Quiver

Rocky Mountain2021

2021 Rocky Mountain Altitude Alloy

Enduro

The 2021 Rocky Mountain Altitude Alloy sits more aggressive than most enduro bikes. The Altitude Alloy 30 build comes with Shimano Deore shifting and Shimano MT410 wheels.

Sources: bikes.com, resources.bikes.com. Checked .

Key facts

Model year
2021
Frame
Alloy
Type
Enduro
Drivetrain
Varies by build
Rear shock
Varies by build
Source
resources.bikes.com
Checked

Geometry by size

2021 Rocky Mountain Altitude Alloy geometry by size
MeasurementSS (27.5)MM (27.5)M (29)LL (29)XLXL (29)27.5 L27.5 M27.5 S27.5 XL29 L29 M29 S29 XL
Reach(mm)Not availableNot availableNot availableNot availableNot availableNot availableNot availableNot availableNot available478 (from the manufacturer)453 (from the manufacturer)428 (from the manufacturer)508 (from the manufacturer)484 (from the manufacturer)459 (from the manufacturer)434 (from the manufacturer)514 (from the manufacturer)
Stack(mm)Not availableNot availableNot availableNot availableNot availableNot availableNot availableNot availableNot available635 (from the manufacturer)607 (from the manufacturer)598 (from the manufacturer)649 (from the manufacturer)631 (from the manufacturer)602 (from the manufacturer)593 (from the manufacturer)644 (from the manufacturer)
Head tube angle(°)Not availableNot availableNot availableNot availableNot availableNot availableNot availableNot availableNot available64.8 (from the manufacturer)64.8 (from the manufacturer)64.8 (from the manufacturer)64.8 (from the manufacturer)65.4 (from the manufacturer)65.4 (from the manufacturer)65.4 (from the manufacturer)65.4 (from the manufacturer)
Seat tube angle(°)Not availableNot availableNot availableNot availableNot availableNot availableNot availableNot availableNot available75.8 (from the manufacturer)75.8 (from the manufacturer)75.8 (from the manufacturer)75.8 (from the manufacturer)76.4 (from the manufacturer)76.4 (from the manufacturer)76.4 (from the manufacturer)76.4 (from the manufacturer)
Effective top tube(mm)580 (from the manufacturer)579 (from the manufacturer)607 (from the manufacturer)603 (from the manufacturer)610 (from the manufacturer)640 (from the manufacturer)638 (from the manufacturer)673 (from the manufacturer)Not availableNot availableNot availableNot availableNot availableNot availableNot availableNot availableNot available
Chainstay length(mm)428 (from the manufacturer)427 (from the manufacturer)428 (from the manufacturer)427 (from the manufacturer)437 (from the manufacturer)438 (from the manufacturer)437 (from the manufacturer)438 (from the manufacturer)437 (from the manufacturer)Not availableNot availableNot availableNot availableNot availableNot availableNot availableNot available
Wheelbase(mm)1172 (from the manufacturer)1172 (from the manufacturer)Not available1201 (from the manufacturer)1218 (from the manufacturer)1249 (from the manufacturer)12491285 (from the manufacturer)12851249 (from the manufacturer)1200 (from the manufacturer)1171 (from the manufacturer)1285 (from the manufacturer)1248 (from the manufacturer)1199 (from the manufacturer)1170 (from the manufacturer)1284 (from the manufacturer)
BB drop(mm)Not available12 (from the manufacturer)Not available12 (from the manufacturer)27 (from the manufacturer)Not available27 (from the manufacturer)Not available27 (from the manufacturer)Not availableNot availableNot availableNot availableNot availableNot availableNot availableNot available
Standover(mm)Not available767 (from the manufacturer)Not available797 (from the manufacturer)Not availableNot available813 (from the manufacturer)Not available813 (from the manufacturer)Not availableNot availableNot availableNot availableNot availableNot availableNot availableNot available
Seat tube length(mm)380 (from the manufacturer)380420 (from the manufacturer)420420445 (from the manufacturer)445480 (from the manufacturer)480Not availableNot availableNot availableNot availableNot availableNot availableNot availableNot available
Head tube length(mm)100 (from the manufacturer)100110 (from the manufacturer)11095110 (from the manufacturer)110125 (from the manufacturer)125Not availableNot availableNot availableNot availableNot availableNot availableNot availableNot available
Sources agreeManufacturerNot available

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Stock build

Altitude Alloy 3020 parts

Frame

Rocky Mountain FORM™ Alloy
FrameFrom the manufacturer: Frame type Full Suspension

Suspension

ForkFrom the manufacturer: Wheel size 27.5
Fox Float Performance
Rear shockFrom the manufacturer: Weight 280 g

Drivetrain

ShifterSpeeds 12
Shimano Deore
DerailleurFrom the manufacturer: Speeds 10
Shimano Deore XT
CassetteFrom the manufacturer: Speeds 12From the manufacturer: Freehub body Shimano Micro Spline
Shimano Deore M6100
Chain
Shimano Deore XT
Crankset
Bottom bracketFrom the manufacturer: Shell standard PFFrom the manufacturer: Spindle interface 24mm

