2018 Black Mountain Cycles Monster Cross Disc 650b S (47cm)

Build

650B/27.5 in × 47 mm

Insights

Very upright stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Black Mountain Cycles Monster Cross Disc

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
589mm
Reach
364mm
Stack to Reach Ratio
1.62:1
Seat Tube Length, C-T
470mm
Top Tube Length, Effective/Horizontal Center
540mm
Top Tube Slope
15.5deg
Head Tube Angle
71.5deg
Seat Tube Angle
73.5deg
Head Tube Length
140mm
Bottom Bracket Drop
72mm
Bottom Bracket Height
267mm
Chainstay Length
438mm
Chainstay Length Max
438mm
Chainstay Length Horizontal
432mm
Chainstay Length Horizontal Max
432mm
Front-Center
599.3mm
Front-Center Horizontal
595mm
Wheelbase
1027mm
Wheelbase Max
1027mm
Fork Offset/Rake
55mm
Fork Length (On-Axis)
410mm
Trail
55.4mm
mid/​neutral
Mechanical Trail
52.6mm
Wheel Flop
16.7mm
Standover Height
778mm
Tire to Pedal Spindle Distance
With 170 mm cranks
90.3mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
97mm

650b Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
47mm
Tire Outer Diameter
678mm
Bike Length with Tires
1705mm
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:http://blackmtncycles.com/tech-info/mcd-road-frame-geometry/