VelopediaBicycle Archive ยท Specification report

2009 Diamondback Nitrus Jr.

Velopedia Archive ID 18993

Overview

Model year2009
BrandDiamondback
ModelNitrus Jr.
Bicycle typeBMX
Archive ID18993
ColorsBlack/Red
Sizes18.75" TT

Frameset

Frame constructionTIG-welded
Frame material6061-T6 aluminum
Fork materialHi-tensile steel/chromoly steerer, unicrown crown
Rear shockN/A

Drivetrain

Component groupBMX
ShiftersN/A
Front derailleurN/A
Rear derailleurN/A
Crankset3-piece aluminum, 40 teeth
Bottom bracketLoose ball
CassetteFreewheel
Rear cogs1-speed, 16 teeth
ChainKMC, 1/2 x 3/32"
PedalsAlloy body / cage

Brakes

BrakesTektro mini linear rear brakes, Tektro rear levers

Cockpit & contact points

Headset1" FSA Threadless
Handlebar6061 aluminum 4" rise
Handlebar extensionsNot included
StemJr. BMX Race
SaddleDB Puny Seat
SeatpostIntegrated, 22.2mm diameter

Wheels & tires

HubsAluminum 3/8" axle
RimsAluminum, 36-hole
Spokes14ga. (2.0mm)
Front tire20 x 1 3/8" Kenda K-50
Wheel size20" wheels

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 26, 2026.