Bicycle Archive · Specification report

2012 Diamondback RM 20

Velopedia Archive ID 2029970

Overview

Model year	2012
Brand	Diamondback
Model	RM 20
Bicycle type	Youth
Archive ID	2029970
Original MSRP	$190.00
Colors	Black
Sizes	20

Frameset

Frame material	Hi-ten remington steel
Fork	Hi-Ten

Drivetrain

Crankset	1-piece 28t
Bottom bracket	Looseball
Cassette	18t
Chain	KMC Z-410
Pedals	nylon flat pedal

Brakes

Brakes	Coaster brake/V-brake

Cockpit & contact points

Headset	1" threaded
Handlebar	Hi-Ten 2-piece
Stem	Steel quill
Saddle	DB BMX padded
Seatpost	Alloy 25.4

Wheels & tires

Front tire	Comp III style 20x2.125

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