Build: Pro SX MX Tech

Video: Mason Rader

Photos: Andrew Fredrickson

Our base platform for this build was a 2003 Suzuki RM125 two-stroke that we essentially resurrected from the grave. It was a Craigslist find, and our bike builder, Scott Adkins of Pro SX MX Tech, was pretty upset when I brought the bike in for him to check out. (“That thing’s junk, take it back!” were the first words he uttered.) After some convincing, he finally decided to take it on. That was May of 2018. During the course of an entire year, Scott and his student Matt Goodbred slowly worked on tearing the bike apart, determining what was usable, and getting a parts list ready for the build. We used all of what's listed below, plus an incredibly long list of OEM parts. 

Note: this project bike is not affiliated with Travis Pastrana or his sponsors. It was built for Racer X Illustrated and we are more than grateful that Pastrana agreed to ride it for our video. Thanks, Travis!

Parts Used:

Pro SX MX Tech

Bike Build, Cerakote Coatings, Powder Coatings
prosxmxtech.com

ProGearz

Transmission Finishing
progearz.com

SGB Racing

Stage III Anodized Upper Forks, Titanium Nitride Lower Forks, Hard Coated Lugs, Stage III Anodized Shock Body, Titanium Nitride Shock Shaft
sgb-racing.com

Tag Metals

T1 Handlebars, Half-Waffle Slim Grips, Grip Accessory Kit
tagmetalsracing.com

Pirelli

MX 32 Mid-Hard, Front 80/100-21, Rear 110/90-19
pirelli.com

Ride Engineering

22mm Clamp Set, Rubber Mounted with One-Piece Oversized Bar Mount and Poly Cones, Direct Route Front Brake Line with Mounting Bracket, Perch Mounted Kill Button, Billet Front Brake Caliper
ride-engineering.com

Polisport

Suzuki RM Restyle Kit
polisport.com

DeCal Works

Full Custom Graphics Kit
decalmx.com

Arc Levers

Clutch Perch Assembly, Clutch Lever, Brake Lever
arclevers.com

EBC Brakes

Brake Pads, Brake Rotors
ebcbrakes.com

Twin Air

Air Filter
twinair.com

Motion Pro

Throttle Tube, Throttle Cable
motionpro.com 

Bolt Motorcycle Hardware

Suzuki RM Pro Bolt Kit
boltmotorcyclehardware.com

Fastway

Evolution Air Footpegs, Fit Kit, Replacement Springs
promotobillet.com 

CV4

Carb Vent Hoses, Radiator Hoses, Radiator Cap
cycra.com

Wrench Rabbit

Full Top and Bottom End Rebuild Kit
wrenchrabbit.com

Pivot Works

Bearing Kits for Wheels, Linkage, Swingarm, Lower and Upper Shock, Steering Stem
pivotworks.com 

All Balls

Master Cylinder and Brake Caliper Rebuild Kits for Front and Rear, Chain Rollers Upper and Lower, Steering Bearing Kit, Carb Rebuild Kit, Clutch Cable
allballsracing.com

Fuel Star

Petcock
fuel-star.com 

Boyesen

Rad Valve, Rad Valve Replacement Gaskets, Power Wing, Black Ignition Cover, Ignition Gaskets, Clutch Cover
boyesen.com

Fasst Company

Brake Clevis and Spring Kit with Custom Racer X Shield
fasstco.com

Hinson

Clutch Basket, Plates, Springs
hinsonracing.com

D.I.D

520DZ2 Chain, DirtStar STX Rims
didchain.com

JT Sprockets

12 Tooth Front, 49 Tooth Rear
jtsprockets.com

ICW

Radiator Refurbish and Bracing
icwradiators.com 

Psychic MX

Spoke Kit
psychicmx.com 

TM Designworks

Slide N Guide Kit
tmdesignworks.com

Scalvini

Works Exhaust Pipe, Carbon Silencer
motomandistributing.com 

Race Tech

Gold Valves Re-valve and Setup
racetech.com

Tusk Off-Road

Axel Blocks, Rear Brake Line
tuskoffroad.com

ETS Racing Fuels

Racing Fuel Extrablaze 100
 etsracingfuels.com

Matrix Concepts

A2 Aluminum Stand
matrixracingproducts.com