Bicycle Archive · Specification report

2001 Diamondback RMJR

Velopedia Archive ID 36054

Overview

Model year	2001
Brand	Diamondback
Model	RMJR
Bicycle type	BMX
Archive ID	36054
Original MSRP	$329.99
Colors	Team Scheme
Sizes	Junior

Frameset

Frame construction	TIG-welded
Frame material	7005 aluminum
Fork	Diamondback RMX
Fork material	Chromoly, unicrown crown
Rear shock	N/A

Drivetrain

Component group	N/A
Shifters	N/A
Front derailleur	N/A
Rear derailleur	N/A
Crankset	1-piece 165mm, 42 teeth
Bottom bracket	117.5mm spindle
Rear cogs	1-speed, 16 teeth
Chain	KMC HP-20, 1/2 x 3/32"
Pedals	Aluminum platform

Brakes

Brakes	ProMax linear-pull rear brakes, ProMax aluminum rear levers

Cockpit & contact points

Headset	1" threadless Tange Seiki ST-4
Handlebar	Chromoly BMX
Handlebar extensions	Not included
Stem	Aluminum
Saddle	Uni style
Seatpost	Uni style, 22.2mm (7/8 inch) diameter

Wheels & tires

Hubs	Sealed mechanism
Rims	Alex VP-15F, 36-hole
Front tire	20 x 1 3/8" Tioga Comp III
Wheel size	20" wheels

Geometry · Legacy reference

Top tube	466.7 mm
Head-tube angle	73°
Seat-tube angle	72°
Chainstay / rear center	368.3 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 27, 2026.