Inspection
Frame condition
Inspect the frame, fork, welds, and high-stress areas for cracks, dents, or prior repairs.
Diamondback
2012 Diamondback RM 12
Previous used estimate
$47 - $48
Actual value depends on condition, size, and local demand.
Value Guide market data · 2012 Diamondback RM 12
12-month projected trend
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Direction and magnitude, not judgment
vs. category average
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Price over time - 2012 Diamondback RM 12
Values based on actual sales data. Enter your bike's specifics to get a precise valuation.
All RM model years
Compare RM 12 models
1 modelsChoose a different build or frame style to see its value.
Overview
About this bike
Diamondback's RM 12 is a rugged 12-inch bicycle perfect for getting kids into riding. It sports a sturdy steel frame, a reliable coaster brake and heavy-duty training wheels to make learning to ride easy. This great bike has fun graphics and fenders for a cool motocross look, too.
Specifications
- Category
- Kids
- Product Family
- RM
- Component Chain
- KMC Z-410
- Component Tires
- Comp III style 12x2.125
- Component Pedals
- nylon flat pedal
- Component Saddle
- DB Jr. padded
- Component Headset
- 1inch threaded
- Component Brakeset
- Coaster
- Component Crankset
- 1-piece 28t
- Component Seatpost
- Alloy 25.4
- Component Handlebar
- Hi-Ten 2-piece
- Component Bottom Bracket
- Looseball
- Component Handlebar Stem
- Steel quill
- Component Fork Brand Model
- Hi-Ten
- Component Frame Tubing Material
- Hi-Ten Remington Steel
- Frame Tubing Material
- Hi-Ten Remington Steel
- Fork Brand & Model
- Hi-Ten
- Tires
- Comp III style 12x2.125
- Brakeset
- Coaster
- Crankset
- 1-piece 28t
- Pedals
- nylon flat pedal
- Bottom Bracket
- Looseball
- Chain
- KMC Z-410
- Seatpost
- Alloy 25.4
- Saddle
- DB Jr. padded
- Handlebar
- Hi-Ten 2-piece
- Handlebar Stem
- Steel quill
- Headset
- 1inch threaded
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.