Shimano | 105 Bb-5500 Bottom Bracket 109.5Mm, 68Mm, English

Shimano 105 BB-5500 Bottom Bracket 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 Note: crank arm fixing bolts not included. | Shimano | 105 Bb-5500 Bottom Bracket 109. 5Mm, 68Mm, English