2022 Mason Cycles Exposure Base 48

Build

650B/27.5 in × 55 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Mason Cycles Exposure

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
536.1mm
Reach
359.9mm
Stack to Reach Ratio
1.49:1
Seat Tube Length, C-T
480mm
Top Tube Length, Effective/Horizontal HT Top
515.9mm
Top Tube Slope
8.6deg
Head Tube Angle
69.5deg
Seat Tube Angle
74deg
Head Tube Length
114mm
Bottom Bracket Drop
77mm
Bottom Bracket Height
270mm
Chainstay Length
435mm
Chainstay Length Horizontal
428.1mm
Front-Center
590mm
Front-Center Horizontal
584.9mm
Wheelbase
1013mm
Fork Offset/Rake
50mm
Fork Length (Axle-To-Crown)
398mm
Trail
76.4mm
high
Mechanical Trail
71.5mm
Wheel Flop
25.1mm
Standover Height
741mm
Tire to Pedal Spindle Distance
With 170 mm cranks
73mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
100mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
55mm
Tire Outer Diameter
694mm
Bike Length with Tires
1707mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Carbon/Composite
Brake Type
Disc

Published Sizing Recommendations

Height
151 cm
to
160 cm
Learn More
Source:Mason Cycles