2021 Mason Cycles InSearchOf 27.5 x 2.8" 50CM

Build

650B/27.5 in × 2.8 in

Insights

Somewhat upright stack and reach vs trend of off-road touring bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
628.3mm
Reach
375.7mm
Stack to Reach Ratio
1.67:1
Seat Tube Length, C-T
500mm
Seat Tube Length, C-C
445mm
Top Tube Length, Effective/Horizontal Center
557.6mm
Top Tube Length, Actual C-C
536.4mm
Top Tube Slope
18.2deg
Head Tube Angle
70deg
Seat Tube Angle
74deg
Head Tube Length
120mm
Bottom Bracket Drop
75mm
Bottom Bracket Height
288.1mm
Chainstay Length
445mm
Chainstay Length Horizontal
438.6mm
Front-Center
634mm
Front-Center Horizontal
630.3mm
Wheelbase
1068.9mm
Fork Offset/Rake
50mm
Fork Length (On-Axis)
483mm
Trail
79mm
high
Mechanical Trail
74.2mm
Wheel Flop
25.4mm
Standover Height
790mm
Tire to Pedal Spindle Distance
With 170 mm cranks
100.9mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
118.1mm

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
1795.1mm
Crank Length
170mm
Handlebar Width
460mm
Stem Length
80mm
Suspension Type
Rigid, suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
170 cm
to
183 cm
Source:https://masoncycles.cc/ckeditor_assets/attachments/73/insearchof_geom_2018.pdf