2022 J.Laverack Bicycles R JACK Disc Race Base 54
Build
700C/29 in × 28 mm
Insights
Average stack and reach vs trend of performance road bikes
Design deviates from other sizes of J.Laverack Bicycles R JACK Disc Race
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 541mm |
| Reach | 384mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-T | 515mm |
| Top Tube Length, Effective/Horizontal Center | 549.4mm |
| Top Tube Length, Actual C-C | 532.1mm |
| Top Tube Slope | 7.9deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 140mm |
| Bottom Bracket Drop | 68mm |
| Bottom Bracket Height | 271mm |
| Chainstay Length | 415mm |
| Chainstay Length Horizontal | 409.4mm |
| Front-Center | 582.2mm |
| Front-Center Horizontal | 578.2mm |
| Wheelbase | 987.6mm |
| Fork Offset/Rake | 43mm |
| Trail | 61.8mm mid/neutral |
| Mechanical Trail | 58.9mm |
| Wheel Flop | 17.7mm |
| Standover Height | 758.9mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 73.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 101mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 28mm |
| Tire Outer Diameter | 678mm |
| Bike Length with Tires | 1665.6mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.jlaverack.co.uk/r-jack-disc-titanium-frameset/#1513255300444-459684ae-ec90