Rocky Mountain Altitude Alloy 70 2021
Bike details
Key information split into simple groups.
Bike summary
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Frame Aluminum
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Wheels 27.5" / 29"
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Travel Front 170mm
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Travel Rear 160mm
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Fork Fox Factory Float 38
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Groupset XT, Race Face
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Suspension Full
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Brakes Hydraulic Disc
Parts list
Main components, grouped by system.
Bike components
Frame
Frame
FORM™ Alloy. Full Sealed Cartridge Bearings. Press Fit BB92. Internal Cable Routing. 2-Bolt ISCG05 Tabs. RIDE-9™ Adjustable Geometry. 2 Position Axle. 160mm Travel. FORM™ Alloy Rear Triangle
Suspension Fork
Fox 38 Float EVOL GRIP2 Factory Series 170mm | 27.5 = 37mm Offset | 29 = 44mm Offset
Rear Shock
Fox Float X2 Factory | Sealed Bearing Eyelet | 25x8mm F Hardware | SM = 210x55mm | MD - LG - XL = 230x60mm | Size-Specific tune in FAQ
Drivetrain
Rear Derailleur
Shimano XT
Shift Levers
Shimano XT
Cassette
Shimano SLX 10-51T
Crank
Race Face Aeffect R Cinch | 27.5 = 34T | 29 = 32T | 24mm Spindle | 170mm Crank Length
Bottom Bracket
Shimano SM-BBMT500
Chain
Shimano M7100
Wheels
Front Hub
Rocky Mountain Sealed Boost 15mm
Rear Hub
DT Swiss 370 Boost 148mm | RMB Axle | 163mm x 12mm x 1.5mm
Rims
Race Face AR 30 | Tubeless Ready - Tape | Valves Incl | 32H
Spokes
DT Swiss Competition 2.0/1.8/2.0
Tires
F: Maxxis Assegai 2.5 WT 3C MaxxGrip EXO+ Tubeless Ready // R: Maxxis Minion DHR II 2.4 WT 3C MaxxTerra EXO+ Tubeless Ready
Brakes
Brakes
Shimano XT Trail 4 Piston | Metal Pads | RT66 203mm F Rotor | RT66 180mm R Rotor
Cockpit
Stem
Rocky Mountain 35 AM | 5° Rise | All Sizes = 40m
Handlebar
Rocky Mountain AM | 780mm Width | 25mm Rise | 9° Backsweep | 5° Upsweep | 35mm Clamp
Grips
Ergon GE1 EVO Lock On
Headset
FSA Orbit NO.57E | 36°x45° Bearings | 30.2mm x 41mm x 7.1mm Upper | 40mm x 51.8mm x 7.5mm Lower | 1.5" Crown Race
Seat
Saddle
WTB Volt Race | Cromoly Rails | 142mm Width
Seatpost
Race Face Aeffect R Dropper 30.9mm | Shimano MT500 Remote | SM = 125mm | MD = 150mm | LG - XL = 175mm
Fit data
Numbers for sizing and ride feel.
| Size | SM Steep | SM Slack | MD Steep | MD Slack | MD Steep | MD Slack | LG Steep | LG Slack | XL Steep | XL Slack |
|---|---|---|---|---|---|---|---|---|---|---|
| Stack Reach Ratio | 1.35 mm | 1.42 mm | 1.31 mm | 1.36 mm | 1.34 mm | 1.39 mm | 1.3 mm | 1.35 mm | 1.25 mm | 1.3 mm |
| Bottom Bracket Height | 351 mm | 335 mm | 350 mm | 336 mm | 355 mm | 340 mm | 355 mm | 340 mm | 355 mm | 340 mm |
| Front Center | 744 mm | 745 mm | 772 mm | 774 mm | 781 mm | 782 mm | 813 mm | 813 mm | 849 mm | 849 mm |
| Rake | 36 mm | 39 mm | 36 mm | 37 mm | 43 mm | 45 mm | 44 mm | 44 mm | 44 mm | 43 mm |
| Trail | 122 mm | 127 mm | 122 mm | 129 mm | 123 mm | 130 mm | 122 mm | 131 mm | 122 mm | 132 mm |
| Stack | 588 mm | 598 mm | 598 mm | 607 mm | 613 mm | 621 mm | 626 mm | 635 mm | 640 mm | 649 mm |
| Reach | 434 mm | 420 mm | 458 mm | 446 mm | 458 mm | 446 mm | 483 mm | 471 mm | 513 mm | 501 mm |
| Top Tube Length | 574 mm | 577 mm | 602 mm | 604 mm | 605 mm | 608 mm | 634 mm | 637 mm | 667 mm | 670 mm |
| Seat Tube Angle | 76.5 ° | 75.4 ° | 76.5 ° | 75.4 ° | 76.5 ° | 75.4 ° | 76.5 ° | 75.4 ° | 76.5 ° | 75.4 ° |
| Seat Tube Length | 380 mm | 380 mm | 420 mm | 420 mm | 420 mm | 420 mm | 445 mm | 445 mm | 480 mm | 480 mm |
| Head Tube Angle | 65.5 ° | 64.4 ° | 65.5 ° | 64.4 ° | 65.5 ° | 64.4 ° | 65.5 ° | 64.4 ° | 65.5 ° | 64.4 ° |
