Description
A Dura Ace model SL-7400 (the older style where the D-ring is part of the bolt) rear only 6 speed SIS unit; does not include the rear shift lever, only the replacement indexing mechanism.
A Dura Ace model SL-7400 (the older style where the D-ring is part of the bolt) rear only 6 speed SIS unit; does not include the rear shift lever, only the replacement indexing mechanism.
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