2024 Stinner Frameworks Tunnel UDH Medium
Build
700C/29 in × 2.5 in
Insights
Somewhat upright stack and reach vs trend of hardtail trail mtb bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 644mm |
| Reach | 447mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, C-T | 420mm |
| Top Tube Length, Effective/Horizontal Center | 628mm |
| Head Tube Angle | 66deg |
| Effective Seat Tube Angle, Seat Tube Top | 76deg |
| Head Tube Length | 96mm |
| Bottom Bracket Drop | 60mm |
| Bottom Bracket Height | 314.5mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 425.8mm |
| Front-Center | 758mm |
| Front-Center Horizontal | 755.2mm |
| Wheelbase | 1181mm |
| Fork Offset/Rake | 44mm |
| Fork Length (Axle-To-Crown) | 551mm |
| Trail | 118.6mm very high |
| Mechanical Trail | 108.3mm |
| Wheel Flop | 44.1mm |
| Standover Height | 819mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 213.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 144.5mm |
UDH Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.5in |
| Tire Outer Diameter | 749mm |
| Bike Length with Tires | 1930mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 140mm |
| Suspension Sag | 0% |
| Frame Material | Titanium |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:https://www.stinnerframeworks.com/collections/tunnel-configurator