REAR DERAILLEUR, RD-R9250, DURA-ACE Di2, 12-SPEED
$814.99Super Record EPS
$715.00Integrated stop tower for simple installation and durability
$589.99FRONT DERAILLEUR, FD-R9250, DURA-ACE Di2, FOR REAR 12-SPEED
$449.99REAR DERAILLEUR, RD-R8150, ULTEGRA Di2, 12-SPEED
$409.9912 speed rear derailleur
$357.00FRONT DERAILLEUR, FD-R8150, ULTEGRA Di2, FOR REAR 12-SPEED
$259.99