Velopedia Bicycle Archive

2012 Rocky Mountain Vertex 990 RSL 29"

Original specifications.

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At a glance

Archive #3059577
Model year
2012
Category
Mountain
Sizes
S, M, L, XL
Colors
Gray/Red
In this record
17 specifications · archived image
Campaign
Original buildFORM C13 Hi Mod Carbon

Manufacturer catalog

Published sizes and colors

4 sizes · 1 color

Manufacturer-published sizes and colors; availability and exact size/color pairings may vary by market or production run.

Published sizes

SMLXL

Published colors

Gray/Red

Frameset

Frame MaterialFORM C13 Hi Mod Carbon
ForkRock Shox SID XX 29 100mm

Drivetrain

ShiftersSRAM XO 10spd
Front DerailleurSRAM XO
Rear DerailleurSRAM X0 10spd
CranksetSRAM X0 39/26t
Bottom BracketSRAM Pfgxp
CassetteSRAM XG-1080 12-36T
ChainSRAM PC-1091

Brakes

BrakesAvid X.0 Carbon 180/160mm

Cockpit & Contact Points

HeadsetCane Creek Forty Series
HandlebarEaston EC70
StemEaston EA90
SaddleFizik Tundra 2 Kium
SeatpostEaston EC 70

Wheels & Tires

HubsDT Swiss 240s 15mm DT Swiss 240s 12mm
Front TireMaxxis Ikon eXCeption 29

Gearing

Lower gears help on climbs. Higher gears suit higher speeds.

All published sizes39/26T · 12–36T · 10-speed
Lowest0.72:1 Highest3.25:1 Total range450%

Speed unavailable: wheel or tire size is missing or unclear.

Add your rear tire size to calculate speed
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 other gearing

Try your current gearingChanged tires or gears? Calculate your setup.

Your changes apply to this calculation. The archived build stays unchanged.

Your gearing setup
Gears

Use up to three front tooth counts, separated by /. For one rear sprocket, enter the same count twice.

Rear tire

Apply the marking on your rear tire or edit its dimensions below. Older or fractional inch sizes need the ISO marking (e.g. 37-590).

For 32-622, width is 32 mm and rim diameter is 622 mm. Use the rear tire on mixed-wheel bikes. Leave both fields empty to compare ratios only.

Gear, dimension and cadence changes update results automatically.

Speeds are estimates. These calculations do not establish component compatibility or available tire clearance.

Parts & serviceability

Find replacement parts

Original specifications
Chain · Original
SRAM PC-1091
Cassette · Original
SRAM XG-1080 12-36t
Bottom bracket · Original
SRAM PFGXP
More parts (10)Fewer parts
Saddle · Original
Fizik Tundra 2 Kium
Crankset · Original
SRAM X0 39/26t
Front derailleur · Original
SRAM XO Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Rear derailleur · Original
SRAM X0 10spd Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Shifters · Original
SRAM XO 10spd Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
Handlebar · Original
Easton EC70
Stem · Original
Easton EA90
Seatpost · Original
Easton EC 70
Headset · Original
Cane Creek Forty Series
Hubs · Original
DT Swiss 240s 15mm DT Swiss 240s 12mm

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
Maxxis Ikon eXCeption 29
Drivetrain
10-speed
Bottom bracket / shell
SRAM PFGXP
Campaign
Equipment inspection checks 11 checks based on 6 archived component groups Open equipment checksClose equipment checks
0 of 11 checked Progress stays in this browser for this record.

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 →

Archived: Frame: FORM C13 Hi Mod Carbon · Fork: Rock Shox SID XX 29 100mm

Archived: Fork: Rock Shox SID XX 29 100mm

Archived: Shifters: SRAM XO 10spd · Front derailleur: SRAM XO · Rear derailleur: SRAM X0 10spd · Crankset: SRAM X0 39/26t · Bottom bracket: SRAM PFGXP · Cassette: SRAM XG-1080 12-36t · Chain: SRAM PC-1091

Archived: Brakes: Avid X.0 Carbon 180/160mm

Archived: Hubs: DT Swiss 240s 15mm DT Swiss 240s 12mm · Front tire: Maxxis Ikon eXCeption 29

Controls and contact points

Archived: Headset: Cane Creek Forty Series · Handlebar: Easton EC70 · Stem: Easton EA90 · Seatpost: Easton EC 70 · Saddle: Fizik Tundra 2 Kium

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Specifications are presented as a reference. Components may vary by market, size, production run, or later manufacturer revisions.

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