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Continue to ChatDura-Ace 9000 front mech support bolt https://cycletechreview.com/2013/reviews/shimano-dura-ace-9000/attachment/dura-ace-9000-front-mech-support-bolt/
Dura-Ace 9000 front mech support bolt https://cycletechreview.com/2013/reviews/shimano-dura-ace-9000/attachment/dura-ace-9000-front-mech-support-bolt/