Bicycle Archive · Specification report

2011 Diamondback RM 20

Velopedia Archive ID 23528

Overview

Model year	2011
Brand	Diamondback
Model	RM 20
Bicycle type	Juvenile
Archive ID	23528
Colors	Gloss black
Sizes	20" Jr. Sidewalk

Frameset

Frame construction	Steel
Frame material	Hi-Ten Remington Steel
Fork	Hi-Ten Remington
Fork material	Steel
Rear shock	N/A

Drivetrain

Component group	Juvenile Mix
Crankset	1-piece, 36T teeth
Bottom bracket	Loose ball
Cassette	Cog
Rear cogs	1-speed, 18 teeth
Chain	KMC Z410
Pedals	Resin platform

Brakes

Brakes	Alloy linear brakes, Alloy linear levers

Cockpit & contact points

Headset	1" Threaded
Handlebar	Hi-Ten 2-piece
Handlebar extensions	Not included
Stem	Steel Quill w/ Alloy Cap
Saddle	DB BMX padded
Seatpost	Steel pillar, 25.4mm diameter

Wheels & tires

Hubs	Nutted
Rims	R-1000 Alloy, 36-hole
Spokes	14ga. (2.0mm)
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 September 29, 2026.