Sram NX X-Horizon 1x11 Rear Derailleur Long Cage BlackThe Sram NX X-Horizon 1x11 Rear Derailleur is the most affordable fully featured 1x rear derailleur in the industry. The X-Horizon design reduces shift force, ghost shifting, and chain slap. The 12 tooth X-Sync pulley wheels for reliable giving it long life performance. This is fully compatible with all SRAM 1x drivetrains, but specifically for 1x11 or 1x10. Weighs only 322g. Available in Long Cage in Black.710845783074