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Octalink ®
From WikiPedalia
Shimano's system of splined bottom brackets.
Octalink ® cranks come in one of two different spline patterns:
- The original "V1 " type for:
- XTR (BB-M952 9-speed) 112.5 & 116 mm lengths
- Dura-Ace (BB-7700 9speed) 109.5 mm (double) & 118.5 mm (triple) lengths
- Ultegra (BB-6500 9-speed) 109.5 mm (double) & 118.5 mm (triple) lengths
- 105 (BB-5500 9-speed) 109.5 mm (double) & 118.5 mm (triple) lengths
- The later "V2" type for:
- Deore XT (ES70/71)
- Deore LX (ES70/71)
- Deore (ES50/51) The V2 BBs work with FC M752, FC M751, FC M572, FC M571, FC M510-8 and FC M440-8 cranks.
- Tiagra 2005 (4401,4404)
- Sora 2005 (3301,3304)
