2026 Rockrider Race 540 Base L
Build
700C/29 in × 2.25 in
Insights
Average stack and reach vs trend of hardtail cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 619mm |
| Reach | 450mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, C-T | 450mm |
| Top Tube Length, Effective/Horizontal HT Top | 622mm |
| Top Tube Slope | 18deg |
| Head Tube Angle | 67.5deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 110mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 308.2mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 425.8mm |
| Front-Center | 728.7mm |
| Front-Center Horizontal | 726.2mm |
| Wheelbase | 1152mm |
| Fork Offset/Rake | 44mm |
| Fork Length, Unknown | 510mm |
| Trail | 104.9mm very high |
| Mechanical Trail | 96.9mm |
| Wheel Flop | 37.1mm |
| Standover Height | 786mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 185.5mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 133.2mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 736.3mm |
| Bike Length with Tires | 1888.3mm |
| Crank Length | 175mm |
| Handlebar Width | 740mm |
| Stem Length | 70mm |
| Stem Angle | -7deg |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Published Sizing Recommendations
| Height | 175 cm to 185 cm |
Source:www.decathlon.fr