2024 Rocky Mountain Altitude Powerplay A50 Shimano vs 2025 Orange Stage
The S is the Orange Stage size closest to your M Rocky Mountain Altitude Powerplay A50 Shimano. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.
What changes on the Orange Stage
Compared with the Rocky Mountain Altitude Powerplay A50 Shimano in M, the Orange Stage in S places the top of the head tube 13 mm higher and 8 mm further forward, relative to the bottom bracket. Its wheelbase is 39 mm longer, which can contribute to stability at speed.
- Frame stack
- +13 mm
- Higher front end
- Frame reach
- +8 mm
- Longer frame reach
- Wheelbase
- +39 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Rocky Mountain Altitude Powerplay A50 Shimano numbers we have for size M are missing the chainstay length. The numbers below still compare.
Geometry side by side
| Measurement | Rocky Mountain Altitude Powerplay A50 Shimano M | Orange Stage S | Difference |
|---|---|---|---|
| Reach | 450 | 458 | +8 mm |
| Stack | 623 | 636 | +13 mm |
| Head tube angle | 63.5 | 63 | −0.5° |
| Seat tube angle | 75.5 | 76 | +0.5° |
| Wheelbase | 1232 | 1271 | +39 mm |
| Effective top tube | not listed | 605 | |
| Chainstay length | not listed | 468 | |
| BB height | not listed | 338 | |
| Standover | not listed | 706 | |
| Head tube length | not listed | 110 |
Differences are the Orange Stage minus the Rocky Mountain Altitude Powerplay A50 Shimano. Full charts: 2024 Rocky Mountain Altitude Powerplay A50 Shimano, 2025 Orange Stage.
Where each sits in its class
Rocky Mountain Altitude Powerplay A50 ShimanoOrange Stage
Each bike is ranked against the other enduro bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.
What each ships with
The stock build of each bike's first listed trim. Parts that match are dimmed.
| Part | Rocky Mountain Altitude Powerplay A50 ShimanoPowerplay A50 Shimano | Orange Stage7 |
|---|---|---|
| Frame | Rocky Mountain FORM | Orange Stage |
| Fork | RockShox ZEB Select | Fox 38 Float Factory |
| Rear shock | Fox Float X Performance | Fox Float X2 Factory |
| Shifter | Shimano SLX XT | Shimano XT |
| Derailleur | Shimano XT Di2 Wireless | Shimano XT |
| Cassette | Shimano Deore XT | Shimano XT |
| Chain | Shimano Deore M6100 | KMC 12spd |
| Crankset | Race Face Ride | SRAM GX Eagle |
| Chainring | Race Face RIDE | SRAM Eagle |
| Bottom bracket | Shimano SM-BBMT500 | SRAM DUB |
| Motor | Rocky Mountain Dyname 4.0 | not listed |
| Battery | Rocky Mountain Integrated | not listed |
| Wheelset | WTB ST i30 TCS 2.0 | Stan's NoTubes Flow Mk4 + Hope Pro 4 |
| Tire | Maxxis Assegai, Maxxis Minion DHR II DD | Maxxis Minion DHF, Maxxis Minion DHR II |
| Brake | Shimano MT6120 | Shimano XT Trail |
| Handlebar | Rocky Mountain AM | Renthal FatBar M35 |
| Stem | Rocky Mountain 35 AM | Burgtec MK3 Enduro CNC |
| Grips | ODI Elite Pro | Strange Grappler Lock-On |
| Headset | FSA Orbit | Fpd zerostack |
| Dropper post | X-Fusion Manic Alloy | SDG Tellis |
| Saddle | WTB Volt Race | SDG Strange Bel Air III |
| Seatpost | not listed | Fox Transfer |
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