2025 Tunk Hike-Use Base 63
Build
700C/29 in × 42 mm
Insights
Design deviates from other sizes of Tunk Hike-Use
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 636mm |
| Reach | 400mm |
| Stack to Reach Ratio | 1.59:1 |
| Seat Tube Length, C-T | 654mm |
| Seat Tube Length, C-C | 629mm |
| Top Tube Length, Effective/Horizontal Center | 600mm |
| Top Tube Length, Actual C-C | 600mm |
| Top Tube Slope | 0deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 194mm |
| Bottom Bracket Drop | 78mm |
| Bottom Bracket Height | 275mm |
| Chainstay Length | 460mm |
| Chainstay Length Horizontal | 453.3mm |
| Front-Center | 643mm |
| Front-Center Horizontal | 638.3mm |
| Wheelbase | 1091.6mm |
| Fork Offset/Rake | 65mm |
| Fork Length (Axle-To-Crown) | 395mm |
| Trail | 40mm low |
| Mechanical Trail | 38.2mm |
| Wheel Flop | 11.2mm |
| Standover Height | 890mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 115mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 100mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 42mm |
| Tire Outer Diameter | 706mm |
| Bike Length with Tires | 1797.6mm |
| Crank Length | 175mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:designer input