2020 Alchemy Bicycles E-Ronin Base

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

Geometry

54
54
56cm
56cm
56cm
58cm
61cm
Stack
562mm
562mm
584mm
584mm
584mm
604mm
624mm
Reach
388mm
388mm
393mm
393mm
393mm
399mm
418mm
Stack to Reach Ratio
1.45:1
1.45:1
1.49:1
1.49:1
1.49:1
1.51:1
1.49:1
Seat Tube Length, C-T
525mm
525mm
—
—
545mm
565mm
580mm
Seat Tube Length, Unknown
—
525mm
545mm
545mm
545mm
565mm
580mm
Top Tube Length, Effective/Horizontal Unknown
549mm
549mm
563mm
563mm
563mm
575mm
601mm
Top Tube Slope
6.1deg
6.1deg
6.4deg
6.4deg
6.4deg
6.4deg
6.6deg
Head Tube Angle
71deg
71deg
71deg
71deg
71deg
71deg
71deg
Seat Tube Angle
74deg
74deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
Head Tube Length
140mm
140mm
160mm
160mm
160mm
180mm
200mm
Bottom Bracket Drop
70mm
70mm
70mm
70mm
70mm
70mm
70mm
Bottom Bracket Height
279mm
279mm
283mm
283mm
283mm
283mm
283mm
Chainstay Length
425mm
425mm
425mm
425mm
425mm
425mm
425mm
Chainstay Length Horizontal
419.2mm
419.2mm
419.2mm
419.2mm
419.2mm
419.2mm
419.2mm
Front-Center
605mm
605mm
610mm
610mm
610mm
620mm
645mm
Front-Center Horizontal
600.8mm
600.8mm
610.8mm
610.8mm
610.8mm
615.8mm
640.8mm
Wheelbase
1020mm
1020mm
1030mm
1030mm
1030mm
1035mm
1060mm
Fork Offset/Rake
41mm
55mm
55mm
55mm
55mm
55mm
55mm
Trail
76.8mm
high
62mm
mid/​neutral
63.4mm
mid/​neutral
63.4mm
mid/​neutral
63.4mm
mid/​neutral
63.4mm
mid/​neutral
63.4mm
mid/​neutral
Mechanical Trail
72.6mm
58.6mm
59.9mm
59.9mm
59.9mm
59.9mm
59.9mm
Wheel Flop
23.6mm
19.1mm
19.5mm
19.5mm
19.5mm
19.5mm
19.5mm
Standover Height
780mm
780mm
800mm
800mm
800mm
820mm
840mm
Tire to Pedal Spindle
86mm
170 mm cranks
86mm
170 mm cranks
87mm
170 mm cranks
87mm
170 mm cranks
87mm
170 mm cranks
97mm
170 mm cranks
117mm
175 mm cranks
Pedal Spindle to Ground Clearance
109mm
170 mm cranks
109mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks
113mm
170 mm cranks
108mm
175 mm cranks

Base Build

54
54
56cm
56cm
56cm
58cm
61cm
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
700C/29 in
622 mm BSD
Tire Width
38mm
38mm
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
698mm
698mm
706mm
706mm
706mm
706mm
706mm
Bike Length with Tires
1718mm
1718mm
1736mm
1736mm
1736mm
1741mm
1766mm
Crank Length
—
—
170mm
170mm
170mm
170mm
175mm
Handlebar Width
—
—
—
—
420mm
420mm
440mm
Stem Length
—
—
—
—
100mm
110mm
110mm

Published Sizing Recommendations

Height
5 ft 6 in
to
5 ft 9 in
5 ft 6 in
to
5 ft 9 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
All-road/Gravel
Source:https://alchemybikes.com/products/eronin-ebike