Lowest0.69:1
Highest4.00:1
Total range582%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Rear tire: 26×2.
Velopedia Bicycle Archive
2010 Jamis Dakota Pro
Original specifications: Shimano Deore XT · 9-speed rear derailleur · 26" wheels.
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At a glance
Archive #19654- Model year
- 2010
- Category
- Mountain
- Sizes
- 15", 17", 19", 21"
- Colors
- Pearl White/Carbon
- In this record
- 25 specifications · archived image
Original buildUltra-High modulus carbon fiber · Mountain Mix · 26" wheels
Frameset
| Frame Construction | Carbon |
|---|---|
| Frame Material | Ultra-High modulus carbon fiber |
| Fork | Fox 32 F100RL, 100mm travel |
| Fork Material | Single crown |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano Deore XT Rapidfire Plus-SL |
| Front Derailleur | Shimano Deore XT, top-pull/clamp-on 34.9mm |
| Rear Derailleur | Shimano Deore XT Shadow |
| Crankset | FSA Afterburner BB30, 44/32/22 teeth |
| Bottom Bracket | FSA BB30 |
| Cassette | SRAM PowerGlide 950 |
| Rear Cogs | 9-speed, 11 - 32 teeth |
| Chain | KMC Z9200 |
Brakes
| Brakes | Shimano Deore XT M775 w/160mm Rotors brakes, Shimano Deore XT M775 levers |
|---|
Cockpit & Contact Points
| Headset | 1 1/8" threadless Ritchey Pro Logic |
|---|---|
| Handlebar | Ritchey Mountain Comp Flat Bar OS |
| Handlebar Extensions | Not included |
| Stem | Ritchey Comp OS |
| Saddle | WTB Silverado Team |
| Seatpost | Ritchey Comp 2 bolt, 31.6mm diameter |
Wheels & Tires
| Hubs | Mavic CrossRide Centerlock Disc |
|---|---|
| Rims | Mavic CrossRide Disc |
| Front Tire | 26 x 2.10" Geax Gato |
| Rear Tire | 26 x 2.00" Geax AKA |
| Wheel Size | 26" wheels |
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Gearing
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
How it works
Ratio = front teeth ÷ rear teeth. Hub gears also include the hub’s internal ratio. A 400% range means the highest ratio is four times the lowest.
Speeds are estimates from tire size and pedal cadence. Actual speeds vary.
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
Find replacement parts
Ritchey Comp 2 bolt
31.6mm diameter
Retailer offers
FSA Gossamer SB20 Seatpost Black, 31.6mm, 350mm
Replacement option
FSA BB30
WTB Silverado Team
More parts (8)Fewer parts
FSA Afterburner BB30
44/32/22 teeth
Shimano Deore XT Shadow
Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Shimano Deore XT Rapidfire Plus-SL
Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Ritchey Mountain Comp Flat Bar OS
Ritchey Comp OS
1 1/8" threadless Ritchey Pro Logic
Mavic CrossRide Disc
Mavic CrossRide Centerlock Disc
Based on the original build. Check fit and installed parts before ordering. Affiliate links may earn Velopedia a commission. As an Amazon Associate I earn from qualifying purchases.
Parts and service referenceQuick reference before buying parts
Archived specifications for reference. Check the fitted parts before ordering.
- Front tire
- Front: 26 x 2.10" Geax Gato, Rear: 26 x 2.00" Geax AKA
- Drivetrain
- 9-speed
- Seatpost diameter
- 31.6 mm
- Bottom bracket / shell
- FSA BB30
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: Carbon · Fork: Fox 32 F100RL, 100mm travel · Single crown
Suspension
Evaluate the suspension →Archived: Fork: Fox 32 F100RL, 100mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano Deore XT Rapidfire Plus-SL · Front derailleur: Shimano Deore XT, top-pull/clamp-on 34.9mm · Rear derailleur: Shimano Deore XT Shadow · Crankset: FSA Afterburner BB30, 44/32/22 teeth · Bottom bracket: FSA BB30 · Cassette: SRAM PowerGlide 950 · Rear cogs: 9-speed, 11 - 32 teeth · Chain: KMC Z9200
Brakes
Inspect the brakes →Archived: Brakes: Shimano Deore XT M775 w/160mm Rotors brakes, Shimano Deore XT M775 levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Mavic CrossRide Disc · Hubs: Mavic CrossRide Centerlock Disc · Front tire: Front: 26 x 2.10" Geax Gato, Rear: 26 x 2.00" Geax AKA
Controls and contact points
Archived: Headset: 1 1/8" threadless Ritchey Pro Logic · Handlebar: Ritchey Mountain Comp Flat Bar OS · Stem: Ritchey Comp OS · Seatpost: Ritchey Comp 2 bolt, 31.6mm diameter · Saddle: WTB Silverado Team
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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.