Installing Gasbox Bolt-On Sissy Bar
The Gasbox Chopper Bolt On Sissy Bar for 2004 & Up Sportsters is an easy bolt-on accessory that upgrades not only the style but function of your custom Sportster. Also comes in a taller version. This bolt-on kit allows you to mount a custom sissy bar to your stock swingarm Harley-Davidson motorcycle with no fabrication or welding experience.
This install takes less than 10 minutes and you are back on the road with no more worrying about how to secure your gear or give your passenger something to lean against! If you'd like to find any information about sissy bars, see our blog post What Is A Sisssy Bar.
Tools needed for the Job
- A Flat head screwdriver
- 3/8 drive ratchet
- T40 Torx bit
- 3/16 allen socket
- 1/2 inch wrench
Step by step installation
Step 1. Remove turn signal lenses with flat head screwdriver. This allows clearance for your torx bit to be used.
- Note: there is a small opening to fit your flat head screwdriver to pry from casing. - How to install Gasbox Sissy Bar on a Sportster.
Step 2. Remove the 4 torx head screws with a T-40 torx bit. Most newer models use a bracket for the back two screws and a nut for the front to screws.
- Todd Removing all 4 strut bolts.
Step 3. Line up the 4 mounting holes on the Gasbox sissy bar with the holes on the strut covers and put your bolts into the holes.
- Todd going front to back aligning the holes.
Step 4. Tightly fasten the new 5/16 allen screws provided with the sissybar and re-use the rear threaded brackets. (Note: We recommend to use a some blue Locktite on your screws).
- Todd fastening all 4 strut screws.
Step 5. Be sure to put your turn signal lens caps back on and go for a ride!
- Todd pushing back on the turn signal lenses by hand.
- "And that's all there is to it" - Todd.
The Final Result
- The Before
- The After
For more help with this install, Here is a step by step video on how to install The Gasbox "Chopper" Bolt On Sissy Bar with the man who created it, Jesse Basset.
Installing A Gasbox Tall Chopper Bolt-On Sissy Bar
Gasbox now has 2 styles of their amazing bolt on chopper sissy bars for 2004-up Harley-Davidson Sportsters. The O.G. Sportster Gasbox Bolt On Chopper Sissy Bar that measures in at 20" from base to the top and a Gasbox Tall Bolt on Chopper Sissy bar Tall which measures in at 24 1/4". In this short tutorial you can see how easy it is to install one on your bike.
Step 1: Remove the lens
- If you are still running stock turn signals and/or keeping them remove the lens. The lens that covers the bulb will be in the way of the rear strut bolts.
- Remove the lens gently by putting a flathead screw driver in the small slit of the lens and turn signal body.
- Rotate the screw driver and the lens will pop off and give you clear access to the rear bolt of the strut.
Step 2: Remove the stock bolts from the struts
- Using a T40 torx bit, remove the stock bolts from the struts.
- The front two struts you will find a flange lock nut that secures the bolt, you can fish a 1/2 inch wrench on the inside of the fender to help loosen the bolts.
- On the rear bolts you will find two funky tabs that lock into the inside of the fender that secure the bolts.
- Please do not discard these nuts and funky tabs because you will be reusing them with the supplied bolts from the kit on install.
Step 3: Line the up the bolt holes front and rear
By spreading the bottom plates of the motorcycle sissy bar over the struts, line the up the bolt holes front and rear.
Step 4: Install the supplied bolts into the four holes
- Install the supplied bolts into the four holes. Using the longer ones in the front two holes and the shorter ones in the rear.
- Reuse the flange nuts with a 1/2" wrench on the front bolts and reuse the funky tabs on the rear bolts.
- We highly suggest using some blue Loctite on these bolts when installing.
Step 5: Pop your lens caps back on to you turn signal housings
The New Sisssy Bar Installed - Ready to go for a ride!
For more help with this install, Here is a step by step video on how to install a sissy bar on Harley Sportster 2004 & up - Gasbox Tall Chopper Bolt On Sissy Bar with the man who created it, Todd.