Bicycle comparison

2025 Rocky Mountain Altitude Carbon 50 · 2021 Rocky Mountain Altitude Carbon 50

Specification	2025 Rocky Mountain Altitude Carbon 50	2021 Rocky Mountain Altitude Carbon 50
Overview
Model year	2025	2021
Brand	Rocky Mountain	Rocky Mountain
Model	Altitude Carbon 50	Altitude Carbon 50
Bicycle type	Mountain	Mountain
Archive ID	900004694	900004616
Original MSRP	$5,699.00	$5,739.00
Colors	PURPLE/RED	PURPLE/BLACK; BLACK/BROWN
Sizes	SM; MD; LG; XL	MD; LG; XL; SM
Weight	—	31.526 LBS\|14.33 KGS
Frameset
Frame construction	SMOOTHWALL™ Carbon \| Penalty Box 2.0 Storage \|Full Sealed Cartridge Bearings \| Threaded BB \| Internal Cable Routing \| 2-Bolt ISCG05 Tabs \| RIDE-4™ Adjustable Geometry \| 160mm Travel \| SMOOTHWALL™ Carbon Rear Triangle	SMOOTHWALL™ Carbon. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9™ Adjustable Geometry. 2 Position Axle. 160mm Travel. SMOOTHWALL™ Carbon Rear Triangle
Frame material	Carbon Fiber	Carbon Fiber
Fork	Fox 38 Float EVOL GRIP Performance Series 170mm \| 27.5 = 37mm Offset \| 29 = 44mm Offset	Fox 36 Float EVOL GRIP Performance Series 170mm \| 27.5 = 37mm 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 DPX2 Performance \| Sealed Bearing Eyelet \| SM = 210x55mm \| MD - LG - XL = 230x60mm
Drivetrain
Shifters	Shimano SLX	Shimano SLX
Rear derailleur	Shimano XT	Shimano XT
Crankset	Race Face Aeffect Cinch \| 32T \| 24mm Spindle \| SM = 165mm \| MD - XL = 170mm	Race Face Aeffect Cinch \| 27.5 = 34T \| 29 = 32T
Bottom bracket	Shimano Threaded BBMT501-B	Shimano SM-BBMT500
Cassette	Shimano SLX 10-51T 12spd	Shimano SLX 10-51T
Chain	Shimano M7100	Shimano M7100
Brakes
Brakes	Shimano XT Trail 4 Piston \| Metal Pads	Shimano XT Trail 4 Piston
Cockpit & contact points
Headset	FSA Orbit NO.85 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 Orbit NO.57E
Handlebar	Rocky Mountain AM \| 780mm Width \| 38mm Rise \| 9° Backsweep \| 5° Upsweep \| 35 Clamp	Rocky Mountain AM 780mm
Stem	Rocky Mountain 35 AM \| 0° Rise \| All Sizes = 40mm	Rocky Mountain 35 AM \| 40mm
Saddle	WTB Solano Fusion Form 142 \| Cromoly Rails	WTB Volt Race 142
Seatpost	X Fusion Manic Composite 30.9mm \| SM = 150mm \| MD = 170mm \| LG - XL = 200mm	Race Face Aeffect R Dropper 30.9mm \| Shimano MT500 Remote \| SM = 125mm \| MD = 150mm \| LG - XL = 175mm
Wheels & tires
Hubs	Front: Novatec D791SB Sealed Boost 15mm; Rear: DT Swiss 370 Boost 148mm \| 18T Star-Ratchet	Front: Rocky Mountain Sealed Boost 15mm; Rear: DT Swiss 370 Boost 148mm
Rims	WTB ST i30 TOUGH TCS 2.0 \| 32H \| Cushcore Trail Tire Inserts \| Lightweight \| Tire & Rim Protection	WTB ST Light i30 TCS 2.0 Tubeless / Tubeless Ready - Tape / Valves Incl
Spokes	DT Swiss Competition 2.0/1.8/2.0	DT Swiss Competition 2.0/1.8/2.0
Front tire	Maxxis Assegai 2.5 WT 3C MaxxGrip EXO+ Tubeless Ready	Maxxis Assegai 2.5 WT 3C MaxxGrip EXO+ Tubeless Ready
Rear tire	Maxxis Minion DHR II 2.4 WT 3C MaxxTerra DD Tubeless Ready	Maxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready
Wheel size	SM: 27.5″; MD/LG/XL: 29″	29"; 27.5"

