"The best you've ridden is the best you know."
- Paul Thede
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Styled much like motorcycles thru the 1960s and 80s these wonderful motorcycles offer traditional looks, upright seating position and relative simplicity. However their suspension struggle to meet riders handling demands and comfort expectations.  Race Tech has option fine tune the forks, G3-S Shocks for Retro models providing top of the line suspension for your classic styled motorcycle.  


Race Tech specializes in personalized suspension solutions to smooth out your ride.  Browse through an overview of Race Tech's products and services below and be sure to check out our Product Search to see what we offer for your motorcycle.

Great suspension comfort, safety and handling is just as important for the Street Rider facing the urban jungle or cross country trek as it is for the Racer!


Learn all about suspension with the Race Tech Suspension Bible 



"I'm really happy with the ride over light ripples and hard bumps. I went over that concrete runoff on top of the hill at Barber, just before the hard right museum turn with no problems with the bike getting upset. Other people swore they wouldn't go over it ever again. They must not have the kind of good suspension tuning we have worked out on their bikes..." 

- Wick Wilkinson Triumph Thruxton Rider

Read the full testimonial and more...


The first step to great handling is selecting proper spring rates. With over 500 Hi-Performance Springs to choose from, Race Tech is almost guaranteed to have the spring you need.

Through years of testing and manufacturing experience, Race Tech has developed a full line of Hi-Performance Springs using the finest materials and processes. RT Springs have the highest stiffness-to-mass ratio in the industry; making them extremely light weight for their particular rate. Our Fork Springs for Vintage Models are built to the same standards using the same materials as Modern Bike Springs!


RT Hi-Performance Fork Spring Features:

   -Extremely accurate rates
   -Several different rates are offered for every application
   -The tightest tolerances in the industry
   -Heat-treated and Shot-peened
   -Preset to eliminate sacking-out
   -Extremely lightweight
   -Made in the USA

►Find your recommended springs and spring rates.
►Race Tech Forks Spring Details...
►Long vs. Short Springs Explained
►RT FORK SPRING LIST with dimensions, rate and travel







Race Tech's award winning Gold Valve Emulator Kits for Forks provide a personalized setup and adjustability. Gold Valves Emulators improve fork oil flow dramatically reducing harshness while actually increasing bottoming resistance (as shown with data acquisition). These Kits can often be installed by individuals interested in understanding and tuning their own suspension or they can be installed by a local Race Tech Center, Dealer or of course the Race Tech's Service Department. Gold Valve Kits include Installation Instructions, Tuning Guides and alternate parts to allow a custom setup and adjust ability for rider preference and type of riding.

 Watch Paul Thede's video that explains how Gold Valve Cartridge Emulators work! Click on the Picture or here to view: ► Gold Valve Emulator Video

 Benefits of Gold Valve Emulators:

   -Increased tune-ability
   -Dual stage tune-ability
   -Personalized setup
   -Reduced harshness
   -Increased bottoming resistance
   -Improved traction
   -Consistent feel
   -Technical support
   -100% Guaranteed
   -Made in the USA

Gold Valve Emulator Resources:

   ►Damping Rod Gallery
   ►Race Tech Gold Valve Cartridge Emulators Details
   ►How damping rod forks and Emulators work. From the book "Race Tech's Motorcycle Suspension Bible"
   ►Cartridge Emulator Fitment Guide
   ►Cartridge Emulator Tuning Guide
   ►Cartridge Emulator Sizing and Application Chart 
   ►Cartridge Emulator Parts list - Excel format
   Gold Valve Emulator Setup & Tuning Instructions






Race Tech's G3-S Custom Series Twin Shocks  are custom built to order with your choice of features and length. These shocks have been praised by both street riders and AHRMA Road Racers alike in all types of conditions all over the world. Engineered to be ultra-durable and tested on the track to shave seconds off your lap times or provide comfort and confidence on the street; these shocks are state-of-the-art.

Race Tech G3-S Shocks are superior to others on the market in that each and every set is custom built to order at Race Tech based on rider, motorcycle specs and type use along with your choice of features, length and colors and they are made in the USA!  


G3-S Custom Series Features:






We are now offering Race Tech complete replacement G6 Custom Forks for use on any Custom Motorcycle such as Cafe Racer, Street Tracker, Bobber, etc. All Custom Forks are built to order. They are fully adjustable and come with highly acclaimed 25mm Compression and Rebound Gold Valves and Hi-Performance Lightweight Springs selected for the individual rider's size, type of riding, and ability. There are also choices of tube and cap colors. 

