Diamondback Octane 20" Boys'

Name: Diamondback Octane 20" Boys'
Brand: Diamondback

2019 YouthGeneral youth

Last known price: $269

Prices shown first for United States
Fork travel: 40 mm
Wheels: 20″
Drivetrain: 1 × 6 40t
Weight: 11.65 kg 25.7 lb · Reference configuration not specified
Frame: Aluminum
Brakes: Rim brake

Rider height by size (cm)

Size guide

20" 119.4–142.2

Components

6 of 20 identified

Parts found in a manufacturer catalog show their brand, model and key numbers, and the steps show how precisely they are identified: brand, series, model, or the exact product. The info button has every detail and the text the manufacturer published.

Frame and fork

1 part

Frame

6061 Heat-Treated Aluminum Not identified

Suspension

1 part

Fork
- Zoom

Drivetrain

7 parts

Bottom bracket

Loose ball Not identified
Cassette
- Shimano MF-TZ20
MF-TZ20
Chain
- KMC
Crankset

Steel, 40 tooth w/double guard Not identified
Front derailleur

None
Rear derailleur
- Shimano Tourney RD-TZ50
RD-TZ50TZ-50
Shifters
- Shimano SL-RS35
SL-RS35

Brakes

2 parts

Brake levers

Alloy linear pull w/ reach adjust Not identified
Brakes

Alloy linear pull Rim Brake Not identified

Wheels and tires

4 parts

Front hub

32h steel nutted Not identified
Rear hub

32h steel nutted, freewheel Not identified
Rims

32h 20" R-1000 alloy Not identified

R-1000
Tires

Jr. ATB knobby Not identified

Cockpit and contact points

6 parts

Handlebar

Steel Jr Riser Not identified
Headset

Threaded 1 1/8" Not identified
Pedals

Resin MTB, 9/16" Not identified
Saddle

Jr. ATB 2-panel Not identified
Seatpost
- Pillar
Stem

Alloy Quill Not identified

Sizes and geometry

1 size Open in the geometry plotter

Enter your height to highlight matching ranges.

Size 20"

Table

Reach 307mm

Stack 416mm

Wheelbase 885mm

Head angle 70.0°

Seat angle 71.0°

Every size is drawn to the same scale, in millimeters. Explanatory schematic on an assumed 20″ wheel; exact published values are in the table below. Bottom bracket drop is derived from the published bottom bracket height.

Size Reported by the manufacturer

Complete manufacturer geometry table 1 published size

Complete manufacturer geometry by size
Measurement
Reachmm	307
Stackmm	416
Top tube lengthmm	465
Seat tube lengthmm	280
Head tube lengthmm	100
Head tube angle	70°
Seat tube angle	71°
Chainstay lengthmm	380
Wheelbasemm	885
Bottom bracket heightmm	239
Standover heightmm	495
Fork rakemm	37
Stack/reach ratio	1.36

Not published by the manufacturer: Front center, Bottom bracket drop, Trail, Front travel, Rear travel, Crank length, Handlebar width, Stem length, Stem angle, Seatpost length and Dropper post travel.