2024 Sour Bicycles Crumble Base
- Category
- Hardtail Trail MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 130mm fork travel
Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry | Somewhat upright stack and reachvs category Suspension sag unknown Geometry may mis-represent actual riding geometry |
Geometry
m | xl | xl | |
Stack | 647mm | 654mm | 654mm |
Reach | 462mm | 491mm | 491mm |
Stack to Reach Ratio | 1.4:1 | 1.33:1 | 1.33:1 |
Seat Tube Length, C-T | 410mm | 510mm | 510mm |
Top Tube Length, Effective/Horizontal HT Top | 632mm | 667mm | 667mm |
Top Tube Slope | — | 14.5deg | — |
Head Tube Angle | 65deg | 65deg | 65deg |
Seat Tube Angle | — | 75deg | — |
Seat Tube Angle, Unknown | 75deg | — | 75deg |
Head Tube Length | 100mm | 110mm | 110mm |
Bottom Bracket Drop | 65mm | 65mm | 65mm |
Bottom Bracket Height | 307mm | 309.5mm | 309.5mm |
Chainstay Length | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 425.1mm | 425.1mm | 425.1mm |
Front-Center | 778.7mm | 816.5mm | 816.5mm |
Front-Center Horizontal | 775.9mm | 813.9mm | 813.9mm |
Wheelbase | 1201mm | 1239mm | 1239mm |
Fork Offset/Rake | 43mm | 43mm | 43mm |
Fork Length (Axle-To-Crown) | 541mm | 541mm | 541mm |
Trail | 126mm very high | 127.2mm very high | 127.2mm very high |
Mechanical Trail | 114.2mm | 115.3mm | 115.3mm |
Wheel Flop | 48.3mm | 48.7mm | 48.7mm |
Tire to Pedal Spindle | 236.7mm 170 mm cranks | 272mm 170 mm cranks | 272mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 137mm 170 mm cranks | 139.5mm 170 mm cranks | 139.5mm 170 mm cranks |
Base Build
m | xl | xl | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.4in | 2.5in | 2.5in |
Tire Outer Diameter | 743.9mm | 749mm | 749mm |
Bike Length with Tires | 1944.9mm | 1988mm | 1988mm |
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 Trail MTBSource:https://sour.bike/wp-content/uploads/2024/10/Crumble-Geo-2048x999.jpg, https://sour.bike/bikes/mtb/crumble/