The Sram RD Chaingap Gauge Eagle V2 tool will help you align your rear derailleur correctly.

On a full suspension mountain bike, first bring the chassis in SAG. Place the template on the upper pulley. Then turn the B-adjust screw on the rear derailleur until the longest teeth of the largest cassette sprocket are aligned with the sprocket outline of the tool.

The template " Eagle universal" is handled slightly differently: Put the chain on the second largest sprocket and place the template on the largest sprocket with the arrow pointing towards the upper derailleur pulley. Then turn the adjusting bolt B on the rear derailleur until the arrow on the template points exactly to the centre of the axle of the upper derailleur pulley.

Compatibility

1x8-speed: XX1, X01, X01 DH, X1, EX1, 1x8-speed drivetrains
Mechanical 1x12/11/10/7: Eagle 10 - 50 teeth (mechanical), mechanical 1x12-, 1x11-, 1x10-, 1x7-speed drivetrains
AXS MTB: Eagle AXS
Eagle universal: for all Eagle and Eagle AXS 12-speed (10-50/10-52)
AXS Road 26- 33: Red/Force eTap AXS 26 - 33 teeth
AXS Road 26-36: Red/Force eTap AXS 26 - 36 teeth

Specifications