Bicycle Archive · Specification report

2001 Hoffman SD-4

Velopedia Archive ID 36193

Overview

Model year	2001
Brand	Hoffman
Model	SD-4
Bicycle type	Freestyle/jumping
Archive ID	36193
Original MSRP	$299.00
Colors	Red/Chrome
Sizes	Pro
Weight	36 lb

Frameset

Frame construction	TIG-welded
Frame material	4130 chromoly
Fork	Hoffman Bikes Prodigy Forks
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	1-piece chromoly 175mm, 44 teeth
Bottom bracket	One piece
Rear cogs	1-speed, 16 teeth
Chain	KMC 410, 1/2 x 1/8"
Pedals	Wellgo LU-313

Brakes

Brakes	Tektro 990 U-brake brakes, Dia-Compe MX-101 levers

Cockpit & contact points

Headset	1 1/8" threadless YST
Handlebar	Hoffman Bikes Prodigy Bar
Handlebar extensions	Not included
Stem	HoffmanBikes SuperStem
Saddle	Hoffman Bikes Logo
Seatpost	Hoffman Bikes Prodigy Post, 25.4mm diameter

Wheels & tires

Hubs	Keyin aluminum
Rims	Hoffman Bikes HighRoller CP, 48-hole
Spokes	Steel, 2.0mm straight gauge
Spoke nipples	Aluminum nipples
Front tire	20 x 1.95" Hoffman Bikes Skidmarks
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	476.2 mm
Head-tube angle	75°
Seat-tube angle	70°
Chainstay / rear center	360.7 mm
Wheelbase	869.9 mm
Fork offset / rake	35.6 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on October 1, 2026.