Derailleurs

SRAM Rear Derailleur Eagle 90 T-Type 12 speed Max 52T (Mechanical).
Most robust mechanical derailleur.
Replaceable skid plates, outer and inner parallelogram link, cage or cage assembly.
The most rebuildable derailleur in the Eagle Transmission Ecosyst

Not just fast and reliable front shifts, but silent running across the whole cassette.

Shimano GRX RX827 Rear Derailleur, RD-RX827-SGS, GRX, SGS, 51t, 12-Speed

Features
AXS enabled for easy wireless setup, monitoring, personalization, and reliability
Refined cage shape results in faster and more accurate front shifts
Easy setup with included tool
SRAM Yaw cage technology optimized for use with X-Range chainr

Features: 




Chain management technology keeps the drivetrain quiet and secure
AXS enabled for easy setup, personalization, and reliability
Compatible with both 1x and 2x drivetrains
Compatible with cassettes from 10-28T to 10-36T

EC-DN100 is the compact new charger keeping your wireless Di2 battery charged up. • New Power Source: The evolution of the Di2 power source also gets a new and easy to use charger.

The heart of the AXS ecosystem is lighter, more efficient, & more capable than ever. Covering cassette ranges from 10-28t up to 10-36t, this wireless wonder has larger pulleys to decrease chain articulation & increase efficiency, and an Orbit fluid damper

SRAM Rear Derailleur Pulley Kit X0 T-Type Eagle AXS (Includes 14T Upper And 16T Spider Pulley, 2 Stainless Steel Pulley Screws)

REAR DERAILLEUR B-BOLT AND LIMIT SCREW KIT GX EAGLE (52T) INCLUDES B-BOLT/WASHER, B-SCREW AND LIMIT SCREWS
SRAM Model ID: RD-SPP-A0