Bicycle Archive · Specification report

2001 Sun Bicycles BMX 20

Velopedia Archive ID 35927

Overview

Model year	2001
Brand	Sun Bicycles
Model	BMX 20
Bicycle type	BMX
Archive ID	35927
Colors	Chrome-Plated
Sizes	Boys 11"

Frameset

Frame construction	Welded
Frame material	Hi-tensile steel
Fork	Sun Bicycles Fat Fork
Fork material	Hi-tensile steel, oversize, 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 6 1/2", 44 teeth
Bottom bracket	One piece
BB shell width	American
Rear cogs	1-speed
Chain	1/2 x 1/8"
Pedals	Resin

Brakes

Brakes	Coaster rear

Cockpit & contact points

Headset	Steel
Handlebar	Steel BMX
Handlebar extensions	N/A
Stem	Steel
Seatpost	Steel, 25.4mm diameter

Wheels & tires

Hubs	Front: steel, nutted, Rear: coaster brake
Rims	Steel
Spokes	UCP UCP, 1.8mm straight gauge
Front tire	20 x 1.75" MX-111
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 27, 2026.