Superbike Underground

Superbike Underground Specializing in the development of sport motorcycles for trackday participation and roadracing competition. Rider data and chassis analysis. Tire services.

On site engine development and advanced dyno tuning.

Big thanks to CW Moto for their huge contribution to our Daytona 200 program. Grateful for their talent, support and fri...
03/11/2025

Big thanks to CW Moto for their huge contribution to our Daytona 200 program. Grateful for their talent, support and friendship.

12/03/2024
12/03/2024

The 2024 City of Jerez FIM Intercontinental Games concluded on Sunday at Circuito de Jerez-Ángel Nieto with a total of four final events consisting of two 14-lap Supersport 300 races and two 16-lap Supersport races (Supersport race two was shortened to 10 laps due to rain). The North America Contin...

08/01/2024

August 2-3 is Sold Out! Vendors for the day: - please dm him to reserve tires 🏍️ ahead of time will be trackside to help riders stay on track and will be our 📸 for both days. Please note we offer free overnight security and the gates will be open Thursday evening at 7pm - park only in assigned areas or you may be asked to move after you’ve set up. Looking forward to seeing you at the track 🏁

05/16/2024
11/19/2023

We are excited to announce will be shooting all our days!📸 We value our clients and to show our appreciation for your continued patronage, have secured Ryan to provide photos to all our riders at no cost. 👀 Yes you are reading this correctly, you’ll get your photos from those days just for coming out and riding with us! Ryan is the premier photographer in the PNW and those who have seen his work know. So if you haven’t secured your spot, do it immediately! https://motovixens.com/product-category/track-events/

Lots of photos taken after securing the WMRRA and OMRRA overall  #1 plates for 2023 but this one is pretty special. 51 y...
09/18/2023

Lots of photos taken after securing the WMRRA and OMRRA overall #1 plates for 2023 but this one is pretty special. 51 years between OMRRA championships for David Kohlstaedt (2023) and Eugene Brown (1972).

09/18/2023

2) #1 plates for on tires.

Won the #1 plate and the .pdx #1 plate by 1 point in the final race.

Congratulations to .beck.sbkundg for an awesome season!

Congratulations to SBKUNDG racer David Kohlstaedt on the Pacific Raceways WMRRA track record!
09/04/2023

Congratulations to SBKUNDG racer David Kohlstaedt on the Pacific Raceways WMRRA track record!

I spy with our little eye... Another new Pacific Raceways WMRRA track record!

David Kohlstaedt Racing - Putting down a 1.21.799 in today's Formula Ultra race.



Shout Out to our Season Sponsors making the 2023 WMRRA Special! CW Moto and Law Tigers Washington - Motorcycle Attorneys

Address

Auburn, WA

Opening Hours

Tuesday 11am - 6pm
Wednesday 11am - 6pm
Thursday 11am - 6pm
Friday 11am - 6pm
Saturday 11am - 6pm

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