The Recordtm groupset presents the Recordtm 10s Ultra Narrowtm chain that is just 5.9 mm wide.Owing to its dimensions, it is lighter and quieter and facilitates adjustment of the rear derailleur. Chain links and pins have been lightened so that the chain weighs only 255 g in all. Hollow pins Weight savings Width 5.9mm Quiet operation, less interference with adjacent sprockets and chainrings, highperformance shifting HDLinktm Extremely high retention force Lightene
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