Surly

Big Dummy Mushroom Nut 4 Pack

Parts and Accessories to help you maximize cargo capacity on the Big Dummy or Big Fat Dummy. Purchase the complete kit, or individual parts as necessary.

• Made from durable stainless steel
• The Mushroom Nuts thread into your Dummy frame (both the Big and the Big Fat kinds) and tension your Dummy Bags, securing your various goods and things.