2018 Masi Bikes Uno Riser

Design
Flat Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake
Average 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

49
51
53
56
58
Stack
499mm
517mm
534mm
562mm
581mm
Reach
380mm
381mm
387mm
393mm
403mm
Stack to Reach Ratio
1.31:1
1.36:1
1.38:1
1.43:1
1.44:1
Seat Tube Length, C-T
490mm
510mm
530mm
560mm
580mm
Top Tube Length, Effective/Horizontal HT Top
520mm
530mm
545mm
565mm
580mm
Top Tube Slope
3deg
2.9deg
2.8deg
2.7deg
2.6deg
Head Tube Angle
72deg
72.5deg
73deg
73.5deg
74deg
Seat Tube Angle
74.5deg
74deg
73.5deg
73deg
73deg
Head Tube Length
81mm
98mm
113mm
143mm
161mm
Bottom Bracket Drop
70mm
70mm
70mm
68mm
68mm
Bottom Bracket Height
267mm
267mm
267mm
269mm
269mm
Chainstay Length
402mm
402mm
402mm
402mm
402mm
Chainstay Length Horizontal
395.9mm
395.9mm
395.9mm
396.2mm
396.2mm
Front-Center
569.5mm
572.4mm
577.4mm
587.7mm
598.7mm
Front-Center Horizontal
565.1mm
568.1mm
573.1mm
583.8mm
594.8mm
Wheelbase
961mm
964mm
969mm
980mm
991mm
Fork Offset/Rake
45mm
45mm
43mm
43mm
43mm
Trail
62.2mm
mid/​neutral
59.1mm
mid/​neutral
58.1mm
mid/​neutral
55mm
mid/​neutral
51.9mm
mid/​neutral
Mechanical Trail
59.1mm
56.3mm
55.5mm
52.7mm
49.9mm
Wheel Flop
18.3mm
16.9mm
16.2mm
15mm
13.8mm
Standover Height
723mm
743mm
760mm
790mm
810mm
Tire to Pedal Spindle
67.5mm
165 mm cranks
70.4mm
165 mm cranks
75.4mm
165 mm cranks
80.7mm
170 mm cranks
91.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
102mm
165 mm cranks
102mm
165 mm cranks
102mm
165 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks

Riser Build

49
51
53
56
58
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
Tire Width
26mm
26mm
26mm
26mm
26mm
Tire Outer Diameter
674mm
674mm
674mm
674mm
674mm
Bike Length with Tires
1635mm
1638mm
1643mm
1654mm
1665mm
Crank Length
165mm
165mm
165mm
170mm
170mm
Handlebar Width
600mm
600mm
600mm
600mm
600mm
Stem Length
70mm
90mm
90mm
100mm
110mm

Published Sizing Recommendations

Height
5 ft 1 in
to
5 ft 5 in
5 ft 4 in
to
5 ft 7 in
5 ft 6 in
to
5 ft 11 in
5 ft 10 in
to
6 ft 1 in
6 ft 0 in
to
6 ft 4 in

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:Masi Site (Locally saved copy before it disappeared from the site)