 G6 Forks Standard Features - 

  ♦ Made to order!
  ♦ 25mm Fork Compression and HFR Rebound Gold Valves
  ♦ Custom Valving and Springs
  ♦ Ultra Slick Fluid
  ♦ RT Hi-Performance Lightweight Springs
  ♦ Inner Fork Tube Color Options
  ♦ Fork Cap Color Choices
  ♦ Black Outer Tubes and Fork Bottoms
  ♦ Aircraft Grade Billet Aluminum
  ♦ External Compression and Rebound Adjusters
  ♦ External Preload Adjusters
  ♦ Made in the USA
  ♦ Performance Guaranteed!

► More G6 Forks Details...



TNK manufacturers OEM quality replacement fork tubes for Street, Road Race, Sport, Sport Touring, Touring and Vintage motorcycles. They are made from the highest quality materials and generally significantly less expensive than original equipment. These are direct OEM replacements offered only in stock lenght and hard chrome color. Don't overlook replacing bent tubes or tubes with worn chrome, pitting, or rust. Race Tech has most TNK tubes in stock, ready to ship!  

TNK Replacement Tubes are a great option to expensive OEM tubes and for those models for  which the OEM has discontinued the tubes!

Please note colored fork tubes from TNK are only offered for select late model USD forks & not conventional fork applications.

►Click here for more info!


   -   Highest Quality!
   -   Standard Hard-Chrome
   -   Exact OEM Specs Match
   -   Vintage applications (back to 1955)
   -   Made in Italy

►Search for Replacement TNK Fork Tubes

►Video Presentation about TNK Fork Tubes

 TNK Tech Support please Email Matthew Wiley Matt can also be reached at 951-279-6655 ext# 108 during regular business hours PST Monday - Friday.




Building a high quality engine requires a combination of state-of-the-art equipment and experienced, knowledgeable technicians.  Race Tech provides quality, precision engine services using the best equipment and processes in the industry. The staff at Race Tech has over 65 years of championship-winning engine building and tuning experience formally educated by the world's most renowned engineers.  

More Info about Race Tech Engine Services 



Most H-D Models use basic Damping Rod type forks with soft springs and harsh damping action that respond dramatically to Gold Valve Cartridge Emulators. Race Tech FLEK-S Fork Kits for H-D models include Fork Spring and Gold Valve and option for Lowering. G3-S Custom Shocks are available in lengths from 11" up with choice of features. 

 More info about H-D products from Race Tech


 Honda CB1100 has the classic style of late 70's early 80's. It also has suspension not much different from that time period! Improve handling and comfort with Fork Spring and Gold Valve options up front. Along with G3-S Custom Shocks the CB1100 handles like a dream! 

CB1100 Product Details  





The Continental GT is truly a modern Cafe Racer offering the look and feel of a classic 60's - 70's Brit Bike at the Ace Cafe. It's Damping Rod Fork is harsh, over-diving and begs for the Race Tech Fix wtih Fork Spring and Gold Valve options. Although sexy the Piggyback Reservoir Shocks fail to deliver the promised performance. Replace them with G3-S Custom Shocks to make your Conti GT handle better than a Manx Racer ever could.

Continental GT Product Details  







Inspired by the Factory Superbikes of the 80's the Kawasaki ZRX1100 & 1200 offer modern adjustable suspension hampered by generic setup. Customize your ZRX with proper Forks & Shock spring rates as well as Gold Valve Fork & Shock upgrades.  G3-S Custom ShocksFully Adjustable Shocks as well as Fully Adjustable G2-R  25mm Fork Cartridges are also available for the ultimate package.





Moto-Guzzi V7 and the California  Models are equipped with very basic suspension that holds back the bike's potential and inhibits rider comfort. The V7 Cafe does have sexy reservoir shocks that fail to perform as good as they look. Fork Spring and Gold Valve options, Performance Springs solve the forks shortcomings, G3-S Custom Shocks with choice of features completes the package making the V7 Goose fly. 


Triumph offers complete line of Retro Classic Models with the Bonneville, Thruxton and Scrambler. Race Tech offers Fork Upgrade with Fork Spring and Gold Valve options for all of these as well as G3-S Custom Shocks. No matter if your goal is comfort, handling or both Race Tech has your solution for your Triumph. with.

Read owner testimonial of Race Tech Suspension on Triumph Scrambler 





The SR400 is a true Japanese Classic. Little changed from the original SR500 of 1978-81 this new model is truly a modern vintage motorcycle. Make it handle and ride better with Fork Spring and Gold Valve upgrades along with G3-S Custom Shocks 







Modern Retro Style Motorcycles such as Moto-Guzzi V7, Triumph's Bonneville, Scrambler, Truxton models Honda CB1100F and others suffer from mediocre stock suspension.  Race Tech has Fork Spring and Gold Valve options for you! Fork setup is custom based on your build, G3-S Custom Shocks are built to your bike's specs with your choice of features and colors. Make sure your Retro handle like a Modern Bike!



