
Velopedia Bicycle Archive
2009 Jamis Kromo
Original specifications: Dirt Jump Mix drivetrain · 26" wheels · 32.2 lb published weight.
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At a glance
Archive #18231- Model year
- 2009
- Category
- Mountain
- Original MSRP
- $985.00
- Sizes
- M, L
- Colors
- Ghost Blue
- Weight
- 32.2 lb
- In this record
- 23 specifications · archived image · original MSRP
Model history 3 other years
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Identification clues
2009 archived details
- Published colors
- Ghost Blue
- Frame
- 4130 chromoly
- Original equipment
- Dirt Jump Mix
Clues, not proof of model year. Colors vary and components may have been replaced.
Original build4130 chromoly · Dirt Jump Mix · 26" wheels
Frameset
| Frame Construction | TIG-welded |
|---|---|
| Frame Material | 4130 chromoly |
| Fork | SR Duro Dirt Jump, 100mm travel |
| Fork Material | Magnesium/cr-mo, single crown |
Drivetrain
| Component Group | Dirt Jump Mix |
|---|---|
| Crankset | 4130 chromoly, 28 teeth |
| Bottom Bracket | Chromoly spline |
| Cassette | Relic 9:1 cog spacer |
| Rear Cogs | 1-speed, 14 teeth |
| Chain | KMC Z410 |
| Pedals | Crank Brothers 5050 |
Brakes
| Brakes | Hayes Stroker Ryde w/160mm rotor front/Hayes Stroker Ryde w/140mm rotor rear brakes, Hayes Stroker Ryde Hydraulic levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" Aheadset |
|---|---|
| Handlebar | Syncros FR38 6061 riser |
| Handlebar Extensions | Not included |
| Stem | Syncros FR50 31.8mm |
| Saddle | Alienation Recliner Pivotal |
| Seatpost | Alienation Billy Club Pivotal, 25.4mm diameter |
Wheels & Tires
| Hubs | Formula alloy disc |
|---|---|
| Rims | Alienation Black Sheep, 32-hole |
| Spokes | WTB stainless, 14ga. (2.0mm) |
| Front Tire | 26 x 2.30" Kenda K-Rad |
| Wheel Size | 26" wheels |
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Gearing
Original gearing is incomplete. Enter your setup to calculate ratios and cadence speeds.
Try your current gearingChanged tires or gears? Calculate your setup.
Your changes apply to this calculation. The archived build stays unchanged.
Gearing results
| Measure | Original | Your setup |
|---|---|---|
| Lowest ratio | — | — |
| Highest ratio | — | — |
| Total range | — | — |
| Lowest-gear speed | — | — |
| Highest-gear speed | — | — |
Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.
Parts & serviceability
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More parts (1)Fewer parts
25.4mm diameter
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Parts and service referenceQuick reference before buying parts
Archived specifications for reference. Check the fitted parts before ordering.
- Front tire
- 26 x 2.30" Kenda K-Rad
- Drivetrain
- 1-speed
- Seatpost diameter
- 25.4 mm
- Bottom bracket / shell
- Chromoly spline
Equipment inspection checks 11 checks based on 6 archived component groups Open equipment checksClose equipment checks
Checks selected from the archived equipment. Confirm what is fitted today. This is not a complete safety inspection; use the full inspection guide before test riding.
Full used-bike inspection guide →
Frame and fork
Inspect the frame and fork →Archived: Frame: TIG-welded · Fork: SR Duro Dirt Jump, 100mm travel · Magnesium/cr-mo, single crown
Suspension
Evaluate the suspension →Archived: Fork: SR Duro Dirt Jump, 100mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Dirt Jump Mix · Crankset: 4130 chromoly, 28 teeth · Bottom bracket: Chromoly spline · Cassette: Relic 9:1 cog spacer · Rear cogs: 1-speed, 14 teeth · Chain: KMC Z410
Brakes
Inspect the brakes →Archived: Brakes: Hayes Stroker Ryde w/160mm rotor front/Hayes Stroker Ryde w/140mm rotor rear brakes, Hayes Stroker Ryde Hydraulic levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Alienation Black Sheep, 32-hole · Hubs: Formula alloy disc · Front tire: 26 x 2.30" Kenda K-Rad
Controls and contact points
Archived: Headset: 1 1/8" Aheadset · Handlebar: Syncros FR38 6061 riser · Stem: Syncros FR50 31.8mm · Seatpost: Alienation Billy Club Pivotal, 25.4mm diameter · Saddle: Alienation Recliner Pivotal · Pedals: Crank Brothers 5050
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.




