Bicycle Archive · Specification report

2006 Diamondback RM 12

Velopedia Archive ID 11012

Overview

Model year	2006
Brand	Diamondback
Model	RM 12
Bicycle type	Juvenile
Archive ID	11012
Colors	Gloss Blue
Sizes	12" Jr. Sidewalk

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel
Fork	Diamondback
Fork material	High-tensile steel, unicrown crown
Rear shock	N/A

Drivetrain

Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	One-piece, 28 teeth
Bottom bracket	Loose ball
Rear cogs	1-speed, 18 teeth
Chain	KMC Z410, 1/2 x 3/32"
Pedals	Platform

Brakes

Brakes	Coaster brake rear

Cockpit & contact points

Headset	1" threaded 1" threaded
Handlebar	Hi-tensile steel
Handlebar extensions	Not included
Stem	DB hi-tensile
Saddle	DB Jr padded
Seatpost	Integrated alloy

Wheels & tires

Hubs	Front: steel, Rear: steel coaster
Rims	R-1000 Alloy, 16-hole
Spokes	UCP, 14ga. (2.0mm) straight gauge
Front tire	12 x 2.125" DB knobby
Wheel size	12" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 25, 2026.