Bicycle Archive · Specification report

2008 Diamondback RM 12

Velopedia Archive ID 24106

Overview

Model year	2008
Brand	Diamondback
Model	RM 12
Bicycle type	Juvenile
Archive ID	24106
Original MSRP	$105.00
Colors	Super Green
Sizes	12" wheel

Frameset

Frame construction	TIG-welded
Frame material	Hi-tensile steel
Fork	Hi-Ten Remington
Fork material	Steel, unicrown crown
Rear shock	N/A

Drivetrain

Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	1-Piece, 28 teeth
Bottom bracket	Loose ball
Rear cogs	1-speed, 18 teeth
Chain	KMC Z410
Pedals	Resin Platform

Brakes

Brakes	Coaster rear

Cockpit & contact points

Headset	1" threaded
Handlebar	Hi-Ten 2-piece
Handlebar extensions	Not included
Stem	Steel Quill w/ Alloy Cap
Saddle	DB Jr Padded
Seatpost	Alloy integrated, 25.4mm diameter

Wheels & tires

Hubs	Front: Nutted, Rear: Nutted, coaster
Rims	R-1000, 16-hole
Spokes	14ga. (2.0mm) straight gauge
Front tire	12 x 2.125" Comp III-style
Wheel size	12" wheels

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