X-TREME Rubicon 48V Owner's Manual page 24

Stroke Adjustment
As shown in illustration No. 1
(A) Smallest Sprocket
(B) Guide Pulley
(C) "H" Adjustment Bolt
Turn the "H" adjustment bolt to adjust so
that the guide pulley is in line with the outer line
of the smallest sprocket when looking from the
rear.
As shown in illustration No. 2
(A) Largest Sprocket
(B) Guide Pulley
(C) "L" Adjustment Bolt
Turn the "L" adjustment bolt so that the guide
pulley moves to a position directly in line
with the largest sprocket.
24
No. 1
No. 2