Specification

2025 Rocky Mountain Altitude Carbon 50

2021 Rocky Mountain Altitude Carbon 50

Overview

Model year

2025

2021

Brand

Rocky Mountain

Model

Altitude Carbon 50

Bicycle type

Mountain

Archive ID

900004694

900004616

Original MSRP

$5,699.00

$5,739.00

Colors

PURPLE/RED

PURPLE/BLACK; BLACK/BROWN

Sizes

SM; MD; LG; XL

MD; LG; XL; SM

Weight

—

31.526 LBS|14.33 KGS

Frameset

Frame construction

SMOOTHWALL™ Carbon. Full Sealed Cartridge Bearings. Press Fit BB. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9™ Adjustable Geometry. 2 Position Axle. 160mm Travel. SMOOTHWALL™ Carbon Rear Triangle

Frame material

Carbon Fiber

Fork

Fox 38 Float EVOL GRIP Performance Series 170mm | 27.5 = 37mm Offset | 29 = 44mm Offset

Fox 36 Float EVOL GRIP Performance Series 170mm | 27.5 = 37mm Offset | 29 = 44mm Offset

Rear shock

Fox Float DPX2 Performance | Sealed Bearing Eyelet | SM = 210x55mm | MD - LG - XL = 230x60mm

Drivetrain

Shifters

Shimano SLX

Rear derailleur

Shimano XT

Crankset

Race Face Aeffect Cinch | 32T | 24mm Spindle | SM = 165mm | MD - XL = 170mm

Race Face Aeffect Cinch | 27.5 = 34T | 29 = 32T

Bottom bracket

Shimano Threaded BBMT501-B

Shimano SM-BBMT500

Cassette

Shimano SLX 10-51T 12spd

Shimano SLX 10-51T

Chain

Shimano M7100

Brakes

Shimano XT Trail 4 Piston | Metal Pads

Shimano XT Trail 4 Piston

Cockpit & contact points

Headset

FSA Orbit NO.57E

Handlebar

Rocky Mountain AM 780mm

Stem

Rocky Mountain 35 AM | 0° Rise | All Sizes = 40mm

Rocky Mountain 35 AM | 40mm

Saddle

WTB Solano Fusion Form 142 | Cromoly Rails

WTB Volt Race 142

Seatpost

X Fusion Manic Composite 30.9mm | SM = 150mm | MD = 170mm | LG - XL = 200mm

Race Face Aeffect R Dropper 30.9mm | Shimano MT500 Remote | SM = 125mm | MD = 150mm | LG - XL = 175mm

Wheels & tires

Hubs

Front: Novatec D791SB Sealed Boost 15mm; Rear: DT Swiss 370 Boost 148mm | 18T Star-Ratchet

Front: Rocky Mountain Sealed Boost 15mm; Rear: DT Swiss 370 Boost 148mm

Rims

WTB ST i30 TOUGH TCS 2.0 | 32H | Cushcore Trail Tire Inserts | Lightweight | Tire & Rim Protection

WTB ST Light i30 TCS 2.0 Tubeless / Tubeless Ready - Tape / Valves Incl

Spokes

DT Swiss Competition 2.0/1.8/2.0

Front tire

Maxxis Assegai 2.5 WT 3C MaxxGrip EXO+ Tubeless Ready

Rear tire

Maxxis Minion DHR II 2.4 WT 3C MaxxTerra DD Tubeless Ready

Maxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready

Wheel size

SM: 27.5″; MD/LG/XL: 29″

29"; 27.5"

Geometry comparison

One selected size or frame position per bicycle, matching the comparison dropdown choices used when Print / PDF was opened.

Measurement	2025 Rocky Mountain Altitude Carbon 50	2021 Rocky Mountain Altitude Carbon 50
Selected size / position	LG · 29″ · POS.1 Slack	LG · 29″ · POS.8
Reach	475 mm	484 mm
Stack	639 mm	631 mm
Effective top tube	610 mm	637 mm
Head-tube angle	63°	65.4°
Seat-tube angle	77°	76.4°
Seat tube	440 mm	445 mm
Head tube	115 mm	110 mm
Chainstay / rear center	450 mm	436 - 447
Wheelbase	1283 mm	1248 mm
Bottom-bracket drop	38 mm	22 mm
Standover height	798 mm	818 mm
Wheel size	29	29

Manufacturer-published archive data. Confirm exact standards and dimensions before ordering parts or performing service. Generated by Velopedia on November 8, 2026.