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