Analog Motorcycles Enfield Scrambler with Race Tech G3-S Shocks


Flat Track styling for the street is just cool! No matter if your build starts with Harley Sportster, Yamaha XS650 or a Triumph Bonneville or whatever your platform may be. If you are using the original forks or late model forks Race Tech has Fork Spring and Gold Valve options for you! Fork setup is custom based on your build, G3-S Custom Shocks are built to your bike's specs with your choice of features and colors. Make sure your Tracker handles as good as it looks!

Looking for Fully Adjustable Inverted Forks for your Street Tracker Build? Check out Race Tech's G6 Custom Forks!




Analog Motorcycles Triumph with Race Tech G3-S Shocks



Custom Classic Builds have become very popular. The only limits are the owners imagination and budget! Why use 'off the shelf' generic suspension? Custom Builds work best with Custom Suspension. Race Tech has Fork Upgrade and G3-S Shock solutions for any build, any budget. 

Custom Builds Demand Custom Built Shocks! Check Out Race Tech G3-S Shocks

 Looking for Fully Adjustable Inverted Forks for your Cafe Build? Check out Race Tech's G6 Custom Forks! 





Motorcycle Classics Mag Laverda RGS1000



 Check out these links to Race Tech Magazine Project Bikes and Product Evaluations!






"The Barber Vintage Festival is the best event in the USA, Thank you Race Tech for Supporting Motorcycle Classics Mag'

Richard Backus, Editor & Chief  MC Classics Mag


Race Tech Rider Support at the Road Race Paddock 14th annual Barber Vintage Motorcycle Festival October 9-11th, 2020


 Matt Wiley aka 'Vintage Guy' will be at the 2020  Barber Vintage Festival for Rider Support. Email Matthew Wiley to schedule  Barber Track Service.

AHRMA Racers are encouraged to contact Matthew with needs for Barber ahead of time.

Racers are Welcomed to bring Motorcycles to Race Tech Track Support Tent for Service Thursday - Sunday 

Festival Attendees are Welcomed to visit Race Tech Track Support Tent  at the Road Race Paddock for Q&A 


Matthew diaing TZ350 at Barber Vintage Festival 

"Thank you Race Tech! With your full fork setup and help from Matt getting it dialed and servicing my shocks on my AHRMA Race Bike it now tracks perfectly and soaks up the bumps. Your AHRMA Rider Support is great!"

Brian Filo, NorCal

Race Tech is proud to Support AHRMA Racing offering on site Rider Support at selected AHRMA Races.        


Race Tech also proudly supports the VJMC, WVM, AMA as well as other vintage Motorcycle Organizations.

We are also pleased to support vocational education with organizations such as BUILD and PowerSport Institute 

If your bike is not listed in our Product Search, you have questions about applications or setup please email Matthew Wiley for Vintage Tech Support/R&D. 

Matt can also be reached at 951-279-6655 ext 108 during regular business hours PST Monday - Friday.

Thank you AHRMA Trustees for all your help, Racers for your interest, and support! 


Race Tech supports Street riding Enthusiasts as well as Racers.




 Need Tech Support or have questions?  Please contact Matthew at 951.279.6655 x122

Email Matthew Wiley Tech Support/R&D


Many people think suspension setup is a mysterious black art. It's not!

Need Tech Support or have questions?  Please contact Matthew at 951.279.6655 x122 Email Matt Wiley for  Tech Support

At Race Tech you have choices:

  1. Purchase our Gold Valve Kits, High Performance Springs, and Ultra Slick Suspension Fluids and install them yourself. (If you get stuck call your Tech Support 951.279.6655.) Hey, if you're really into it, check out our Suspension Seminars.
  2. Send your shock and forks to Race Tech.
  3. Have your local Race Tech Center install them.
  4. Race Tech is track side at many AHRMA events to install or fine tune suspension for all riders!

If your bike is not listed in our Product Search, you have questions about applications setup or vintage tech support?:

Email Matthew Wiley for Vintage Tech Support/R&D. 

Matt can also be reached at 951-279-6655 ext 122 during regular business hours PST Monday - Friday.

Resource Links:

►Customer Service Request Form
►Fork Emulator Fitting Requirements Data Sheet
►Cartridge Emulator Parts list - Excel format
►Cartridge Emulator Tuning Guide
►Fork Specs Data Sheet - Damping Rods
►Custom Shock Geometry Form
►Shock Spring Fitment 
►RT DUAL SHOCK SPRING LIST with dimensions, rate and travel
►RT FORK SPRING LIST with dimensions, rate and travel

RACE TECH POLICIES: At Race Tech our customers' satisfaction is vital. We put it in writing.  ►Read More!


 Need Tech Support or have questions?  Please contact Matthew at 951.279.6655 ext 122

Email Matthew Wiley Tech Support/R&D


 Need Tech Support or have questions?  Please contact Matthew at 951.279.6655 ext 122  M-F 8-5 PST

email Matthew Wiley  Tech Support/R&D