| Head Tube Length | 100 mm | 100 mm | 110 mm | 110 mm | 95 mm | 95 mm | 110 mm | 110 mm | 125 mm | 125 mm |
| Chainstay Length | 422 mm | 425 mm | 423 mm | 425 mm | 433 mm | 435 mm | 433 mm | 435 mm | 433 mm | 435 mm |
| Wheelbase | 1166 mm | 1169 mm | 1195 mm | 1198 mm | 1213 mm | 1215 mm | 1245 mm | 1246 mm | 1281 mm | 1282 mm |
| Bottom Bracket Drop | 4 mm | 20 mm | 5 mm | 19 mm | 19 mm | 34 mm | 19 mm | 34 mm | 19 mm | 34 mm |
| Standover Height | 771 mm | 764 mm | 809 mm | 794 mm | 816 mm | 810 mm | 816 mm | 810 mm | 816 mm | 810 mm |
| Wheels | 27" | 27" | 27" | 27" | 29" | 29" | 29" | 29" | 29" | 29" |
About this model
Altitude Alloy 70 belongs to the Rockymountain Altitude model. 88 bikes variations carry this model name so far. Check out the entire range from 2021 of this model, by clicking this link.
Model range prices
Rocky Mountain Altitude Alloy 30 2021 is the cheapest bike model and costs 3649$. Rocky Mountain Altitude Carbon 99 2021 is the most expensive one and costs 10449$.
Safety
Take safety seriously when you ride your bike, and always wear your helmet. Moreover, don’t ride on the sidewalk. This is actually against the law in some states and can be dangerous for both you and pedestrians.
Average price for Enduro bikes
If you want an acceptable Enduro bike you should know that the average price is 3599$. However, even though the average price of an Enduro bike is lower, you might still be able to get a top-quality bike. To make sure you don’t pay a higher amount than normal for your bike, always do some components analysis and read reviews.
When Rocky Mountain released this model in 2021, its price was 5479$. Doing a quick comparison, we notice that Altitude Alloy 70 price is 52.24% higher than the average cost of an Enduro bike.
Average weight for Enduro bikes
On a deeper look, we notice that the average weight of an Enduro bike is 14.27 kg (31.46 lbs). An easier bike will give you a big advantage in climbs. However, a heavier bike can gain speed when you descend.
Rocky Mountain Altitude Alloy 70 it’s weighing 16.13 kg (35.56 lbs). At this weight, is considerably heavier than average. In conclusion, the average Enduro bike weighs 13.03% less than Altitude Alloy 70.
Internal Cable Routing
It’s also important to mention the internal cable routing that this bike has. In short, this will allow you to keep your bike cables in great condition. Say goodbye to hanging cables.
Altitude Alloy 70 components
Fork
The Altitude Alloy 70 comes factory-installed with the Fox Factory Float 38 fork. This has a travel range of 170mm. Bike forks are good shock absorbers and provide a smooth ride and a great experience. In short, you should always ensure you have a good fork when purchasing a bike.
Rear Shock
Rocky Mountain Altitude Alloy 70 bike has the Fox Float X2 Factory | Sealed model installed, and has a travel of 160mm. Bike rear shocks are a great way to increase comfort on the bike and give you more control when riding on technical trails. In short, a full-suspension bike will give you the smoothest ride possible.
Wheels size
The Altitude Alloy 70 2021 bike is equipped with 27.5″ aluminum wheels when leaving the factory. The 27.5″ wheels are a great choice for smaller riders. However, the overall traction of 27.5″ wheels is lower than 29″ wheels.
Brakes
We ride faster and faster, so a good braking system is essential on a bike nowadays. The Altitude Alloy 70 comes with Hydraulic Disc brakes. These kinds of brakes are among the most popular models used on bikes. To sum up, you can ride your bike with confidence.
Dropper post
Every bike should have a dropper post, and this one does. Therefore, climbing or descending will be a breeze.
