2021 MASH Alleycat AC-2 54 Medium

Build

700C/29 in × 28 mm

Insights

Somewhat aggressive stack and reach vs trend of track/fixed-gear bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
521mm
Reach
405mm
Stack to Reach Ratio
1.29:1
Seat Tube Length, C-T
540mm
Seat Tube Length, C-C
500mm
Top Tube Length, Effective/Horizontal Unknown
540mm
Top Tube Slope
-0.2deg
Head Tube Angle
74.5deg
Seat Tube Angle
75.5deg
Head Tube Length
125mm
Bottom Bracket Drop
54mm
Bottom Bracket Height
285mm
Chainstay Length
389mm
Chainstay Length Horizontal
385.2mm
Front-Center
568.2mm
Front-Center Horizontal
565.6mm
Wheelbase
950.9mm
Fork Offset/Rake
30mm
Fork Length (On-Axis)
368mm
Trail
62.9mm
mid/​neutral
Mechanical Trail
60.6mm
Wheel Flop
16.2mm
Standover Height
806mm
Tire to Pedal Spindle Distance
With 170 mm cranks
59.2mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
115mm

AC-2 Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
28mm
Tire Outer Diameter
678mm
Bike Length with Tires
1628.9mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Flat Bar
Frame Material
Aluminum
Fork Material
Carbon/Composite
Brake Type
Rim
Features
Single-speed capable
Source:https://cdn.shoplightspeed.com/shops/616120/files/22564848/mash-ac-1-frameset-gamma.jpg