Velopedia Bicycle Archive
2007 Diamondback Reactor Pro
BMX bicycle from the Velopedia specification archive.
- Original MSRP
- $440.00
- Colors
- Black Metallic
- Geometry
- Legacy reference · Ride analysis
- Archive ID
- 16073
Current market
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Velopedia analysis
What the specifications mean
With rim brakes, the wheel’s braking surface is part of the system, so rim wear matters alongside pads and cables. On the alloy frame, dents and hairline cracks around welds, pivots and heavily loaded junctions matter more than cosmetic scratches. The $440.00 original MSRP records the bike’s launch positioning, not its present condition or current market value.
Brake service
Rim braking
Pad compound, cable condition and wheel braking-surface wear belong in the inspection.
Frame material
Aluminum / alloy
Dents and cracking around welds, pivots and loaded junctions deserve attention.
Original MSRP
$440.00
Historical launch-position context—not a current valuation or asking price.
Understand MSRP and market evidence →
Used-bike inspection
If you’re buying this bike used
Before any test ride: both brakes should stop the bike firmly and release cleanly; both wheels should run true and be securely attached; tires should have no casing damage; and the headset, handlebar, stem, cranks and pedals should have no looseness or play.
Follow the full used-bike inspection order →- FrameLook closely for dents and hairline cracks around welds, the head tube and bottom-bracket area. Cosmetic scratches matter less than a change in shape or a crack line.Inspect the frame and fork →
- BrakesInspect pad condition, cable movement and the rim sidewalls or brake tracks for wear. A concave or heavily worn braking surface can mean the wheel also needs replacement.Inspect the brakes →
- DrivetrainShift through the full range under light load, measure chain wear and inspect the cassette or freewheel teeth. Skipping or hesitation can indicate wear, poor adjustment or mismatched parts.Check drivetrain wear →
- Wheels & tiresSpin both wheels and watch the rims for side-to-side or vertical movement. Check for dents, cracks, loose or uneven spokes and hub play, then inspect both tire casings for cuts, cracking or exposed threads.Check wheels and tires →
Bike-specific inspection checklist 18 checks based on 5 archived component groups Open checklistClose checklist
This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.
Identity and fit
Follow the full used-bike inspection order →Archived: 2007 Diamondback Reactor Pro · BMX
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: Diamondback · Chromoly, unicrown crown
Drivetrain
Check drivetrain wear →Archived: Group: BMX Mix · Crankset: 175mm tubular Cromo arms, 44 teeth · Bottom bracket: Alloy cup w/ 4 sealed bearings · Rear cogs: 1-speed, 16 teeth · Chain: KMC, 1/2 x 3/32"
Brakes
Inspect the brakes →Archived: Brakes: Tektro 920 Linear pull front/Tektro 920 Linear pull rear brakes, Tekto Sabre levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 20" wheels · Rims: Sun Rhyno Lite, 36-hole · Hubs: Front: Aluminum shell w/ sealed bearings, Rear: Aluminum shell cassette · Front tire: Front: 20 x 2.125" Tioga Comp III, Rear: 20 x 1.75" Tioga Comp III
Controls and contact points
Archived: Headset: 1 1/8" integrated FSA · Handlebar: Full Cromo 2-piece · Stem: DB Reactor · Seatpost: Alloy Micro Adjust, 27.2mm diameter · Saddle: DB Race · Pedals: DB Bigfoot III Alloy w/ steel pins
Before and during the test ride
Follow the full used-bike inspection order →Interpretation based on the archived manufacturer specifications. Confirm exact fit and standards before ordering parts or performing service.
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Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 7005 Aluminum |
| Fork | Diamondback |
| Fork Material | Chromoly, unicrown crown |
| Rear Shock | N/A |
Drivetrain
| Component Group | BMX Mix |
|---|---|
| Shifters | N/A |
| Front Derailleur | N/A |
| Rear Derailleur | N/A |
| Crankset | 175mm tubular Cromo arms, 44 teeth |
| Bottom Bracket | Alloy cup w/ 4 sealed bearings |
| Rear Cogs | 1-speed, 16 teeth |
| Chain | KMC, 1/2 x 3/32" |
| Pedals | DB Bigfoot III Alloy w/ steel pins |
Brakes
| Brakes | Tektro 920 Linear pull front/Tektro 920 Linear pull rear brakes, Tekto Sabre levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" integrated FSA |
|---|---|
| Handlebar | Full Cromo 2-piece |
| Handlebar Extensions | Not included |
| Stem | DB Reactor |
| Saddle | DB Race |
| Seatpost | Alloy Micro Adjust, 27.2mm diameter |
Wheels & Tires
| Hubs | Front: Aluminum shell w/ sealed bearings, Rear: Aluminum shell cassette |
|---|---|
| Rims | Sun Rhyno Lite, 36-hole |
| Spokes | 14ga. (2.0mm) straight gauge |
| Front Tire | Front: 20 x 2.125" Tioga Comp III, Rear: 20 x 1.75" Tioga Comp III |
| Wheel Size | 20" wheels |
Historical reference geometry
Geometry
Historical model-level geometry recovered from Velopedia’s original archive database. The source does not identify which listed frame size this reference describes, so fit interpretation is intentionally limited and no size-normalized Archive Context is generated.
| Measurement | Legacy reference |
|---|---|
| Top tube | 533.4 mm |
| Head-tube angle | 74° |
| Seat-tube angle | 70° |
| Chainstay / rear center | 381 mm |
Geometry source: Historical archive database — model-level reference geometry. The historical source provides one model-level geometry set and does not identify the corresponding frame size.
Geometry interpretation
What this geometry means
Legacy reference geometry
Fit reference
The historical source lists a 533.4 mm top-tube length, but it does not identify which frame size this model-level reference describes or whether the historical field was measured horizontally. Treat it as an archival frame reference rather than a size-specific fit recommendation. Its 70° seat-tube angle describes the reference frame’s seat-line orientation. Actual seated position still depends on frame size, saddle height and fore-aft adjustment.
Handling tendencies
The 74° head angle points to relatively quick-steering steering geometry. Wheel size, fork offset, trail and the unknown reference frame size still matter to the final steering feel. The 381 mm chainstay records the rear-center dimension of the historical reference. Rear-center length influences weight distribution and how readily the rear of the bike changes direction.
This is historical model-level reference geometry, not a known frame-size geometry table or a ride test. Frame size, rider proportions, cockpit setup, tires, suspension and components can materially change fit and handling.
Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.