2024 Rocky Mountain Altitude Powerplay A50 Shimano vs 2024 Vitus Sommet CR
The M is the Vitus Sommet CR 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 Vitus Sommet CR
Compared with the Rocky Mountain Altitude Powerplay A50 Shimano in M, the Vitus Sommet CR in M places the top of the head tube 7 mm higher and 6 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +7 mm
- Higher front end
- Frame reach
- −6 mm
- Shorter frame reach
- Wheelbase
- −7 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper 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 | Vitus Sommet CR M | Difference |
|---|---|---|---|
| Reach | 450 | 444 | −6 mm |
| Stack | 623 | 630 | +7 mm |
| Head tube angle | 63.5 | 64 | +0.5° |
| Seat tube angle | 75.5 | 76.5 | +1.0° |
| Wheelbase | 1232 | 1225 | −7 mm |
| Effective top tube | not listed | 597 | |
| Chainstay length | not listed | 435mm | |
| BB drop | not listed | 10mm | |
| Seat tube length | not listed | 410 | |
| Head tube length | not listed | 120mm |
Differences are the Vitus Sommet CR minus the Rocky Mountain Altitude Powerplay A50 Shimano. Full charts: 2024 Rocky Mountain Altitude Powerplay A50 Shimano, 2024 Vitus Sommet CR.
Where each sits in its class
Rocky Mountain Altitude Powerplay A50 ShimanoVitus Sommet CR
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 | Vitus Sommet CR290 CR |
|---|---|---|
| Frame | Rocky Mountain FORM | Vitus Sommet |
| Fork | RockShox ZEB Select | RockShox Domain |
| Rear shock | Fox Float X Performance | RockShox Super Deluxe Select |
| Shifter | Shimano SLX XT | SRAM NX Eagle |
| Derailleur | Shimano XT Di2 Wireless | SRAM NX Eagle SX |
| Cassette | Shimano Deore XT | SRAM SX Eagle |
| Chain | Shimano Deore M6100 | SRAM NX Eagle |
| Crankset | Race Face Ride | SRAM Stylo 6K Eagle Dub |
| Chainring | Race Face RIDE | SRAM Stylo |
| Bottom bracket | Shimano SM-BBMT500 | not listed |
| Motor | Rocky Mountain Dyname 4.0 | not listed |
| Battery | Rocky Mountain Integrated | not listed |
| Wheelset | WTB ST i30 TCS 2.0 | WTB KOM Trail i30 TCS |
| Tire | Maxxis Assegai, Maxxis Minion DHR II DD | Maxxis Assegai, Maxxis Minion DHR II DD |
| Brake | Shimano MT6120 | SRAM DB8 Stealth |
| Handlebar | Rocky Mountain AM | Nukeproof Horizon V2 |
| Stem | Rocky Mountain 35 AM | Nukeproof Neutron AM |
| Grips | ODI Elite Pro | Vitus Lock On |
| Headset | FSA Orbit | Nukeproof ZS44/28.6 and ZS56/40 |
| Dropper post | X-Fusion Manic Alloy | Brand-X Ascend |
| Saddle | WTB Volt Race | Nukeproof Horizon Enduro |
| Rotor | not listed | SRAM CenterLine |
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