This is the main riff.
E|-----------------------------|
B|-----------------------------|
G|-----------------------------|
D|-0--2-0-2-4-0--0-2-0-2-4-4-4-|
A|-0--0-0-0-0-0--0-0-0-0-0-0-0-|
E|-----------------------------|
PM:*************************

This part is played after the main riff, its the bend part.
E|----------------------------|
B|----------------------------|
G|----------------------------|
D|-4-4-4-2---0-2----2-2-2b-0--|
A|----------------------------|
E|----------------------------|

This is another part of the main riff played after the bend part;
E|-----------------------------|
B|-----------------------------|
G|-----------------------------|
D|5--7-5-7-9--5--5-7-5-7-9-9-9-|
A|-----------------------------|
E|-----------------------------|