2014 Boulder Bicycle Custom Base

Category
Low-trail
Design
Drop Bar, Rigid, non-suspension corrected
Somewhat upright stack and reachvs category

Geometry

52
Stack
568mm
Reach
361mm
Stack to Reach Ratio
1.57:1
Seat Tube Length, C-C
513mm
Seat Tube Length, Effective Center
515.4mm
Top Tube Length, Effective/Horizontal Center
527mm
Top Tube Length, Actual C-C
517.2mm
Top Tube Slope
4.4deg
Head Tube Angle
72deg
Seat Tube Angle
74deg
Head Tube Length
165mm
Bottom Bracket Drop
67mm
Bottom Bracket Height
267mm
Chainstay Length
440mm
Chainstay Length Horizontal
434.9mm
Front-Center
606.4mm
Front-Center Horizontal
602.6mm
Wheelbase
1037.5mm
Fork Offset/Rake
75mm
Fork Length, Unknown
372mm
Trail
29.7mm
very low
Mechanical Trail
28.2mm
Wheel Flop
8.7mm
Standover Height
80.5mm
Tire to Pedal Spindle
102.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
97mm
170 mm cranks

Base Build

52
Wheel Size
650B/27.5 in
584 mm BSD
Tire Width
42mm
Tire Outer Diameter
668mm
Bike Length with Tires
1705.5mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Low-trail
Source:http://boulderbicycle.bike/