2019 Specialized Stumpjumper EVO Men's Comp Alloy 29 vs 2021 Rocky Mountain Growler
The Rocky Mountain Growler size closest to your S2 is the M. Compare the M instead
What changes on the Rocky Mountain Growler
Compared with the Specialized Stumpjumper EVO Men's Comp Alloy 29 in S2, the Rocky Mountain Growler in S places the top of the head tube 11 mm higher and 20 mm further back, relative to the bottom bracket. Its wheelbase is 37 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +11 mm
- Higher front end
- Frame reach
- −20 mm
- Shorter frame reach
- Wheelbase
- −37 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −8 mm
- Shorter: livelier
The two frames
Specialized Stumpjumper EVO Men's Comp Alloy 29, S2Rocky Mountain Growler, SDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper EVO Men's Comp Alloy 29 S2 | Rocky Mountain Growler S | Difference |
|---|---|---|---|
| Reach | 445mm | 425 | −20 mm |
| Stack | 619mm | 630 | +11 mm |
| Head tube angle | 63.5° | 64 | +0.5° |
| Seat tube angle | 76° | 75 | −1.0° |
| Effective top tube | 599mm | 593 | −6 mm |
| Chainstay length | 443mm | 435 | −8 mm |
| Wheelbase | 1220mm | 1183 | −37 mm |
| BB drop | 47mm | 55 | +8 mm |
| BB height | 328mm | not listed | |
| Standover | 754mm | 779 | +25 mm |
| Seat tube length | 400mm | 380 | −20 mm |
| Fork length | 560mm | not listed | |
| Head tube length | 100mm | 95 | −5 mm |
Differences are the Rocky Mountain Growler minus the Specialized Stumpjumper EVO Men's Comp Alloy 29. Full charts: 2019 Specialized Stumpjumper EVO Men's Comp Alloy 29, 2021 Rocky Mountain Growler.
Where each sits in its class
Specialized Stumpjumper EVO Men's Comp Alloy 29Rocky Mountain Growler
Each bike is ranked against the other trail 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 | Specialized Stumpjumper EVO Men's Comp Alloy 29Men's Comp Alloy 29 | Rocky Mountain Growler20 |
|---|---|---|
| Fork | Fox FLOAT 36 Rhythm | SR Suntour XCM34 |
| Rear shock | Fox Float DPX2 Performance | not listed |
| Shifter | SRAM NX Eagle | Shimano Deore |
| Derailleur | SRAM NX Eagle | Shimano Deore |
| Cassette | SRAM NX Eagle | SunRace CSMS2 |
| Chain | SRAM NX Eagle | KMC X10-1 |
| Crankset | SRAM NX Eagle | Rocky Mountain Microdrive |
| Bottom bracket | SRAM DUB | not listed |
| Tire | Specialized Butcher | Kenda Amrak |
| Rim | Roval Traverse 29 | not listed |
| Brake | SRAM Code R | Tektro HD-M275 |
| Grips | Specialized Sensus Lite | Rocky Mountain Lock On Light |
| Dropper post | X-Fusion Manic | Rocky Mountain 30.9mm |
| Seatpost | X-Fusion Manic | not listed |
| Saddle | Specialized Phenom Comp | WTB Volt |
| Frame | not listed | Rocky Mountain Growler |
| Pedals | not listed | Alloy platform |
| Wheelset | not listed | Shimano MT400 |
| Rotor | not listed | 180mm front and rear |
| Handlebar | not listed | Rocky Mountain AM |
| Stem | not listed | Rocky Mountain XC |
| Headset | not listed | FSA Orbit 57B |
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