2020 Gunnar Cycles USA Rock Tour II Base 20.5
Build
700C/29 in × 2.3 in
Insights
Somewhat aggressive stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of Gunnar Cycles USA Rock Tour II
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 611mm |
| Reach | 393mm |
| Stack to Reach Ratio | 1.55:1 |
| Seat Tube Length, C-T | 522mm |
| Top Tube Length, Unknown | 580mm |
| Top Tube Slope | 10.4deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 151mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 294.4mm |
| Chainstay Length | 460mm |
| Chainstay Length Horizontal | 453.8mm |
| Front-Center | 647mm |
| Front-Center Horizontal | 643.2mm |
| Wheelbase | 1097mm |
| Fork Offset/Rake | 57mm |
| Fork Length, Unknown | 424mm |
| Trail | 70.4mm high |
| Mechanical Trail | 66.3mm |
| Wheel Flop | 22.1mm |
| Standover Height | 827mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 107.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 124.4mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 738.8mm |
| Bike Length with Tires | 1835.8mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:http://gunnarbikes.com/site/rocktourii/