Bicycle Archive · Specification report

2003 Redline Proline Junior

Velopedia Archive ID 39393

Overview

Model year	2003
Brand	Redline
Model	Proline Junior
Bicycle type	BMX
Archive ID	39393
Original MSRP	$299.99
Colors	Black, Red
Sizes	Junior

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 165mm, 42 teeth
Bottom bracket	Sealed cartridge
BB shell width	68mm English
Rear cogs	1-speed, 16 teeth
Chain	KMC Z30, 1/2 x 3/32"
Pedals	Wellgo aluminum

Brakes

Brakes	ProMax mini-V rear brakes, Promax alloy rear levers

Cockpit & contact points

Headset	1" threadless aluminum
Handlebar	Redline alloy rise w/ crossbar
Handlebar extensions	Not included
Stem	Redline Mini Flight
Saddle	Redline mini
Seatpost	Aluminum

Wheels & tires

Hubs	Redline alloy
Rims	Alex R390, 28-hole/32-hole
Spokes	Stainless steel
Spoke nipples	Brass nipples
Front tire	20 x 1 3/8" Tioga Comp III
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	482.6 mm
Head-tube angle	73°
Seat-tube angle	69°
Chainstay / rear center	381 mm
Wheelbase	908 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 4, 2026.