2025 Rock Machine Lukk Cr 80 Base M
Build
700C/29 in × 42 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 567mm |
| Reach | 372mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, Unknown | 520mm |
| Top Tube Length, Effective/Horizontal Unknown | 535mm |
| Top Tube Slope | 7.4deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 147mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 424mm |
| Chainstay Length Horizontal | 417.8mm |
| Front-Center | 610.4mm |
| Front-Center Horizontal | 606.2mm |
| Wheelbase | 1024mm |
| Fork Offset/Rake | 55.5mm |
| Trail | 66.1mm high |
| Mechanical Trail | 62.3mm |
| Wheel Flop | 20.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 87.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1730mm |
| Crank Length | 170mm |
| Handlebar Width | 42065mm |
| Stem Length | 80mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Unknown |
Source:rockmachinebikes.com