Bicycle Archive · Specification report

2026 Rocky Mountain Altitude Alloy 30

Velopedia Archive ID 900000851

Overview

Model year	2026
Brand	Rocky Mountain
Model	Altitude Alloy 30
Bicycle type	Mountain
Archive ID	900000851
Original MSRP	$3,999.00
Colors	BLACK/BLACK
Sizes	SM; MD; LG; XL

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
Frame material	Aluminum
Fork	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

Drivetrain

Shifters	Shimano Deore 12spd
Rear derailleur	Shimano Deore 12spd
Crankset	Shimano Deore \| 32T \| 24mm Spindle \| Crankarm Length: SM = 165mm \| MD - XL = 170mm
Bottom bracket	Shimano Threaded BBMT501-B
Cassette	Shimano Deore 10-51T 12spd
Chain	Shimano M6100

Brakes

Brakes	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
Handlebar	Rocky Mountain AM \| 780mm Width \| 38mm Rise \| 9° Backsweep \| 5° Upsweep \| 31.8 Clamp
Stem	Rocky Mountain 35 AM \| 0° Rise \| All Sizes = 40mm
Saddle	WTB Volt 142 \| Steel Rails
Seatpost	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
Rims	WTB ST I30 Tough TCS 2.0 \| 32H
Spokes	2.0 Stainless
Front tire	Maxxis Minion DHF 2.5 WT EXO Tubeless Ready
Rear tire	Maxxis Minion DHR II 2.4 WT EXO Tubeless Ready
Wheel size	27.5"; 29"

Geometry · MD

Seat tube	410 mm
Effective top tube	584 mm
Head tube	105 mm
Head-tube angle	62.9°
Seat-tube angle	77°
Chainstay / rear center	440 mm
Wheelbase	1243 mm
Bottom-bracket drop	29 mm
Reach	450 mm
Stack	630 mm
Standover height	791 mm

Geometry · LG

Seat tube	440 mm
Effective top tube	610 mm
Head tube	115 mm
Head-tube angle	62.9°
Seat-tube angle	77°
Chainstay / rear center	450 mm
Wheelbase	1282 mm
Bottom-bracket drop	29 mm
Reach	475 mm
Stack	639 mm
Standover height	797 mm

Geometry · XL

Seat tube	470 mm
Effective top tube	642 mm
Head tube	130 mm
Head-tube angle	62.9°
Seat-tube angle	77°
Chainstay / rear center	450 mm
Wheelbase	1319 mm
Bottom-bracket drop	29 mm
Reach	505 mm
Stack	653 mm
Standover height	808 mm

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on September 22, 2026.