Bicycle Archive · Specification report

2003 K2 Biker

Velopedia Archive ID 38810

Overview

Model year	2003
Brand	K2
Model	Biker
Bicycle type	BMX
Archive ID	38810
Colors	Raw Steel
Sizes	Pro

Frameset

Frame construction	Brazed/welded
Frame material	Chromoly, butted
Fork	K2
Fork material	Chromoly, oversize, gusseted crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	K2 Phlattie 3-piece chromoly, 44 teeth
Bottom bracket	Three piece, sealed
Rear cogs	1-speed, 16 teeth
Chain	KMC Z510HX, 1/2 X 1/8"
Pedals	K2 Alloy, chromoly axle

Brakes

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

Cockpit & contact points

Headset	1" Cane Creek Tank
Handlebar	K2 Grab Bar OS Chromoly
Handlebar extensions	Not included
Stem	K2 alloy 4-bolt
Saddle	K2 Grab Bag, 8mm replacable rails
Seatpost	K2 chromoly, 25.4mm diameter

Wheels & tires

Hubs	K2 Ben Hur
Rims	Sun Rims Ditch Witch, 48-hole
Spokes	Stainless steel, 14ga. (2.0mm) straight gauge
Spoke nipples	Brass nipples
Front tire	Front: 20 x 2.25" Kenda Kudos, Rear: 20 x 1.85" Kenda Kudos
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 29, 2026.