Bicycle Archive · Specification report

1998 Diamondback Photon (01)

Velopedia Archive ID 74534

Overview

Model year	1998
Brand	Diamondback
Model	Photon (01)
Bicycle type	Juvenile
Archive ID	74534
Original MSRP	$140.00
Colors	Chrome-plated
Sizes	Boys

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel
Fork	Diamondback
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 4 1/2", 36 teeth
Bottom bracket	YST BB 621
BB shell width	N/A
Rear cogs	1-speed
Chain	Taya 410, 1/2 x 1/8"
Pedals	Resin

Brakes

Brakes	Lee Chi LC-890 coaster brake

Cockpit & contact points

Headset	1" YST steel
Handlebar	Hi-tensile steel
Handlebar extensions	N/A
Stem	Meng Jing MJ-MF310
Saddle	Diamondback padded
Seatpost	Pillar, steel, 22.2mm (7/8 inch) diameter

Wheels & tires

Hubs	Kung Ten steel, nutted
Rims	Steel, 36-hole
Spokes	Shuhn Lih steel, 2.0mm straight gauge
Spoke nipples	Brass nipples
Front tire	20 x 1.75" Cheng Shin Comp III type
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	462.3 mm
Head-tube angle	72°
Seat-tube angle	72°
Chainstay / rear center	360.7 mm
Wheelbase	871.2 mm
Fork offset / rake	30.5 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 28, 2026.