2026 Rockrider Race 540 Base
- Category
- Hardtail Cross-country MTB
- Design
- Flat Bar, Hardtail (Front suspension)
Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Average stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat aggressive stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
S | S | S | M | M | M | L | L | XL | XL | XL | |
Stack | 605mm | 605mm | 605mm | 610mm | 610mm | 610mm | 619mm | 619mm | 633mm | 633mm | 633mm |
Reach | 405mm | 405mm | 405mm | 429mm | 429mm | 429mm | 450mm | 450mm | 475mm | 475mm | 475mm |
Stack to Reach Ratio | 1.49:1 | 1.49:1 | 1.49:1 | 1.42:1 | 1.42:1 | 1.42:1 | 1.38:1 | 1.38:1 | 1.33:1 | 1.33:1 | 1.33:1 |
Seat Tube Length, C-T | — | 370mm | — | — | 400mm | — | 450mm | 450mm | — | 520mm | — |
Seat Tube Length, Unknown | 370mm | — | 370mm | 400mm | — | 400mm | — | — | 520mm | — | 520mm |
Top Tube Length, Effective/Horizontal HT Top | — | 590mm | — | — | 604mm | — | 622mm | 622mm | — | 650mm | — |
Top Tube Length, Effective/Horizontal Unknown | 590mm | — | 590mm | 604mm | — | 604mm | — | — | 650mm | — | 650mm |
Top Tube Slope | 26.3deg | 26.3deg | 26.3deg | 22.8deg | 22.8deg | 22.8deg | 18deg | 18deg | 12.1deg | 12.1deg | 12.1deg |
Head Tube Angle | 67.5deg | 67.5deg | 67.5deg | 67.5deg | 67.5deg | 67.5deg | 67.5deg | 67.5deg | 67.5deg | 67.5deg | 67.5deg |
Seat Tube Angle | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg | 75deg |
Head Tube Length | 95mm | 95mm | 95mm | 100mm | 100mm | 100mm | 110mm | 110mm | 125mm | 125mm | 125mm |
Bottom Bracket Drop | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm |
Bottom Bracket Height | 308.2mm | 308.2mm | 308.2mm | 308.2mm | 308.2mm | 308.2mm | 308.2mm | 308.2mm | 306.9mm | 308.2mm | 306.9mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm | 425.8mm |
Front-Center | 677.9mm | 677.9mm | 677.9mm | 703.8mm | 703.8mm | 703.8mm | 728.7mm | 728.7mm | 758.6mm | 758.6mm | 758.6mm |
Front-Center Horizontal | 675.2mm | 675.2mm | 675.2mm | 701.2mm | 701.2mm | 701.2mm | 726.2mm | 726.2mm | 756.2mm | 756.2mm | 756.2mm |
Wheelbase | 1101mm | 1101mm | 1101mm | 1127mm | 1127mm | 1127mm | 1152mm | 1152mm | 1182mm | 1182mm | 1182mm |
Fork Offset/Rake | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm | 44mm |
Fork Length, Unknown | 510mm | 510mm | 510mm | 510mm | 510mm | 510mm | 510mm | 510mm | 510mm | 510mm | 510mm |
Trail | 104.9mm very high | 104.9mm very high | 104.9mm very high | 104.9mm very high | 104.9mm very high | 104.9mm very high | 104.9mm very high | 104.9mm very high | 104.3mm very high | 104.9mm very high | 104.3mm very high |
Mechanical Trail | 96.9mm | 96.9mm | 96.9mm | 96.9mm | 96.9mm | 96.9mm | 96.9mm | 96.9mm | 96.4mm | 96.9mm | 96.4mm |
Wheel Flop | 37.1mm | 37.1mm | 37.1mm | 37.1mm | 37.1mm | 37.1mm | 37.1mm | 37.1mm | 36.9mm | 37.1mm | 36.9mm |
Standover Height | 729mm | 729mm | 729mm | 749mm | 749mm | 749mm | 786mm | 786mm | 831mm | 831mm | 831mm |
Tire to Pedal Spindle | 139.7mm 170 mm cranks | 139.7mm 170 mm cranks | 139.7mm 170 mm cranks | 165.6mm 170 mm cranks | 165.6mm 170 mm cranks | 165.6mm 170 mm cranks | 185.5mm 175 mm cranks | 185.5mm 175 mm cranks | 216.7mm 175 mm cranks | 215.4mm 175 mm cranks | 216.7mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 138.2mm 170 mm cranks | 138.2mm 170 mm cranks | 138.2mm 170 mm cranks | 138.2mm 170 mm cranks | 138.2mm 170 mm cranks | 138.2mm 170 mm cranks | 133.2mm 175 mm cranks | 133.2mm 175 mm cranks | 131.9mm 175 mm cranks | 133.2mm 175 mm cranks | 131.9mm 175 mm cranks |
Base Build
S | S | S | M | M | M | L | L | XL | XL | XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.25in | 2.25in | 2.25in | 2.25in | 2.25in | 2.25in | 2.25in | 2.25in | 2.2in | 2.25in | 2.2in |
Tire Outer Diameter | 736.3mm | 736.3mm | 736.3mm | 736.3mm | 736.3mm | 736.3mm | 736.3mm | 736.3mm | 733.8mm | 736.3mm | 733.8mm |
Bike Length with Tires | 1837.3mm | 1837.3mm | 1837.3mm | 1863.3mm | 1863.3mm | 1863.3mm | 1888.3mm | 1888.3mm | 1915.8mm | 1918.3mm | 1915.8mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm | 175mm | 175mm | 175mm | 175mm | 175mm |
Handlebar Width | 740mm | 740mm | 740mm | 740mm | 740mm | 740mm | 740mm | 740mm | — | 740mm | — |
Stem Length | 60mm | 60mm | 60mm | 60mm | 60mm | 60mm | 70mm | 70mm | 70mm | 70mm | 70mm |
Stem Angle | -7deg | -7deg | -7deg | -7deg | -7deg | -7deg | -7deg | -7deg | — | -7deg | — |
Published Sizing Recommendations
Height | 150 cm to 164 cm | 150 cm to 165 cm | 150 cm to 164 cm | 165 cm to 174 cm | 165 cm to 175 cm | 165 cm to 174 cm | 175 cm to 185 cm | 175 cm to 185 cm | 185 cm to 195 cm | 185 cm to 201 cm | 185 cm to 195 cm |
Stack and Reach vs. Category Trend
Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive
The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.
Learn more about the Upright/Aggressive ScaleCategory Trend
Hardtail Cross-country MTB