Velopedia Bicycle Archive
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Compare published geometry, gearing and specifications for up to three bicycles.
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At a glance
Key differences
Supported differences are shown below. Data limitations are labeled separately.
No key difference could be established from the available data. Check the full table for the details.
Selected-size geometry
Geometry overlay
Frames share one scale and a bottom-bracket alignment. Size labels differ by brand; schematic drawing aids are identified below.
Gearing comparison
Lower gears help on climbs. Higher gears suit higher speeds.
RPM
RPM = pedal turns per minute.
Lowest0.63:1Highest3.20:1Total range510%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 2.4″ + 29-inch.
Lowest0.63:1Highest3.20:1Total range510%
Estimated speed at 90 RPMLowest gearHighest gear
Rear tire: 2.4″ + 29-inch.
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.
Complete specification tableShows different published values and gaps where a bicycle lacks data. Different wording reflects source language, not necessarily different components. Swipe for more columns.
Specification
2024 Rocky Mountain Altitude Alloy 30
2026 Rocky Mountain Altitude Alloy 30
Overview
Model Year
2024
2026
Brand
Rocky Mountain
Rocky Mountain
Model
Altitude Alloy 30
Altitude Alloy 30
Bicycle Type
Mountain
Mountain
Original MSRP
$3,999.00
$3,999.00
Colors
Black/Black
Black/Black
Sizes
S, M, L, XL
S, M, L, XL
Weight
—
—
Frameset
Frame Construction
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
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
Frame Material
Aluminum
Aluminum
Fork
RockShox Zeb RC 170mm | 27.5 = 38mm Offset | 29 = 44mm Offset
RockShox Zeb RC 170mm | 27.5 = 38mm Offset | 29 = 44mm Offset
Rear Shock
Fox Float X Performance | Sealed Bearing Eyelet | 40x10mm F Hardware | SM = 210x55mm | MD - LG - XL = 230x60mm | Size-Specific tune in FAQ
Fox Float X Performance | Sealed Bearing Eyelet | 40x10mm F Hardware | SM = 210x55mm | MD - LG - XL = 230x60mm | Size-Specific tune in FAQ
Drivetrain
Shifters
Shimano Deore 12spd
Shimano Deore 12spd
Rear Derailleur
Shimano Deore 12spd
Shimano Deore 12spd
Crankset
Shimano Deore | 32T | 24mm Spindle | Crankarm Length: SM = 165mm | MD - XL = 170mm
Shimano Deore | 32T | 24mm Spindle | Crankarm Length: SM = 165mm | MD - XL = 170mm
Bottom Bracket
Shimano Threaded BBMT501-B
Shimano Threaded BBMT501-B
Cassette
Shimano Deore 10-51T 12spd
Shimano Deore 10-51T 12spd
Chain
Shimano M6100
Shimano M6100
Brakes
Brakes
Shimano MT6120 4 Piston | Metal Pads
Shimano MT6120 4 Piston | Metal Pads
Cockpit & Contact Points
Headset
FSA 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
FSA 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
Handlebar
Rocky Mountain AM | 760mm Width | 38mm Rise | 9° Backsweep | 5° Upsweep | 31.8 Clamp
Rocky Mountain AM | 780mm Width | 38mm Rise | 9° Backsweep | 5° Upsweep | 31.8 Clamp
Stem
Rocky Mountain 31.8 AM | 5° Rise | All Sizes = 40mm
Rocky Mountain 35 AM | 0° Rise | All Sizes = 40mm
Saddle
WTB Solano Fusion Form 142 | Steel Rails
WTB Volt 142 | Steel Rails
Seatpost
X Fusion Manic Composite 30.9mm | SM = 150mm | MD = 170mm | LG - XL = 200mm
Tranz X +RAD1.0 Adjustable Dropper Post | 30mm Adjustment | Alloy I-Spec EV Lever | 30.9mm | SM = 150mm | MD = 170mm | LG - XL = 200mm
Wheels & Tires
Hubs
Front: Shimano TC500 | 15mm Boost; Rear: Shimano TC500 Boost 148mm
Front: Shimano TC500 | 15mm Boost; Rear: Shimano TC500 Boost 148mm
Rims
WTB ST i30 TOUGH TCS 2.0 | 32H | Tubeless Set Up | Sealant Incl
WTB ST I30 Tough TCS 2.0 | 32H
Spokes
2.0 Stainless
2.0 Stainless
Front Tire
Maxxis Minion DHF 2.5 WT EXO Tubeless Ready
Maxxis Minion DHF 2.5 WT EXO Tubeless Ready
Rear Tire
Maxxis Minion DHR II 2.4 WT EXO Tubeless Ready
Maxxis Minion DHR II 2.4 WT EXO Tubeless Ready
Wheel Size
SM: 27.5″; MD/LG/XL: 29″
SM: 27.5″; MD/LG/XL: 29″
Geometry · choose a size for each bicycle
Geometry size
Reach
475 mm
475 mm
Stack
639 mm
639 mm
Effective top tube
610 mm
610 mm
Head-tube angle
63°
63°
Seat-tube angle
77°
77°
Seat tube
440 mm
440 mm
Head tube
115 mm
115 mm
Chainstay / rear center
450 mm
450 mm
Wheelbase
1283 mm
1283 mm
Bottom-bracket drop
38 mm
38 mm
Standover height
798 mm
798 mm
Wheel size
29
29
Historical specifications are presented as an archival reference. Components may have varied by market, size, or production run.