2022 Specialized Demo Expert vs 2024 Mondraker Summum
The L is the Mondraker Summum size closest to your S4 Specialized Demo Expert. 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 Mondraker Summum
Compared with the Specialized Demo Expert in S4, the Mondraker Summum in L places the top of the head tube at about the same height and 9 mm further forward, relative to the bottom bracket. Its wheelbase is 16 mm longer, which can contribute to stability at speed.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- +9 mm
- Longer frame reach
- Wheelbase
- +16 mm
- Longer: steadier at speed
- Head angle
- +0.7°
- Steeper: sharper steering
- Chainstays
- +2 mm
- About the same
The two frames
Specialized Demo Expert, S4Mondraker Summum, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Demo Expert S4 | Mondraker Summum L | Difference |
|---|---|---|---|
| Reach | 466mm | 475 mm | +9 mm |
| Stack | 632mm | 632 mm | ±0 mm |
| Head tube angle | 62.8° | 63.5° | +0.7° |
| Seat tube angle | 76.8° | 77° | +0.2° |
| Chainstay length | 448mm | 450 mm | +2 mm |
| Wheelbase | 1279mm | 1295 mm | +16 mm |
| Seat tube length | 420mm | 400 mm | −20 mm |
| Head tube length | 105mm | 112 mm | +7 mm |
| Effective top tube | not listed | 618 mm | |
| BB height | not listed | 350 mm |
Differences are the Mondraker Summum minus the Specialized Demo Expert. Full charts: 2022 Specialized Demo Expert, 2024 Mondraker Summum.
Where each sits in its class
Specialized Demo ExpertMondraker Summum
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 | Specialized Demo ExpertExpert | Mondraker SummumSummum |
|---|---|---|
| Fork | RockShox BoXXer 29 | RockShox Boxxer RC 29 Select |
| Rear shock | RockShox Super Deluxe Select | RockShox Super Deluxe |
| Shifter | SRAM GX DH | SRAM GX DH |
| Derailleur | SRAM GX DH | e*thirteen Vario, SRAM GX DH |
| Cassette | SRAM GX DH | SRAM GX DH |
| Chain | SRAM PC1110 | SRAM PC1110 |
| Crankset | Specialized DESCENDANT DH | SRAM Truvativ Descendant DH |
| Bottom bracket | SRAM DUB | SRAM DUB |
| Tire | Specialized Butcher | Michelin DH34 |
| Brake | SRAM Code RS | SRAM DB 8 |
| Stem | Specialized Descendant | Onoff Krypton DH CNC Integrated FG |
| Saddle | Specialized Henge DH | SDG I-Fly 2.0 I-Beam |
| Hub | not listed | Mavic Boost |
| Rim | not listed | Mavic Deemax BikePark 29 |
| Handlebar | not listed | Onoff Sulfur 1.0 double butted 6061 alloy |
| Grips | not listed | Onoff Twin |
| Headset | not listed | Onoff Mercurium 1.5 ZS for 1-1/8” steerer tube |
| Seatpost | not listed | SDG I-Beam SP-751 |
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