Big Dummy and Big Fat Dummy Frame Insert Instructions
Hi there. Thanks for spending your hard-earned cash on this Surly product. Surly stuff is designed to be useful and durable.
We’re confident it will serve you well for years to come.
WARNING: Cycling can be dangerous. Bicycle products should be installed and serviced by a professional mechanic.
Never modify your bicycle or accessories. Read and follow all product instructions and warnings including informationon the manufacturer’s website. Inspect your bicycle before every ride. Always wear a helmet.
For additional safety information about all Surly products visit: surlybikes.com/safety

Big Dummy and Big Fat Dummy Insert Compatibility and Intended Use
This frame insert is intended to only be used with Surly Big Dummy and Big Fat Dummy frames.

Parts Included• Surly Big Dummy and Big Fat Dummy Frame Insert

Tools Required• 6mm Hex Key• Rubber Mallet

Installation
1. Insert the left and right plugs into the exposed ends of your Big
Dummy’s horizontal tubes (see Figure 1 for orientation of plugs).
2. Feed the threaded rod through non-threaded plug.
3. Using 6mm Hex Key, tighten threaded rod to 5 – 8Nm.

Rear Bridge Tube Assembly

Figure 1

Instructions for Tube Repair
1. Insert tapered end of plug into exposed end of tube.
2. Gently tap with a mallet to cold set the tube back to its original round shape.
WARNING: Consult a professional bike mechanic before attempting any tube repairs, incorrectly repairing
a tube can lead to weakening of frame.

5307 10/16 † 85-000599_INSTLimited WarrantyThis Surly product is warranted against defects in materials and workmanship for one year from the date of retail purchase of the product,
subject to the limitations detailed below. Save your dated receipt for proof of purchase.
This warranty does NOT cover the following:•Damage due to improper assembly or follow-up maintenance or lack of skill, competence or experience of the user or assembler•

 roducts that have been modified, neglected, used in competition or for commercial purposes, misused or abused, involved in accidentsPor anything other than normal use•

Installation of components, parts or accessories not originally intended for or compatible with Surly product as sold•

Damage or deterioration to the paint, surface finish, aesthetics or appearance of the product•

Normal wear and tear•

Labor required to remove and/or refit and re-adjust the product within the bicycle assemblyThis limited warranty is expressly limited to the repair or replacement of a defective product, at the option of Surly, and is the sole remedyof the warranty. This limited warranty applies only to the original purchaser of the Surly product and is not transferable. This warranty applies
only to products purchased through an authorized dealer or distributor. In no event shall Surly be liable for any loss, inconvenience or damage,whether direct, incidental, consequential, or otherwise resulting from breach of any express or implied warranty or condition, of merchantability,
fitness for a particular purpose, or otherwise with respect to our products except as set forth herein.
This limited warranty gives the consumer specific legal rights, and those rights and other rights may vary from place to place. This limited
warranty does not affect your statutory rights.
TO THE EXTENT NOT PROHIBITED BY LAW, THESE WARRANTIES ARE EXCLUSIVE AND THERE ARE NO OTHER EXPRESS OR IMPLIEDWARRANTIES OR CONDITIONS INCLUDING WARRANTIES OR CONDITIONS OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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Surly6400 West 105th Street
Bloomington, MN 55438
The Watts Line: 877.743.3191
The Email: derby@surlybikes.com
The Web Address: surlybikes.com

5307 10/16 † 85-000599_INST