Bottom Bracket Shimano Octalink BB-5500 105
As a direct descendent of Dura-Ace, no other road component group provides the same cost-performance value as Shimano 105.
The Octalink V1 8-spline interface between the BB and crank arm forms a strong highly rigid connection that reduces weight and increases strength.
SHIMANO 105 BB-5500 BOTTOM BRACKET SPECIFICATIONS
- Material: Hollow chromoly splined spindle with alloy non-drive side cup
- Weight: 250g
- Compatibility: V-1, 8 spline spindle for Shimano road cranks only
- Two Sizes: 109.5mm Spindle for double cranks; 118.5mm for triple cranks
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