2019 Mason Cycles InSearchOf 27.5 x 2.8"

Design
Drop Bar, Rigid, suspension corrected
Frame
Steel
Fork
Carbon/Composite
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

42CM
46CM
50CM
54CM
58CM
Stack
608.3mm
619.3mm
628.3mm
637.7mm
656.8mm
Reach
365.8mm
373.8mm
375.7mm
382mm
396.6mm
Stack to Reach Ratio
1.66:1
1.66:1
1.67:1
1.67:1
1.66:1
Seat Tube Length, C-T
420mm
460mm
500mm
540mm
580mm
Seat Tube Length, C-C
380mm
415mm
445mm
490mm
530mm
Top Tube Length, Effective/Horizontal Center
542.3mm
553.2mm
557.6mm
566.6mm
586.5mm
Top Tube Length, Actual C-C
527.3mm
534.3mm
536.4mm
544.7mm
564.7mm
Top Tube Slope
24.7deg
21.6deg
18.2deg
15.2deg
12.7deg
Head Tube Angle
69.5deg
70deg
70deg
70deg
70.5deg
Seat Tube Angle
74deg
74deg
74deg
74deg
74deg
Head Tube Length
100mm
110mm
120mm
130mm
150mm
Bottom Bracket Drop
76mm
75mm
75mm
75mm
73mm
Bottom Bracket Height
287.1mm
288.1mm
288.1mm
288.1mm
290.1mm
Chainstay Length
445mm
445mm
445mm
445mm
445mm
Chainstay Length Horizontal
438.5mm
438.6mm
438.6mm
438.6mm
439mm
Front-Center
623mm
629mm
634mm
644mm
660.4mm
Front-Center Horizontal
618.2mm
625.2mm
630.3mm
640mm
656.3mm
Wheelbase
1056.7mm
1063.8mm
1068.9mm
1078.6mm
1095.3mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
50mm
Fork Length (On-Axis)
483mm
483mm
483mm
483mm
483mm
Trail
82.4mm
very high
79mm
high
79mm
high
79mm
high
75.6mm
high
Mechanical Trail
77.2mm
74.2mm
74.2mm
74.2mm
71.2mm
Wheel Flop
27mm
25.4mm
25.4mm
25.4mm
23.8mm
Standover Height
740mm
765mm
790mm
825mm
790mm
Tire to Pedal Spindle
89.9mm
170 mm cranks
95.9mm
170 mm cranks
100.9mm
170 mm cranks
110.9mm
170 mm cranks
122.3mm
175 mm cranks
Pedal Spindle to Ground Clearance
117.1mm
170 mm cranks
118.1mm
170 mm cranks
118.1mm
170 mm cranks
118.1mm
170 mm cranks
115.1mm
175 mm cranks

27.5 x 2.8" Build

42CM
46CM
50CM
54CM
58CM
Wheel Size
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
650B/27.5
584 mm BSD
Tire Width
2.8in
2.8in
2.8in
2.8in
2.8in
Tire Width Max
2.8in
2.8in
2.8in
2.8in
2.8in
Tire Outer Diameter
726.2mm
726.2mm
726.2mm
726.2mm
726.2mm
Bike Length with Tires
1782.9mm
1790mm
1795.1mm
1804.8mm
1821.5mm
Crank Length
170mm
170mm
170mm
170mm
175mm
Handlebar Width
420mm
440mm
460mm
460mm
480mm
Stem Length
70mm
70mm
80mm
90mm
100mm

Published Sizing Recommendations

Height
151 cm
to
163 cm
162 cm
to
174 cm
170 cm
to
183 cm
180 cm
to
190 cm
188 cm
to
198 cm

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
Off-road Touring
Source:https://masoncycles.cc/ckeditor_assets/attachments/73/insearchof_geom_2018.pdf