2023 Pearson On and On Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
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
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
Average stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

XS
XS
XS
S
S
M
M
L
L
XL
XL
Stack
558mm
542mm
542mm
558mm
578mm
579mm
595mm
598mm
615mm
617mm
645mm
Reach
355mm
365mm
365mm
373mm
375mm
381mm
390mm
390mm
397mm
399mm
400mm
Stack to Reach Ratio
1.57:1
1.48:1
1.48:1
1.5:1
1.54:1
1.52:1
1.53:1
1.53:1
1.55:1
1.55:1
1.61:1
Seat Tube Length, C-T
470mm
470mm
470mm
495mm
495mm
520mm
520mm
545mm
540mm
570mm
565mm
Top Tube Length, Effective/Horizontal HT Top
510mm
521mm
521mm
539mm
536mm
553mm
561mm
568mm
574mm
583mm
586mm
Top Tube Slope
12.4deg
10.3deg
10.4deg
9.2deg
11.3deg
8.7deg
10.2deg
7.9deg
10deg
7.2deg
10.4deg
Head Tube Angle
70.5deg
70.5deg
70.5deg
71deg
70.5deg
71.5deg
70.5deg
71.5deg
70.5deg
71.5deg
70.5deg
Seat Tube Angle
74deg
74deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
73.5deg
Head Tube Length
117mm
110mm
110mm
125mm
137mm
145mm
158mm
165mm
179mm
185mm
211mm
Bottom Bracket Drop
70.5mm
—
—
—
70.5mm
—
68mm
—
68mm
—
68mm
Bottom Bracket Height
285.5mm
—
—
—
285.5mm
—
288mm
—
288mm
—
288mm
Chainstay Length
435mm
435mm
434mm
435mm
435mm
435mm
445mm
435mm
445mm
435mm
445mm
Chainstay Length Horizontal
429.3mm
—
—
—
429.3mm
—
439.8mm
—
439.8mm
—
439.8mm
Front-Center
592mm
—
—
—
621.8mm
—
642.8mm
—
656.8mm
—
670.7mm
Front-Center Horizontal
587.8mm
—
—
—
617.8mm
—
639.2mm
—
653.2mm
—
667.2mm
Wheelbase
1017mm
1011mm
1011mm
1020mm
1047mm
1030mm
1079mm
1046mm
1093mm
1061mm
1107mm
Fork Offset/Rake
58mm
—
—
—
58mm
—
58mm
—
58mm
—
85mm
Trail
64.5mm
mid/​neutral
—
—
—
—
—
—
64.5mm
mid/​neutral
—
—
64.5mm
mid/​neutral
—
—
64.5mm
mid/​neutral
—
—
35.9mm
low
Mechanical Trail
60.8mm
—
—
—
60.8mm
—
60.8mm
—
60.8mm
—
33.8mm
Wheel Flop
20.3mm
—
—
—
20.3mm
—
20.3mm
—
20.3mm
—
11.3mm
Tire to Pedal Spindle
66mm
170 mm cranks
—
170 mm cranks
—
170 mm cranks
—
170 mm cranks
95.8mm
170 mm cranks
—
170 mm cranks
116.8mm
170 mm cranks
—
170 mm cranks
130.8mm
170 mm cranks
—
170 mm cranks
144.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
115.5mm
170 mm cranks
—
170 mm cranks
—
170 mm cranks
—
170 mm cranks
115.5mm
170 mm cranks
—
170 mm cranks
118mm
170 mm cranks
—
170 mm cranks
118mm
170 mm cranks
—
170 mm cranks
118mm
170 mm cranks

Base Build

XS
XS
XS
S
S
M
M
L
L
XL
XL
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
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
45mm
32mm
38mm
32mm
45mm
32mm
45mm
32mm
45mm
32mm
45mm
Tire Width Max
42mm
42mm
50mm
42mm
42mm
42mm
42mm
42mm
42mm
42mm
42mm
Tire Outer Diameter
712mm
686mm
698mm
686mm
712mm
686mm
712mm
686mm
712mm
686mm
712mm
Bike Length with Tires
1729mm
1697mm
1709mm
1706mm
1759mm
1716mm
1791mm
1732mm
1805mm
1747mm
1819mm
Crank Length
—
—
170mm
—
—
—
—
—
—
—
—

Published Sizing Recommendations

Height
158 cm
to
171 cm
158 cm
to
171 cm
158 cm
to
171 cm
172 cm
to
178 cm
172 cm
to
178 cm
178 cm
to
183 cm
178 cm
to
183 cm
183 cm
to
188 cm
183 cm
to
188 cm
188 cm
to
188 cm
to

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://bikerumor.com/wp-content/uploads/2024/01/ATO_GEO_CHART-update-16th-Jan-24-1705405164.1.png, https://www.pearson1860.com/products/on-and-on-carbon-aero-gravel-frameset?variant=42900073447667, https://www.pearson1860.com/products/on-and-on-carbon-aero-gravel-frameset?variant=42900072464627