Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2004 Diamondback Octane 20
Previous used estimate
$45 - $46
Actual value depends on condition, size, and local demand.
Value Guide market data · 2004 Diamondback Octane 20
12-month projected trend
— %
Direction and magnitude, not judgment
vs. category average
— %
No category comparison available
Price over time - 2004 Diamondback Octane 20
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All Octane model years
Compare Octane 20 models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
2004 Diamondback Octane 20 value depends on condition, original build, service history, and current buyer demand.
Specifications
- Category
- Kids
- Component Hubs
- Front: steel, nutted, Rear: steel, coaster brake
- Component Rims
- Alloy MTB, 36-hole
- Product Family
- Octane
- Component Chain
- KMC, 1/2 x 3/32inch
- Component Tires
- 20 x 2.00inch Jr ATB
- Component Pedals
- BMX style resin
- Component Saddle
- DB Jr. ATB Padded
- Component Headset
- 1 1/8inch Aheadset
- Component Brakeset
- Coaster w/aluminum linear-pull rear brakes, resin/aluminum, w/reach adjust rear levers
- Component Cassette
- 6-speed, 14 - 28 teeth
- Component Crankset
- OPC w/chainguard
- Component Seatpost
- Steel Post
- Component Handlebar
- Jr. ATB Riser
- Component Extensions
- Not included
- Component Rear Shock
- Not applicable
- Component Spoke Brand
- UCP, 14ga. (2.0mm) straight gauge
- Component Shift Levers
- Shimano Revo, Right Only
- Component Fork Material
- Aluminum, single crown
- Component Bottom Bracket
- One piece
- Component Handlebar Stem
- Alloy, adjustable rise
- Component Component Group
- Mountain Mix
- Component Fork Brand Model
- SR Suntour M-2000, 20inch, 30mm
- Component Frame Construction
- TIG-welded
- Component Frame Tubing Material
- Aluminum
- Frame Construction
- TIG-welded
- Frame Tubing Material
- Aluminum
- Fork Brand & Model
- SR Suntour M-2000, 20inch, 30mm
- Fork Material
- Aluminum, single crown
- Rear Shock
- Not applicable
- Hubs
- Front: steel, nutted, Rear: steel, coaster brake
- Rims
- Alloy MTB, 36-hole
- Tires
- 20 x 2.00inch Jr ATB
- Spoke Brand
- UCP, 14ga. (2.0mm) straight gauge
- Component Group
- Mountain Mix
- Brakeset
- Coaster w/aluminum linear-pull rear brakes, resin/aluminum, w/reach adjust rear levers
- Shift Levers
- Shimano Revo, Right Only
- Crankset
- OPC w/chainguard
- Pedals
- BMX style resin
- Bottom Bracket
- One piece
- Chain
- KMC, 1/2 x 3/32inch
- Seatpost
- Steel Post
- Saddle
- DB Jr. ATB Padded
- Handlebar
- Jr. ATB Riser
- Extensions
- Not included
- Handlebar Stem
- Alloy, adjustable rise
- Headset
- 1 1/8inch Aheadset
- Cassette
- 6-speed, 14 - 28 teeth
What to check when buying used
Inspection
Drivetrain wear
Check chain stretch, cassette teeth, chainrings, and shifting under load before negotiating price.
Inspection
Service history
Ask for service records covering bearings, brakes, drivetrain, and any frame or fork warranty work.