2017 Gunnar Cycles USA Grand Disc Base 66
Build
700C/29 in × 38 mm
Insights
Design deviates from other sizes of Gunnar Cycles USA Grand Disc
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 687mm |
| Reach | 393mm |
| Stack to Reach Ratio | 1.75:1 |
| Seat Tube Length, C-T | 634mm |
| Top Tube Length, Effective/Horizontal HT Top | 610mm |
| Top Tube Slope | 8deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 233mm |
| Bottom Bracket Drop | 80mm |
| Bottom Bracket Height | 269mm |
| Chainstay Length | 460mm |
| Chainstay Length Max | 460mm |
| Chainstay Length Horizontal | 453mm |
| Chainstay Length Horizontal Max | 453mm |
| Front-Center | 634.1mm |
| Front-Center Horizontal | 629mm |
| Wheelbase | 1082mm |
| Wheelbase Max | 1082mm |
| Fork Offset/Rake | 43mm |
| Fork Length (Axle-To-Crown) | 400mm |
| Trail | 65mm mid/neutral |
| Mechanical Trail | 62mm |
| Wheel Flop | 18.6mm |
| Standover Height | 888mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 115.1mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 38mm |
| Tire Outer Diameter | 698mm |
| Bike Length with Tires | 1780mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:Bike Counterculture Geometry Database