The shimano ultegra rd 6700 rear derailleur features a wide outer link plates increase pivot joint rigidity to reduce shifting deflection shimano ultegra rd 6700 rear derailleur max 30t features ultegra rear derailleur with wide link design gives quick accurate shifts and excellent drivetrain efficiency wide outer link plates increase pivot joint rigidity to reduce shifting deflection lightweight aluminium pulley cage helps reduce weight without sacrificing shifting p