Lowest0.67:1
Highest3.82:1
Total range573%
Estimated speed At 90 RPM
Lowest gear
Highest gear
Rear tire: 26×2.
Velopedia Bicycle Archive
2011 Jamis Dakota DXC Pro
Original specifications: Shimano Deore XT · 10-speed rear derailleur · 26" wheels · 23.75 lbs published weight.
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At a glance
Archive #23721- Model year
- 2011
- Category
- Mountain
- Original MSRP
- $3,200.00
- Sizes
- 15, 17, 19, 21"
- Colors
- Victory blue/pearl white
- Weight
- 23.75 lbs
- In this record
- 24 specifications · archived image · original MSRP
Original buildHigh Performance Carbon fiber · Mountain Mix · 26" wheels
Frameset
| Frame Construction | Carbon |
|---|---|
| Frame Material | High Performance Carbon fiber |
| Fork | Fox 32FRL, 100mm travel |
Drivetrain
| Component Group | Mountain Mix |
|---|---|
| Shifters | Shimano Deore XT M770 Rapidfire |
| Front Derailleur | Shimano Deore XT M771, 34.9mm top pull |
| Rear Derailleur | Shimano Deore XT M773 Shadow |
| Crankset | FSA Comet BB30, 42/32/24t teeth |
| Bottom Bracket | FSA BB30 |
| Cassette | Shimano HG81 |
| Rear Cogs | 10-speed, 11 - 36 teeth |
| Chain | KMC X10SL |
Brakes
| Brakes | Shimano Deore XT M775 brakes, Shimano Deore XT M775 levers |
|---|
Cockpit & Contact Points
| Headset | Ritchey Pro Logic |
|---|---|
| Handlebar | Ritchey Pro OS flat bar |
| Handlebar Extensions | Not included |
| Stem | Ritchey Pro 4-Axis |
| Saddle | WTB Silverado Team |
| Seatpost | Ritchey Pro OS, 31.6mm diameter |
Wheels & Tires
| Hubs | Centerlock |
|---|---|
| Rims | Mavic CrossRide Disc |
| Front Tire | 26 x 2.1'' Geax Gato |
| Rear Tire | 26 x 2.0" Geax AKA |
| Wheel Size | 26" wheels |
No specifications match. Try a component name or clear your search.
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 Pro OS
31.6mm diameter
Retailer offers
FSA Gossamer SB20 Seatpost Black, 31.6mm, 350mm
Replacement option
Shimano HG81
More parts (10)Fewer parts
FSA BB30
WTB Silverado Team
FSA Comet BB30
42/32/24t teeth
Shimano Deore XT M771
34.9mm top pull
Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Shimano Deore XT M773 Shadow
Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Shimano Deore XT M770 Rapidfire
Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Ritchey Pro OS flat bar
Ritchey Pro 4-Axis
Ritchey Pro Logic
Mavic CrossRide 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 2.1'' Geax Gato, Rear: 26 x 2.0" Geax AKA
- Drivetrain
- 10-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 32FRL, 100mm travel
Suspension
Evaluate the suspension →Archived: Fork: Fox 32FRL, 100mm travel
Drivetrain
Check drivetrain wear →Archived: Group: Mountain Mix · Shifters: Shimano Deore XT M770 Rapidfire · Front derailleur: Shimano Deore XT M771, 34.9mm top pull · Rear derailleur: Shimano Deore XT M773 Shadow · Crankset: FSA Comet BB30, 42/32/24t teeth · Bottom bracket: FSA BB30 · Cassette: Shimano HG81 · Rear cogs: 10-speed, 11 - 36 teeth · Chain: KMC X10SL
Brakes
Inspect the brakes →Archived: Brakes: Shimano Deore XT M775 brakes, Shimano Deore XT M775 levers
Wheels and tires
Check wheels and tires →Archived: Wheel size: 26" wheels · Rims: Mavic CrossRide Disc · Hubs: Centerlock · Front tire: Front: 26 x 2.1'' Geax Gato, Rear: 26 x 2.0" Geax AKA
Controls and contact points
Archived: Headset: Ritchey Pro Logic · Handlebar: Ritchey Pro OS flat bar · Stem: Ritchey Pro 4-Axis · Seatpost: Ritchey Pro OS, 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.