Bicycle Archive · Specification report

2007 Diamondback RM 20

Velopedia Archive ID 16079

Overview

Model year	2007
Brand	Diamondback
Model	RM 20
Bicycle type	Juvenile
Archive ID	16079
Original MSRP	$130.00
Colors	Anno Red
Sizes	20" wheel

Frameset

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

Drivetrain

Component group	Juvenile Mix
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	140mm 1-Piece, 36 teeth
Bottom bracket	Loose ball
Rear cogs	1-speed, 18 teeth
Chain	KMC Z410
Pedals	Resin Platform

Brakes

Brakes	Linear-pull front/Coaster rear brakes, Alloy 2-finger levers

Cockpit & contact points

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

Wheels & tires

Hubs	Nutted
Rims	R-1000 Alloy, 36-hole
Spokes	14ga. (2.0mm) straight gauge
Front tire	20 x 2.125" Comp III style
Wheel size	20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on August 24, 2026.