2027 Commencal SUPREME DH V5.2 ROCKSHOX vs 2025 Trek Session
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Trek Session
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- +83 mm
- Longer: steadier at speed
- Head angle
- −1.3°
- Slacker: calmer steering
- Chainstays
- +5 mm
- Longer: more planted
The two frames
Only the Commencal SUPREME DH V5.2 ROCKSHOX is drawn. The Trek Session numbers we have for size R2 are missing the reach, stack and seat angle.
Geometry side by side
| Measurement | Commencal SUPREME DH V5.2 ROCKSHOX XS High | Trek Session R2 | Difference |
|---|---|---|---|
| Reach | 405 mm | not listed | |
| Stack | 602.5 mm | not listed | |
| Head tube angle | 64.3° | 63 | −1.3° |
| Seat tube angle | 76.8° | not listed | |
| Effective top tube | 546 mm | 618 | +72 mm |
| Chainstay length | 440 mm | 445 | +5 mm |
| Wheelbase | 1194 mm | 1277 | +83 mm |
| BB drop | 3.5 mm | not listed | |
| Seat tube length | 370 mm | not listed | |
| Fork length | 581 mm | not listed | |
| Head tube length | 112 mm | not listed | |
| Standover | not listed | 751 |
Differences are the Trek Session minus the Commencal SUPREME DH V5.2 ROCKSHOX. Full charts: 2027 Commencal SUPREME DH V5.2 ROCKSHOX, 2025 Trek Session.
Where each sits in its class
Commencal SUPREME DH V5.2 ROCKSHOXTrek Session
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
Each bike is ranked against the other downhill 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 | Commencal SUPREME DH V5.2 ROCKSHOXROCKSHOX | Trek Session8 |
|---|---|---|
| Frame | Commencal SUPREME DH V5.2 | Trek Session 8 |
| Fork | RockShox BoXXer Ultimate | RockShox BoXXer |
| Rear shock | RockShox VIVID DH Ultimate | Marzocchi Bomber |
| Shifter | SRAM GX DH | not listed |
| Derailleur | SRAM GX DH | not listed |
| Cassette | SRAM GX DH | SRAM GX DH |
| Chain | SRAM PC1110 | SRAM PC 1110 |
| Crankset | e*thirteen Helix core GR | TruVativ Descendant GX |
| Bottom bracket | Shimano MT800P | not listed |
| Tire | Schwalbe Magic Mary, Schwalbe Tacky Chan | Bontrager G5 Team Issue, Bontrager G5 |
| Hub | DT Swiss 370 Classic LN | not listed |
| Rim | DT Swiss F1900 Classic | not listed |
| Brake | SRAM Maven Bronze | SRAM Code RSC |
| Stem | Ride Alpha DH 40 | Bontrager Line |
| Grips | Ride Alpha Mushroom | not listed |
| Headset | Acros ZS56 ZS56 | not listed |
| Saddle | fizik Gravita Alpaca X5 | Bontrager Arvada |
| Accessory | e*thirteen LG1+ | not listed |
| Chainring | not listed | TruVativ 34 |
| Pedals | not listed | Wellgo BO-87B |
| Wheelset | not listed | Bontrager Line DH 30 |
| Handlebar | not listed | Bontrager Line |
| Seatpost | not listed | Bontrager Rhythm Elite |
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