2015 Bombtrack Bicycle Company Needle Base Medium
Build
700C/29 in × 23 mm
Insights
Average stack and reach vs trend of track/fixed-gear bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 525mm |
| Reach | 400mm |
| Stack to Reach Ratio | 1.31:1 |
| Seat Tube Length, C-T | 550mm |
| Top Tube Length, Effective/Horizontal Center | 541mm |
| Top Tube Slope | -0.7deg |
| Head Tube Angle | 74.2deg |
| Seat Tube Angle | 75deg |
| Head Tube Length | 120mm |
| Bottom Bracket Drop | 54mm |
| Bottom Bracket Height | 280mm |
| Chainstay Length | 397mm |
| Chainstay Length Horizontal | 393.3mm |
| Front-Center | 572.2mm |
| Front-Center Horizontal | 569.7mm |
| Wheelbase | 963mm |
| Fork Offset/Rake | 35mm |
| Trail | 58.1mm mid/neutral |
| Mechanical Trail | 55.9mm |
| Wheel Flop | 15.2mm |
| Standover Height | 800mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 68.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 110mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 23mm |
| Tire Outer Diameter | 668mm |
| Bike Length with Tires | 1631mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
| Features | Single-speed capable |
Source:http://bombtrack.com/wp-content/uploads/2015/02/bt_completebike_geometrie_table_2015.pdf