2025 J.Laverack Bicycles Contour Base Extra Large
Build
700C/29 in × 2.2 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 | 631.9mm |
| Reach | 450mm |
| Stack to Reach Ratio | 1.4:1 |
| Seat Tube Length, Effective Unknown | 510mm |
| Top Tube Length, Effective/Horizontal Center | 644.3mm |
| Top Tube Length, Actual C-C | 611.9mm |
| Top Tube Slope | 17deg |
| Head Tube Angle | 69.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 62mm |
| Bottom Bracket Height | 304.9mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 430.6mm |
| Front-Center | 720.2mm |
| Front-Center Horizontal | 717.5mm |
| Wheelbase | 1148.1mm |
| Fork Offset/Rake | 51mm |
| Trail | 82.7mm very high |
| Mechanical Trail | 77.5mm |
| Wheel Flop | 27.1mm |
| Standover Height | 847.4mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 183.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 134.9mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.2in |
| Tire Outer Diameter | 733.8mm |
| Bike Length with Tires | 1881.9mm |
| Stem Length | 90mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Titanium |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 5 ft 11 in to 6 ft 2 in |
Source:https://www.jlaverack.co.uk/contour-range/#1513255300444-459684ae-ec90