2021 Mason Cycles InSearchOf 27.5 x 2.8" 42CM

Build

650B/27.5 in × 2.8 in

Insights

Somewhat upright stack and reach vs trend of off-road touring bikes
Design deviates from other sizes of Mason Cycles InSearchOf

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
608.3mm
Reach
365.8mm
Stack to Reach Ratio
1.66:1
Seat Tube Length, C-T
420mm
Seat Tube Length, C-C
380mm
Top Tube Length, Effective/Horizontal Center
542.3mm
Top Tube Length, Actual C-C
527.3mm
Top Tube Slope
24.7deg
Head Tube Angle
69.5deg
Seat Tube Angle
74deg
Head Tube Length
100mm
Bottom Bracket Drop
76mm
Bottom Bracket Height
287.1mm
Chainstay Length
445mm
Chainstay Length Horizontal
438.5mm
Front-Center
623mm
Front-Center Horizontal
618.2mm
Wheelbase
1056.7mm
Fork Offset/Rake
50mm
Fork Length (On-Axis)
483mm
Trail
82.4mm
very high
Mechanical Trail
77.2mm
Wheel Flop
27mm
Standover Height
740mm
Tire to Pedal Spindle Distance
With 170 mm cranks
89.9mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
117.1mm

27.5 x 2.8" Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.8in
Tire Outer Diameter
726.2mm
Bike Length with Tires
1782.9mm
Crank Length
170mm
Handlebar Width
420mm
Stem Length
70mm
Suspension Type
Rigid, suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
151 cm
to
163 cm
Source:https://masoncycles.cc/ckeditor_assets/attachments/73/insearchof_geom_2018.pdf