2017 All-City Cycles Thunderdome Base 61cm
Build
700C/29 in × 25 mm
Insights
Average stack and reach vs trend of track/fixed-gear bikes
Design deviates from other sizes of All-City Cycles Thunderdome
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 612mm |
| Reach | 435mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-TTT | 606mm |
| Top Tube Length, Effective/Horizontal HT Top | 605mm |
| Top Tube Slope | 0.8deg |
| Head Tube Angle | 75deg |
| Seat Tube Angle | 74.5deg |
| Head Tube Length | 200mm |
| Bottom Bracket Drop | 58mm |
| Bottom Bracket Height | 278mm |
| Chainstay Length | 396mm |
| Chainstay Length Max | 396mm |
| Chainstay Length Horizontal | 391.7mm |
| Chainstay Length Horizontal Max | 391.7mm |
| Front-Center | 617.5mm |
| Front-Center Horizontal | 614.8mm |
| Wheelbase | 1006.5mm |
| Wheelbase Max | 1006.5mm |
| Fork Offset/Rake | 30mm |
| Fork Length (Axle-To-Crown) | 370mm |
| Trail | 59mm mid/neutral |
| Mechanical Trail | 57mm |
| Wheel Flop | 14.7mm |
| Standover Height | 870.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 111.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 108mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 25mm |
| Tire Outer Diameter | 672mm |
| Bike Length with Tires | 1678.5mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Rim |
| Features | Single-speed capable |
Source:Bike Counterculture Geometry Database