2020 Gunnar Cycles USA RockTour II 29er Base 17.5
Build
650B/27.5 in × 58 mm
Insights
Somewhat aggressive stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of Gunnar Cycles USA RockTour II 29er
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 571mm |
| Reach | 376mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, Unknown | 445mm |
| Top Tube Length, Effective/Horizontal Unknown | 540mm |
| Top Tube Slope | 15.6deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 135mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 285mm |
| Chainstay Length | 450mm |
| Chainstay Length Horizontal | 445.3mm |
| Front-Center | 622mm |
| Front-Center Horizontal | 618.7mm |
| Wheelbase | 1064mm |
| Fork Offset/Rake | 55mm |
| Fork Length (Axle-To-Crown) | 409mm |
| Trail | 68.9mm high |
| Mechanical Trail | 64.7mm |
| Wheel Flop | 22.1mm |
| Standover Height | 751.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 102mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 115mm |
Base Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 58mm |
| Tire Outer Diameter | 700mm |
| Bike Length with Tires | 1764mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:http://gunnarbikes.com/site/rocktourii/