2017 Gunnar Cycles USA Fastlane Base 56
Build
700C/29 in × 38 mm
Insights
Somewhat upright stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 601mm |
| Reach | 384mm |
| Stack to Reach Ratio | 1.57:1 |
| Seat Tube Length, C-T | 540mm |
| Top Tube Length, Effective/Horizontal HT Top | 565mm |
| Top Tube Slope | 8.8deg |
| Head Tube Angle | 72.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 146mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 274mm |
| Chainstay Length | 430mm |
| Chainstay Length Max | 430mm |
| Chainstay Length Horizontal | 423.4mm |
| Chainstay Length Horizontal Max | 423.4mm |
| Front-Center | 602.3mm |
| Front-Center Horizontal | 597.6mm |
| Wheelbase | 1021mm |
| Wheelbase Max | 1021mm |
| Fork Offset/Rake | 45mm |
| Fork Length (Axle-To-Crown) | 405mm |
| Trail | 62.9mm mid/neutral |
| Mechanical Trail | 60mm |
| Wheel Flop | 18mm |
| Standover Height | 809mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 83.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 104mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 38mm |
| Tire Outer Diameter | 698mm |
| Bike Length with Tires | 1719mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:Bike Counterculture Geometry Database