimano and Race Face MTB outboard-bearing cranksets.

Shipping Weight: 100g.

The Shimano SM-BB70 (Deore XT) Bottom Bracket comes complete with three 2.5mm bottom bracket spacers.

  • On a 68mm shell without a bottom bracket-mounted front derailleur, fit two spacers under the right cup and one spacer under the left cup.
  • On a 68mm bottom bracket shell with a bottom bracket mounted front derailleur, fit one spacer under the right cup and one spacer under the left cup.
  • On a 73mm bottom bracket shell without a bottom bracket mounted front derailleur, fit one spacer under the right cup and none under the left.\
  • On a 73mm bottom bracket shell with a bottom bracket mounted front derailluer, use no spacers on either the right or the left cup.