Bicycle Archive · Specification report

2001 Hoffman Pro Dirty 1 Thirty

Velopedia Archive ID 90663

Overview

Model year	2001
Brand	Hoffman
Model	Pro Dirty 1 Thirty
Bicycle type	Freestyle/jumping
Archive ID	90663
Original MSRP	$689.99
Colors	Black, Dark Blue, Red
Sizes	Pro
Weight	36.5 lb

Frameset

Frame construction	TIG-welded
Frame material	4130 chromoly
Fork	HoffmanBikes Dirty1Thirty Superfork
Fork material	4130 chromoly
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	Primo Powerbite 3-piece, 44 teeth
Rear cogs	1-speed, 16 teeth
Chain	KMC 410, 1/2 x 1/8"
Pedals	Wellgo LU-313

Brakes

Brakes	DiaTech 996 U-Brake rear brakes, Dia-Compe Tech 99 rear levers

Cockpit & contact points

Headset	1 1/8" threadless Dia-Compe Tank
Handlebar	Hoffman Bikes Jumping Bar
Handlebar extensions	N/A
Stem	Hoffman Bikes Fist
Saddle	Hoffman Bikes Flame Seat
Seatpost	Chromoly micro-adjust, 25.4mm diameter

Wheels & tires

Hubs	HoffmanBikes Highroller
Rims	HoffmanBikes HighRoller Rim Cp, 48-hole
Spokes	Stainless steel, 2.0mm straight gauge
Spoke nipples	Aluminum nipples
Front tire	20 x 1.95" Primo knobby
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 2, 2026.