Shimano 109.5+ mm Bicycle Bottom Brackets
About Shimano - "Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."
"Shimano practices good local citizenship, pursues continued access to those areas that are enjoyed by outdoor enthusiasts, and is committed to minimizing our impact on the environment."
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The bottom bracket shell width is the width, in millimeters, of the frame where the bottom bracket is mounted.
This is an older standard that was used on some Shimano cranks. Some common Octalink V1 cranks models include, XTR (BB-M952), Dura-Ace BB-7700, Ultegra (BB-6500) and 105 (BB-5500).
Some common Octalink V2 cranks models include Deore XT (ES70/71), Deore XL (ES70/71), Deore (ES50/51), FC-M752, FC-M751, FC-M572, FC-M571, FC-M510-8 & FC-M440-8 cranks.