Bicycle Archive · Specification report

2003 Redline Proline Expert

Velopedia Archive ID 39397

Overview

Model year	2003
Brand	Redline
Model	Proline Expert
Bicycle type	BMX
Archive ID	39397
Original MSRP	$269.99
Colors	Grey, White
Sizes	Expert

Frameset

Frame construction	TIG-welded
Frame material	6061 T6 aluminum
Fork	Redline
Fork material	Chromoly, double butted, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Redline Light Flight 170mm, 44 teeth
Bottom bracket	Sealed cartridge
Rear cogs	1-speed, 16 teeth
Chain	KMC Z30, 1/2 x 3/32"
Pedals	Redline platform

Brakes

Brakes	ProMax linear-pull rear brakes, Promax alloy rear levers

Cockpit & contact points

Headset	1 1/8" threadless aluminum
Handlebar	Redline Flight
Handlebar extensions	Not included
Stem	Redline Flight
Saddle	Redline
Seatpost	Aluminum micro-adjust

Wheels & tires

Hubs	Redline Flight
Rims	Alex R390, 32-hole
Spokes	Stainless steel
Front tire	20 x 1.75" Tioga Comp III
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	482.6 mm
Head-tube angle	73°
Seat-tube angle	68.5°
Chainstay / rear center	406.4 mm
Wheelbase	933.4 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 3, 2026.