2021 (June rev) MASH Steel Frameset

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake, Single-speed capable
Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Somewhat aggressive stack and reachvs category
Very aggressive stack and reachvs category
Very aggressive stack and reachvs category

Geometry

50 Small
53 Medium
55 Large
57 X-Large
60 XX-Large
62 XXX-Large
Stack
502mm
514mm
525mm
549mm
572mm
580mm
Reach
380mm
392mm
404mm
423mm
436mm
448mm
Stack to Reach Ratio
1.32:1
1.31:1
1.3:1
1.3:1
1.31:1
1.29:1
Seat Tube Length, C-T
520mm
540mm
560mm
580mm
600mm
620mm
Seat Tube Length, C-C
485mm
500mm
520mm
540mm
560mm
600mm
Top Tube Length, Effective/Horizontal Center
510mm
530mm
550mm
570mm
600mm
620mm
Top Tube Length, Actual C-C
510mm
530mm
550mm
570mm
600mm
620mm
Top Tube Slope
0deg
0deg
0deg
0deg
0deg
0deg
Head Tube Angle
72.5deg
73.5deg
74deg
74.5deg
75deg
75.5deg
Seat Tube Angle
75.5deg
75deg
74.5deg
74deg
74deg
73.5deg
Head Tube Length
100mm
110mm
120mm
143mm
165mm
172mm
Bottom Bracket Drop
54mm
54mm
54mm
54mm
54mm
54mm
Bottom Bracket Height
297mm
297mm
297mm
297mm
297mm
297mm
Chainstay Length
390mm
390mm
390mm
390mm
390mm
390mm
Chainstay Length Horizontal
386.2mm
386.2mm
386.2mm
386.2mm
386.2mm
386.2mm
Front-Center
555.3mm
562.2mm
572.8mm
593.9mm
608.3mm
617.4mm
Front-Center Horizontal
552.7mm
559.6mm
570.3mm
591.4mm
605.9mm
615mm
Wheelbase
939mm
945.8mm
956.5mm
977.7mm
992.1mm
1001.3mm
Fork Offset/Rake
30mm
30mm
30mm
30mm
30mm
30mm
Fork Length (On-Axis)
380mm
380mm
380mm
380mm
380mm
380mm
Trail
79.2mm
high
72.7mm
high
69.4mm
high
66.2mm
high
63mm
mid/​neutral
59.8mm
mid/​neutral
Mechanical Trail
75.6mm
69.7mm
66.8mm
63.8mm
60.9mm
57.9mm
Wheel Flop
22.7mm
19.8mm
18.4mm
17.1mm
15.8mm
14.5mm
Standover Height
802mm
814mm
825mm
849mm
872mm
880mm
Tire to Pedal Spindle
34.3mm
170 mm cranks
41.2mm
170 mm cranks
51.8mm
170 mm cranks
72.9mm
170 mm cranks
87.3mm
170 mm cranks
96.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
127mm
170 mm cranks
127mm
170 mm cranks
127mm
170 mm cranks
127mm
170 mm cranks
127mm
170 mm cranks
127mm
170 mm cranks

Frameset Build

50 Small
53 Medium
55 Large
57 X-Large
60 XX-Large
62 XXX-Large
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
40mm
40mm
40mm
40mm
40mm
40mm
Tire Width Max
40mm
40mm
40mm
40mm
40mm
40mm
Tire Outer Diameter
702mm
702mm
702mm
702mm
702mm
702mm
Bike Length with Tires
1641mm
1647.8mm
1658.5mm
1679.7mm
1694.1mm
1703.3mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Category Trend
Track/Fixed-gear
Source:https://www.mashsf.com/wp-content/uploads/2021/06/Mash_Steel_GEO_CHART.jpg