Bicycle Archive · Specification report

2003 Eastern Bikes Proton Racer

Velopedia Archive ID 30262

Overview

Model year	2003
Brand	Eastern Bikes
Model	Proton Racer
Bicycle type	BMX
Archive ID	30262
Original MSRP	$239.99
Colors	Polished, Red
Sizes	Pro

Frameset

Frame construction	TIG-welded
Frame material	Aluminum
Fork	Eastern
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	1-piece steel 175mm, 43 teeth
BB shell width	American
Rear cogs	1-speed, 16 teeth
Chain	KMC Z410, 1/2 x 1/8"
Pedals	Wellgo LU-313

Brakes

Brakes	Aluminum linear-pull rear brakes, FS-328 rear levers

Cockpit & contact points

Headset	1 1/8" threadless steel threadless
Handlebar	2 piece
Handlebar extensions	N/A
Stem	Aluminum 4 bolt
Saddle	Eastern 9mm rails
Seatpost	Aluminum

Wheels & tires

Hubs	Aluminum, 10mm axle
Rims	Aluminum, 36-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 2.125" Kenda Kadet, Rear: 20 x 1.80" Kenda Kadet
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 1, 2026.