2026 Mason Cycles Exposure SRAM 58CM

Build

700C/29 in × 43 mm

Insights

Very upright stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Mason Cycles Exposure

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
604mm
Reach
392.9mm
Stack to Reach Ratio
1.54:1
Seat Tube Length, C-T
580mm
Seat Tube Length, C-C
533.7mm
Top Tube Length, Effective/Horizontal Center
584.2mm
Top Tube Slope
5.1deg
Head Tube Angle
71deg
Seat Tube Angle
72.5deg
Head Tube Length
170mm
Bottom Bracket Drop
73mm
Bottom Bracket Height
281mm
Chainstay Length
435mm
Chainstay Length Horizontal
428.8mm
Front-Center
632.9mm
Front-Center Horizontal
628.7mm
Wheelbase
1057.5mm
Fork Offset/Rake
50mm
Trail
69mm
high
Mechanical Trail
65.3mm
Wheel Flop
21.2mm
Standover Height
82265055mm
Tire to Pedal Spindle Distance
With 172.5 mm cranks
106.4mm
Pedal Spindle to Ground Clearance
With 172.5 mm cranks
108.5mm

SRAM Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
43mm
Tire Outer Diameter
708mm
Bike Length with Tires
1765.5mm
Crank Length
172.5mm
Handlebar Width
46mm
Stem Length
100mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Drop Bar
Frame Material
Steel
Fork Material
Carbon/Composite
Brake Type
Disc