Rocky Mountain Altitude A50
Specifications
FrameFORM™ Alloy | Full Sealed Cartridge Bearings | Threaded BB | Internal Cable Routing | 2-Bolt ISCG05 Tabs | RIDE-4™ Adjustable Geometry | 160mm Travel | FORM™ Alloy Rear Triangle
ForkFox 38 Float EVOL GRIP Performance Series 170mm | 27.5 = 37mm Offset | 29 = 44mm Offset
Rear ShockFox Float X Performance | Sealed Bearing Eyelet | 40x10mm F Hardware | SM = 210x55mm | MD - LG - XL = 230x60mm | Size-Specific tune in FAQ
HeadsetFSA ZS56/66 Reach Adjust | 0mm Cups Installed | +/- 5mm Cups Included | Sealed Stainless 36°x45° Bearings | 30.2mm x 41mm x 7.1mm Upper | 40mm x 51.8mm x 7.5mm Lower | 1.5" Crown Race
StemRocky Mountain 35 AM | 5° Rise | All Sizes = 40mm
HandelbarRocky Mountain AM | 780mmWidth | 38mm Rise | 9° Backsweep | 5° Upsweep | 35 Clamp
GripsODI Elite Pro Lock On
BrakesShimano SLX Trail 4 Piston | Metal Pads
ShiftersShimano SLX
Rear DerailleurShimano XT
Cranks & ChainringRace Face Aeffect Cinch | 32T | 24mm Spindle | SM = 165mm | MD - XL = 170mm
Bottom BracketShimano Threaded BBMT501-B
CassetteShimano Deore 10-51T 12spd
ChainShimano M6100
Front HubRocky Mountain SL Sealed Boost 15mm
Rear HubShimano XT Boost 148mm
SpokesDT Swiss Competition 2.0/1.8/2.0
RimsWTB ST i30 TOUGH TCS 2.0 | 32H | Tubeless Set Up | Sealant Incl
TiresMaxxis Assegai 2.5 WT 3C MaxxGrip EXO+ Tubeless Ready | Maxxis Minion DHR II 2.4 WT 3C MaxxTerra DD Tubeless Ready | Tubeless Set Up | Sealant Incl
SeatpostX Fusion Manic Composite 30.9mm | SM = 150mm | MD = 170mm | LG - XL = 200mm
SaddleWTB Solano Fusion Form 142 | Cromoly Rails
Geometry
| S - 27.5 | M | L | XL | ||
|---|---|---|---|---|---|
| Slack | Steep | Slack | Steep | Slack | Steep | Slack | Steep | ||
| A | Reach | 424 | 433 | 450 | 458 | 475 | 483 | 505 | 513 |
| B | Stack | 599 | 599 | 630 | 630 | 639 | 640 | 653 | 653 |
| C | Head Tube Angle | 63° | 63.8° | 63° | 63.8° | 63° | 63.8° | 63° | 63.8° |
| D | Bottom Bracket Drop | 24 | 13 | 38 | 27 | 38 | 27 | 38 | 27 |
| E | Wheelbase | 1189 | 1188 | 1244 | 1242 | 1283 | 1282 | 1319 | 1319 |
| F | Rear Centre | 427 | 440 | 450 | 450 |
| G | Head Tube Length | 100 | 105 | 115 | 130 |
| H | Top Tube Length | 553 | 584 | 610 | 642 |
| I | Seat Tube Angle | 77° | 77.8° | 77° | 77.8° | 77° | 77.8° | 77° | 77.8° |
| J | Standover Height | 760 | 768 | 792 | 798 | 798 | 806 | 809 | 817 |
| All measurements in degrees or millimetres | |||||
Sizing Guide
The sizing chart is a great place to start when picking your next bike but everyone will fit a bike a bit differently. Your torso, arm, and leg lengths all play into what size of bike you may need. Plus, there's your own personal preference.
We always recommend swinging by the shop and taking the bike that you're looking for a spin to see how it feels. If you're unable to come by, looking at the geometry of your current bike and comparing it is a good place to start. If you have any further questions, our customer service team is there to help.
| Size | Height | Imperial | Metric |
|---|---|---|
| S | 5'0" - 5'6" | 152.5 - 167cm |
| M | 5'4" - 5'10" | 162.5 - 177.5cm |
| L | 5'8" - 6'2" | 172.5 - 188cm |
| XL | 6'1" - 6'4" | 185 - 193cm |
| XXL | 6'0" - 6'6" | 183 - 198cm |