Bicycle Archive · Specification report

2003 Nirve Thrust 20 CB

Velopedia Archive ID 30713

Overview

Model year	2003
Brand	Nirve
Model	Thrust 20 CB
Bicycle type	Juvenile
Archive ID	30713
Original MSRP	$99.99

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel
Fork	Nirve
Fork material	Hi-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Steel one-piece, 43 teeth
Bottom bracket	Loose ball
BB shell width	68mm American
Rear cogs	1-speed
Chain	KMC Z-410, 1/2 x 1/8"
Pedals	Nylon platform

Brakes

Brakes	Tektro aluminum caliper rear brakes, Tektro 317A short reach rear levers

Cockpit & contact points

Headset	1" threaded steel, threaded
Handlebar	Hi-tensile steel
Handlebar extensions	N/A
Stem	Aluminum
Saddle	Nirve Padded
Seatpost	Pillar, steel, 25.4mm diameter

Wheels & tires

Hubs	Front: steel, nutted, Rear: Shimano Coaster Brake
Rims	Alex X-303, 28-hole
Spokes	UCP, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 2.125" Voxom Factor 9, Rear: 20 x 1.75" Voxom Factor 9
Wheel size	20" wheels

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