Bicycle Archive · Specification report

1997 Trek Sub-Atomic (01)

Velopedia Archive ID 69605

Overview

Model year	1997
Brand	Trek
Model	Sub-Atomic (01)
Bicycle type	BMX
Archive ID	69605
Original MSRP	$389.99
Colors	Ball burnished
Sizes	Boys
Weight	24 lb

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum, oversize
Fork	Trek
Fork material	Chromoly/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	1-piece steel, 44 teeth
Bottom bracket	One piece, sealed
BB shell width	American 24tpi
Rear cogs	1-speed, 16 teeth
Chain	KMC 410A, 1/2 x 1/8"
Pedals	Wellgo LU-313

Brakes

Brakes	Tektro 867A rear brakes, Tektro RBP-286A levers

Cockpit & contact points

Headset	1 1/8" threadless Dia-Compe Aheadset SE-1
Handlebar	Steel
Handlebar extensions	N/A
Stem	Aluminum
Saddle	Trek
Seatpost	Steel micro-adjust, 26.8 mm diameter

Wheels & tires

Hubs	Aluminum nutted
Rims	Alex 7X, 36-hole
Spokes	Steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 2.125" Comp III style, Rear: 20 x 1.75" Comp III style
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	501 mm
Head-tube angle	73.5°
Seat-tube angle	71°
Chainstay / rear center	382 mm
Wheelbase	915 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 25, 2026.