2017 Gunnar Cycles USA Rock Tour 29er Base 20.5"
Build
700C/29 in × 2.3 in
Insights
Somewhat upright stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Gunnar Cycles USA Rock Tour 29er
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 614mm |
| Reach | 405mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, C-T | 522mm |
| Top Tube Length, Effective/Horizontal HT Top | 595mm |
| Top Tube Slope | 11.6deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 107mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 299.4mm |
| Chainstay Length | 450mm |
| Chainstay Length Max | 450mm |
| Chainstay Length Horizontal | 444.5mm |
| Chainstay Length Horizontal Max | 444.5mm |
| Front-Center | 631.4mm |
| Front-Center Horizontal | 627.5mm |
| Wheelbase | 1072mm |
| Wheelbase Max | 1072mm |
| Fork Offset/Rake | 39mm |
| Fork Length (Axle-To-Crown) | 466mm |
| Trail | 82.5mm very high |
| Mechanical Trail | 78.2mm |
| Wheel Flop | 24.8mm |
| Standover Height | 840mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 92mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 129.4mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.3in |
| Tire Outer Diameter | 738.8mm |
| Bike Length with Tires | 1810.8mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:Bike Counterculture Geometry Database