2020 Quirk Cycles Mamtor Base

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

Geometry

XXS
XS
S
M
L
XL
Stack
528mm
541mm
560mm
579mm
598mm
617mm
Reach
354mm
364mm
374mm
384mm
394mm
405mm
Stack to Reach Ratio
1.49:1
1.49:1
1.5:1
1.51:1
1.52:1
1.52:1
Seat Tube Length, C-T
480mm
500mm
530mm
550mm
570mm
590mm
Top Tube Length, Effective/Horizontal Unknown
517mm
530mm
546mm
562mm
577mm
594mm
Top Tube Slope
7.9deg
7deg
5.7deg
5.6deg
5.4deg
5.2deg
Head Tube Angle
71deg
72deg
72deg
72deg
72deg
72deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
73deg
Head Tube Length
100mm
110mm
130mm
150mm
170mm
190mm
Bottom Bracket Drop
75mm
75mm
75mm
75mm
75mm
75mm
Bottom Bracket Height
268mm
268mm
268mm
268mm
268mm
268mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
418.3mm
418.3mm
418.3mm
418.3mm
418.3mm
418.3mm
Front-Center
564.7mm
569.6mm
585.5mm
602.4mm
618.2mm
635.1mm
Front-Center Horizontal
559.7mm
564.7mm
580.7mm
597.7mm
613.7mm
630.7mm
Wheelbase
978mm
983mm
999mm
1016mm
1032mm
1049mm
Fork Offset/Rake
47mm
47mm
47mm
47mm
47mm
47mm
Trail
68.4mm
high
62mm
mid/​neutral
62mm
mid/​neutral
62mm
mid/​neutral
62mm
mid/​neutral
62mm
mid/​neutral
Mechanical Trail
64.7mm
59mm
59mm
59mm
59mm
59mm
Wheel Flop
21.1mm
18.2mm
18.2mm
18.2mm
18.2mm
18.2mm
Tire to Pedal Spindle
51.7mm
170 mm cranks
56.6mm
170 mm cranks
72.5mm
170 mm cranks
89.4mm
170 mm cranks
105.2mm
170 mm cranks
122.1mm
170 mm cranks
Pedal Spindle to Ground Clearance
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks
98mm
170 mm cranks

Base Build

XXS
XS
S
M
L
XL
Wheel Size
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
Tire Width
32mm
32mm
32mm
32mm
32mm
32mm
Tire Width Max
40mm
40mm
40mm
40mm
40mm
40mm
Tire Outer Diameter
686mm
686mm
686mm
686mm
686mm
686mm
Bike Length with Tires
1664mm
1669mm
1685mm
1702mm
1718mm
1735mm

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
All-road/Gravel
Source:https://www.quirkcycles.com/mamtor