Originally Posted by
Drew Eckhardt
Unfortunately, small parts like the the EC-SR037 front paddle return spring for Ultrashift levers with a design 11 years newer are not available* because Campagnolo stopped small part sales for the new 2009 shifters a few months into 2009. They discontinued the rebuild packs shortly afterwards but offered the cable takeup bushings EC-SR060/EC-SR061.
How is EC-SR037 different from EC-RE137? Could the 137 possibly be modified to work in place of the 037?