2023 Pearson On and On Base
- Category
- All-road/Gravel
- 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 ScaleCategory Trend
All-road/GravelSource: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