Sram X7 Rear Derailleur

This is an 8 or 9 speed rear derailleur that is compatible with SRAM 1:1 shifters (triggers and twisters).
It comes in either long or medium cage options and in two different colours (Silver or Black).
It has a 1:1 actuation ratio and Direct Route Technology for lighter effort shifting and is made from Alloy and Steel.
Weight: 270g / 263g.