Specifications: total length 63mm/2.48inch, hole spacing 41mm/1.61inch.
High-quality aluminum alloy: The bicycle rear derailleur is made of high-quality aluminum alloy, CNC processed, which is firm and durable.
Extended rear derailleur: The bicycle rear derailleur is used to extend the rear derailleur, suitable for mountain flywheel 32T/36T/40T/42T/44T/46T/50Y/52T/56T road flywheel.
Easy to install: It is simple to replace and install the hanger, and adjust the tension and speed more smoothly.
Speed change smoothly: The bike rear derailleur makes the flywheel speed change more smoothly.