Wheels & Tires

Maxxis Minion DHR II DD
TireFrom the manufacturer: TPI 60 TPIFrom the manufacturer: Tubeless ready Yes

Brakes

Shimano SM-RT64
RotorFrom the manufacturer: Weight 140 g

Cockpit

HandlebarFrom the manufacturer: Material Aluminum

Seatpost & Saddle

Dropper postDiameter 30.9mmTotal length 478mm
WTB Volt
SaddleWidth 135 / 142 / 150mmLength 265mm

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Altitude Alloy 5026 parts

Frame

Rocky Mountain FORM Alloy
FrameFrom the manufacturer: Frame type Full SuspensionFrom the manufacturer: Category E-TrailFrom the manufacturer: Rear travel 160mm

Suspension

Fox 36 Performance
ForkFrom the manufacturer: Wheel size 27.5
Fox DPX2 Performance
Rear shock

Drivetrain

Derailleur
Shimano Deore M6100
ChainFrom the manufacturer: Speeds 12
CranksetFrom the manufacturer: Chainring interface CinchFrom the manufacturer: Spindle / BB interface Cinch
ChainringFrom the manufacturer: Mount standard Cinch
Bottom bracketFrom the manufacturer: Shell standard PFFrom the manufacturer: Spindle interface 24mm

Wheels & Tires

WheelsetFrom the manufacturer: Internal rim width 30mmFrom the manufacturer: Spoke count 32
TireFrom the manufacturer: TPI 60 TPIFrom the manufacturer: Tubeless ready Yes
Maxxis Minion DHR II
TireTubeless ready
HubFrom the manufacturer: Bearing type cartridge
HubFrom the manufacturer: Bearing type cartridge
Race Face AR 30
Rim

Brakes

Shimano Trail XT
BrakeFrom the manufacturer: Piston count 4
Shimano SM-RT66
Rotor
Shimano SM-RT64
Rotor

Cockpit

HandlebarFrom the manufacturer: Material Aluminum
StemBar clamp diameter 35mmLength 40mmRise 5°
HeadsetFrom the manufacturer: Standard (SHIS) ZS44/56From the manufacturer: Bearing type Sealed Cartridge

Seatpost & Saddle

Dropper postDiameter 30.9 / 31.6mmFrom the manufacturer: Weight 602 g
Rocky Mountain Toonie Drop Alloy
Seatpost
WTB Volt Race
Saddle

Keep your Altitude Alloy 50 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

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Altitude Alloy 7020 parts

Frame

Rocky Mountain FORM™ Alloy
FrameFrom the manufacturer: Frame type Full Suspension

Suspension

Fox 36 Performance
ForkFrom the manufacturer: Wheel size 27.5
Fox Float Performance
Rear shockFrom the manufacturer: Weight 280 g

Drivetrain

Shimano SLX XT
ShifterFrom the manufacturer: Speeds 12
Derailleur
Shimano Deore XT
CassetteFrom the manufacturer: Speeds 12From the manufacturer: Freehub body Shimano Micro Spline
Shimano Deore M6100
Chain
CranksetFrom the manufacturer: Chainring interface directmountFrom the manufacturer: Spindle / BB interface Cinch
Bottom bracketFrom the manufacturer: Shell standard PFFrom the manufacturer: Spindle interface 24mm

Wheels & Tires

Maxxis Minion DHR II DD
TireFrom the manufacturer: TPI 60 TPIFrom the manufacturer: Tubeless ready Yes

Brakes

Shimano XT Trail 4 Piston
Brake

Cockpit

HandlebarFrom the manufacturer: Material Aluminum

Seatpost & Saddle

Dropper postDiameter 30.9 / 31.6mmFrom the manufacturer: Weight 602 g
WTB Volt Race
Saddle

Keep your Altitude Alloy 70 in Quiver

Start from this build's stock parts, then record your upgrades. Review it before adding it to your garage.

Free on App StoreFree on Google PlayFree for your first bike, on iPhone and Android.

Already have Quiver? Open this build

Sources agreeManufacturer

Quick answers

Which size or configuration labels have geometry for the 2021 Rocky Mountain Altitude Alloy?
Geometry is listed for S, S (27.5), M, M (27.5), M (29), L, L (29), XL, XL (29), 27.5 L, 27.5 M, 27.5 S, 27.5 XL, 29 L, 29 M, 29 S, and 29 XL.
What is the head tube angle of the 2021 Rocky Mountain Altitude Alloy?
The head tube angle is 64.8 degrees in size 27.5 L.
What does the 2021 Rocky Mountain Altitude Alloy 30 ship with?
The stock build includes Rocky Mountain FORM™ Alloy, Marzocchi Z1, Shimano Deore, and Shimano MT410.
Which years of the Rocky Mountain Altitude are on Quiver?
Quiver has the Rocky Mountain Altitude for 2021, 2026, 2024, and 1995.

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