2020 Specialized Bicycles Demo Race S4
Build
700C/29 in × 2.6 in
Insights
Average stack and reach vs trend of full-suspension downhill/freeride mtb bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 633mm |
| Reach | 465mm |
| Stack to Reach Ratio | 1.36:1 |
| Seat Tube Length, C-T | 420mm |
| Top Tube Length, Effective/Horizontal Center | 620mm |
| Top Tube Slope | 21.7deg |
| Head Tube Angle | 62.7deg |
| Seat Tube Angle | 76.3deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 25mm |
| Bottom Bracket Height | 352mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 449.3mm |
| Front-Center | 842mm |
| Front-Center Horizontal | 841.7mm |
| Wheelbase | 1291mm |
| Fork Offset/Rake | 56mm |
| Fork Length (Axle-To-Crown) | 607mm |
| Trail | 131.6mm very high |
| Mechanical Trail | 116.9mm |
| Wheel Flop | 53.6mm |
| Standover Height | 760mm |
| Tire to Pedal Spindle Distance With 165 mm cranks | 300mm |
| Pedal Spindle to Ground Clearance With 165 mm cranks | 187mm |
Race Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.6in |
| Tire Outer Diameter | 754.1mm |
| Bike Length with Tires | 2045.1mm |
| Crank Length | 165mm |
| Handlebar Width | 800mm |
| Stem Length | 45mm |
| Suspension Type | Full suspension |
| Bar Type | Flat Bar |
| Fork Travel | 200mm |
| Rear Travel | 200mm |
| Suspension Sag | 25% |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 8 in to 6 ft 4 in |
Source:https://www.specialized.com/us/en/demo-race-29/p/154301?color=226087-154301