DB Killer Type 3
Next door neighbors always telling you that you're bike is TOO LOUD ( we know right! ).
The DB-killers type 3 is the best way to "fix" that issues and keep the neighbors happy.
DB Killer Type 3 comes in 5 different sizes
Diameter Big: 35mm, 40mm, 45mm, 48mm and 60mm
Diameter Small: 25mm
Material: Calvonised steel
(please leave the size you are looking for in the comments)