Bicycle Archive · Specification report

1998 Trek Sub-Dude

Velopedia Archive ID 77236

Overview

Model year	1998
Brand	Trek
Model	Sub-Dude
Bicycle type	BMX
Archive ID	77236
Original MSRP	$199.95
Colors	Ice Red, Team Yellow
Sizes	Expert

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel
Fork	Trek
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	1-piece steel, 44 teeth
Bottom bracket	One piece
BB shell width	American 24tpi
Rear cogs	1-speed, 16 teeth
Chain	Taya 410, 1/2 x 1/8"
Pedals	Platform, aluminum

Brakes

Brakes	front/Chang Star 879AG cantilever rear brakes, Chang Star 257A levers

Cockpit & contact points

Headset	1" steel
Handlebar	Trek
Handlebar extensions	N/A
Stem	Aluminum
Saddle	Trek
Seatpost	Trek, 25.4mm diameter

Wheels & tires

Hubs	Formula
Rims	Aluminum, 36-hole
Spokes	Steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.75" Kenda K-50 Comp III type
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	518.2 mm
Head-tube angle	73.5°
Seat-tube angle	71°
Chainstay / rear center	368.3 mm
Wheelbase	911.9 mm

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