{{ data.msg }}

Your browser does not support all of our website’s functionality. For an improved shopping experience, we recommend that you use the most recent versions of Google Chrome, Safari, or Firefox.


X4 Rear Derailleur


{{spec.DisplayName}} - {{spec.Value}}

Ships after .

Currently out of stock until .

Find a Dealer

Leveraging the legendary history of SRAM shifting, the X4 rear derailleur provides great shifting performance.

Read More
Read Less


Model ID


  • Low profile design
  • Wide pivot design for superior stiffness during shifts
See more features
See less features


Cage (RD) Long, Medium
Cable pull ratio 1:1
Speed (RD) 9/8/7s
Color (RD) Black, Silver
Cage material (RD) Aluminum, n/a
Pulley bearings material Steel
Max tooth 34


Installation. Service. Compatibility. Find all the documentation needed to set up, use, and maintain your components in the SRAM Service hub.

Visit product service page
X4 Rear Derailleur

X4 Rear Derailleur