2020 Specialized Stumpjumper ST Alloy 29 vs 2021 Commencal Meta HT AM Ride
The M is the Commencal Meta HT AM Ride size closest to your M Specialized Stumpjumper ST Alloy 29. 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 Commencal Meta HT AM Ride
Compared with the Specialized Stumpjumper ST Alloy 29 in M, the Commencal Meta HT AM Ride in M places the top of the head tube 15 mm higher and 5 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm longer, which can contribute to stability at speed.
- Frame stack
- +15 mm
- Higher front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- +7 mm
- Longer: steadier at speed
- Head angle
- −1.5°
- Slacker: calmer steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
Specialized Stumpjumper ST Alloy 29, MCommencal Meta HT AM Ride, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Stumpjumper ST Alloy 29 M | Commencal Meta HT AM Ride M | Difference |
|---|---|---|---|
| Reach | 425mm | 420 | −5 mm |
| Stack | 619mm | 634 | +15 mm |
| Head tube angle | 66.5° | 65 | −1.5° |
| Seat tube angle | 74.5° | 74 | −0.5° |
| Chainstay length | 437mm | 432 | −5 mm |
| Wheelbase | 1171mm | 1178 | +7 mm |
| BB drop | 33mm | 40 | +7 mm |
| BB height | 341mm | not listed | |
| Standover | 762mm | 735 | −27 mm |
| Seat tube length | 410mm | 420 | +10 mm |
| Fork length | 560mm | not listed | |
| Head tube length | 100mm | 120 | +20 mm |
| Effective top tube | not listed | 602 |
Differences are the Commencal Meta HT AM Ride minus the Specialized Stumpjumper ST Alloy 29. Full charts: 2020 Specialized Stumpjumper ST Alloy 29, 2021 Commencal Meta HT AM Ride.
Where each sits in its class
Specialized Stumpjumper ST Alloy 29Commencal Meta HT AM Ride
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 ST Alloy 29 | Commencal Meta HT AM RideRide |
|---|---|---|
| Frame | not listed | Commencal META HT AM |
| Fork | not listed | RockShox 35 RL Gold |
| Shifter | not listed | SRAM SX Eagle |
| Derailleur | not listed | SRAM SX Eagle |
| Cassette | not listed | SRAM SX Eagle |
| Chain | not listed | SRAM NX Eagle |
| Crankset | not listed | SRAM X1 1000 Eagle |
| Chainring | not listed | SRAM 32 |
| Bottom bracket | not listed | SRAM BSA |
| Wheelset | not listed | e*thirteen LG1 EN Base |
| Tire | not listed | Maxxis Dissector |
| Brake | not listed | SRAM Level Ultimate Stealth |
| Rotor | not listed | SRAM G2 CleanSweep |
| Handlebar | not listed | Ride Alpha R27 |
| Stem | not listed | Ride Alpha Freeride |
| Headset | not listed | Acros ZS44/ZS56 |
| Saddle | not listed | SDG Bel Air V3 |
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