New products

2014-Current Road Glide? Thrashin Supply has the best gauge relocation setup for you. We started out by merging two of the highest quality materia...

  Big Bore Kit: 114" to 128" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pis...

Big Bore Kit: 114" to 128" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pist...

Big Bore Kit: 114" to 128" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pist...

Big Bore Kit: 114" to 128" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pist...

Big Bore Kit: 107" to 124" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pist...

Big Bore Kit: 107" to 124" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pist...

Big Bore Kit: 107" to 124" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pis...

  Big Bore Kit: 107" to 124" Big Bore Kit Winkle Black Finish with Fin Highlighting Bolt-on kit. No case machining required 4.250" bore Forged Pis...

This piece is ONLY required if you would like to run your Gauge Relocation on the front of your OG Risers. It is an extension that you add to the m...

Made specifically to fit Thrashin Supply OG Risers.  Increase your Thrashin Riser Length by 1/2" or 1" with these spacers. 6061 Aluminum Made i...

  Be proud of what you put on your bike. At Thrashin Supply Co. they've striven to build the best parts, without cutting corners, right here...

The days of the hard FXR Gangster Lean are done… Time to get rid of that shitty OEM Kick Stand and KISS Boot Combo and get your FXR sitting pretty ...

  Be proud of what you put on your bike. At Thrashin Supply Co. they've striven to build the best parts, without cutting corners, right here...

Billet 6061 Aluminum  Hard black anodize Risers are drilled with 1/2 hole for internal wiring Works with standard 1" handlebar Sold in pairs wi...

Features: Full range of quick adjustability smooth 2 finger lever design for improved comfort Easier pullover OEM by (30%) average Built-in mirror...

NAMZ “Plug-n-Play” Rear Fender Harness, 8-Position Multilock to 6-position Multilock, 100% plug-n-play. Simple to install, 100% plug and play! Can...

NAMZ “Plug-n-Play” Rear Fender Harness, fits: (Road Glide, Street Glide 2010-2013) 6-Position Molex with 12-position fender fascia connector includ...

NAMZ “Plug-n-Play” Rear Fender Harness, fits: (Road King, Road Glide, Street Glide & Electra Glide 2014 to Current) 6-Position Molex with 12-po...

Close those gaps with Geezer Engineering's carbon fiber side filler panels to your rear fender! Designed to work with Geezer Engineering's 2008 and...

This kit contains a set of 49 mm Fork-Tubes for 2014 & later Touring Models (either stock length or 2"+) and a complete Fork-Rebuild Kit. Featu...

Geezer Engineering Fork-Sliders are designed & assembled in the USA. They powder coat Fork-Sliders domestically to ensure the highest possible...

Clean up your bike’s front end and add extra braking power at the same time. Extremely strong wheels made in our custom drop forge mold and CNC ma...

Features: Superior quality, complete, and compatible with your touring Harley! Our kit allows you to upgrade Harley-Davidson touring models (2013...