2018 Black Mountain Cycles Road+ Base S (47cm)

Build

650B/27.5 x 47 mm

Insights

Somewhat upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Black Mountain Cycles Road+

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
578mm
Reach
372mm
Stack to Reach Ratio
1.55:1
Seat Tube Length, C-T
470mm
Top Tube Length, Effective/Horizontal Center
545mm
Top Tube Slope
14.1deg
Head Tube Angle
72deg
Seat Tube Angle
73.5deg
Head Tube Length
140mm
Bottom Bracket Drop
75mm
Bottom Bracket Height
264mm
Chainstay Length
428mm
Chainstay Length Max
428mm
Chainstay Length Horizontal
421.4mm
Chainstay Length Horizontal Max
421.4mm
Front-Center
604mm
Front-Center Horizontal
598.6mm
Wheelbase
1020mm
Wheelbase Max
1020mm
Fork Offset/Rake
60mm
Fork Length (On-Axis)
390mm
Trail
47.1mm
mid/‚Äčneutral
Mechanical Trail
44.8mm
Wheel Flop
13.8mm
Standover Height
753.5mm
Tire to Pedal Spindle Distance
With 170 mm cranks
95mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
94mm

Base Build

Wheel Size
650B, 27.5 (584mm BSD)
Tire Width
47mm
Tire Outer Diameter
678mm
Bike Length with Tires
1698mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Disc

Published Sizing Recommendations

Height
5 ft 4 in
to
5 ft 8 in
Source:https://blackmtncycles.com/frames/road-plus/, http://blackmtncycles.com/tech-info/mcd-road-frame-geometry/