Bicycle Archive · Specification report

2001 Trek TR 50

Velopedia Archive ID 36086

Overview

Model year	2001
Brand	Trek
Model	TR 50
Bicycle type	Freestyle/jumping
Archive ID	36086
Original MSRP	$629.99
Colors	Raw Earth
Sizes	Pro

Frameset

Frame construction	TIG-welded
Frame material	Chromoly
Fork	Trek Dirt
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	3-piece chromoly, 44 teeth
Rear cogs	1-speed, 16 teeth
Chain	Kmc
Pedals	Wellgo BMX

Brakes

Brakes	ProMax U-brake rear brakes, ProMax aluminum rear levers

Cockpit & contact points

Headset	1 1/8" threadless Dia-Compe Tank w/ Oryg Detangler
Handlebar	Chromoly BMX
Handlebar extensions	Not included
Stem	Trek A-head
Saddle	Trek Dirt Jumper
Seatpost	Aluminum micro-adjust

Wheels & tires

Hubs	Aluminum
Rims	Alex Super Sigma, 48-hole
Front tire	Front: 20 x 2.125" Maxxis Holy Roller, Rear: 20 x 1.95 Maxxis Holy Roller
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	533.4 mm
Head-tube angle	74°
Seat-tube angle	71°
Chainstay / rear center	374.6 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 5, 2026.