SRAM's innovative T-Type Eagle Transmission design mounts directly to the bike's frame coaxially, with the rear wheel losing the derailleur hanger. As a result of removing the hanger, no b-tension or ...
A patent application filed by Shimano appears to show that the brand is working on an integrated rear derailleur, similar to what we've seen on SRAM's new T-Type Eagle Transmission. The patent drawing ...