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2025 Rocky Mountain Altitude Alloy 70 Coil

Original specifications: 27.5"; 29" wheels · geometry for 3 published sizes.

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At a glance

Model year
2025
Category
Mountain
Original MSRP
$5,699.00
Sizes
S, M, L, XL
Colors
Black/Black
Geometry
3 manufacturer sizes
In this record
20 specifications · archived image · original MSRP · geometry
Archive ID
900001897
Original buildAluminum · 27.5"; 29"

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

Black/Black

Frameset

Frame ConstructionFORM™ Alloy | Full Sealed Cartridge Bearings | Threaded BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-4™ Adjustable Geometry | 160mm Travel | FORM™ Alloy Rear Triangle
Frame MaterialAluminum
ForkFox 38 Float EVOL GRIP X2 Factory Series 170mm | 27.5 = 37mm Offset | 29 = 44mm Offset
Rear ShockFox DHX2 Coil Factory | Sealed Bearing Eyelet | 40x10mm F Hardware | SM = 210x55mm | MD - LG - XL = 230x60mm | Coil Spring SM - MD - LG - XL = 400 - 450 - 500 - 550

Drivetrain

ShiftersShimano XT
Rear DerailleurShimano XT
CranksetRace Face Aeffect R Cinch | 32T | 24mm Spindle | SM = 165mm | MD - XL = 170mm
Bottom BracketShimano Threaded BBMT501-B
CassetteShimano SLX 10-51T 12spd
ChainShimano M7100

Brakes

BrakesShimano XT Trail 4 Piston | Metal Pads

Cockpit & Contact Points

HeadsetFSA ZS56/66 Reach Adjust | 0mm Cups Installed | +/- 5mm Cups Included | Sealed Stainless 36°x45° Bearings | 30.2mm x 41mm x 6.5mm Upper | 40mm x 51.8mm x 8.0mm Lower | 1.5" Crown Race
HandlebarRocky Mountain AM | 780mm Width | 38mm Rise | 9° Backsweep | 5° Upsweep | 35 Clamp
StemRocky Mountain 35 AM | 0° Rise | All Sizes = 40mm
SaddleWTB Solano Fusion Form 142 | Cromoly Rails
SeatpostX Fusion Manic Composite 30.9mm | SM = 150mm | MD = 170mm | LG - XL = 200mm

Wheels & Tires

HubsFront: Novatec D791SB Sealed Boost 15mm; Rear: DT Swiss 370 Boost 148mm | 18T Star-Ratchet
RimsRace Face AR 30 | 32H | Cushcore Trail Tire Inserts | Lightweight | Tire & Rim Protection
SpokesDT Swiss Competition 2.0/1.8/2.0
Wheel Size27.5"; 29"

Geometry

3 sizes · 11 measurements

Frame measurements by size.

All geometry measurements3 sizes · 11 measurements
MeasurementMDLGXL
Seat tube410 mm440 mm470 mm
Effective top tube584 mm610 mm642 mm
Head tube105 mm115 mm130 mm
Head-tube angle62.9°62.9°62.9°
Seat-tube angle77°77°77°
Chainstay / rear center440 mm450 mm450 mm
Wheelbase1243 mm1282 mm1319 mm
Bottom-bracket drop29 mm29 mm29 mm
Reach450 mm475 mm505 mm
Stack630 mm639 mm653 mm
Standover height791 mm797 mm808 mm

Measurements may vary by configuration, wheel size, or frame setting where noted in the published chart.

Gearing

Chainring ÷ rear sprocket

Lower ratios provide more mechanical advantage for climbing. Higher ratios turn the rear wheel farther with each crank revolution.

All published sizes32T · 10–51T · 12-speed
Lowest0.63:1 Highest3.20:1 Total range510%
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Parts & serviceability

Find replacement parts

Original specifications
Cassette · Original
Shimano SLX 10-51T 12spd Search: Shimano SLX 10-51T 12spd cassette
Bottom bracket · Original
Shimano Threaded BBMT501-B
Rear derailleur · Original
Shimano XT Search: Shimano Deore XT 12-speed rear derailleur Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.
More parts (1)
Shifters · Original
Shimano XT Search: Shimano Deore XT 12-speed shifter Before ordering: Confirm whether the drivetrain is mechanical or electronic before ordering.

Based on the original build. Confirm the model, size and fit before ordering; installed parts may differ. As an Amazon Associate I earn from qualifying purchases. Velopedia may also earn from qualifying eBay purchases.

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Bike-specific inspection checklist 22 checks based on 6 archived component groups Open checklistClose checklist
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This checklist uses the archived equipment for this bike. It cannot confirm the condition, service history or later component changes of the example in front of you.

Archived: 2025 Rocky Mountain Altitude Alloy 70 Coil · Mountain · Published sizes: S, M, L, XL

Archived: Frame: FORM™ Alloy | Full Sealed Cartridge Bearings | Threaded BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-4™ Adjustable Geometry | 160mm Travel | FORM™ Alloy Rear Triangle · Fork: Fox 38 Float EVOL GRIP X2 Factory Series 170mm | 27.5 = 37mm Offset | 29 = 44mm Offset

Archived: Fork: Fox 38 Float EVOL GRIP X2 Factory Series 170mm | 27.5 = 37mm Offset | 29 = 44mm Offset · Rear shock: Fox DHX2 Coil Factory | Sealed Bearing Eyelet | 40x10mm F Hardware | SM = 210x55mm | MD - LG - XL = 230x60mm | Coil Spring SM - MD - LG - XL = 400 - 450 - 500 - 550

Archived: Shifters: Shimano XT · Rear derailleur: Shimano XT · Crankset: Race Face Aeffect R Cinch | 32T | 24mm Spindle | SM = 165mm | MD - XL = 170mm · Bottom bracket: Shimano Threaded BBMT501-B · Cassette: Shimano SLX 10-51T 12spd · Chain: Shimano M7100

Archived: Brakes: Shimano XT Trail 4 Piston | Metal Pads

Archived: Wheel size: 27.5"; 29" · Rims: Race Face AR 30 | 32H | Cushcore Trail Tire Inserts | Lightweight | Tire & Rim Protection · Hubs: Front: Novatec D791SB Sealed Boost 15mm; Rear: DT Swiss 370 Boost 148mm | 18T Star-Ratchet

Controls and contact points

Archived: Handlebar: Rocky Mountain AM | 780mm Width | 38mm Rise | 9° Backsweep | 5° Upsweep | 35 Clamp · Stem: Rocky Mountain 35 AM | 0° Rise | All Sizes = 40mm · Seatpost: X Fusion Manic Composite 30.9mm | SM = 150mm | MD = 170mm | LG - XL = 200mm · Saddle: WTB Solano Fusion Form 142 | Cromoly Rails

Before and during the test ride

Follow the full used-bike inspection order →

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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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