2020 Giant Bicycles ROAD-E+ 1 PRO Base
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake, E-bike
Geometry
S | M | XS | L | XL | |
Stack | 549mm | 568mm | 544mm | 606mm | 625mm |
Reach | 387mm | 381mm | 389mm | 389mm | 398mm |
Stack to Reach Ratio | 1.42:1 | 1.49:1 | 1.4:1 | 1.56:1 | 1.57:1 |
Seat Tube Length, C-T | 450mm | 475mm | 425mm | 525mm | 550mm |
Top Tube Length, Effective/Horizontal Center | 545mm | 550mm | 540mm | 575mm | 595mm |
Top Tube Slope | 12.8deg | 12.3deg | 15deg | 10.9deg | 10.1deg |
Head Tube Angle | 72deg | 72deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74deg | 73.5deg | 74.5deg | 73deg | 72.5deg |
Head Tube Length | 110mm | 130mm | 105mm | 170mm | 190mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 273mm | 273mm | 273mm | 273mm | 273mm |
Chainstay Length | 455mm | 455mm | 455mm | 455mm | 455mm |
Chainstay Length Horizontal | 449.6mm | 449.6mm | 449.6mm | 449.6mm | 449.6mm |
Front-Center | 599.5mm | 600.5mm | 599.5mm | 620.4mm | 634.3mm |
Front-Center Horizontal | 595.4mm | 596.4mm | 595.4mm | 616.4mm | 630.4mm |
Wheelbase | 1045mm | 1046mm | 1045mm | 1066mm | 1080mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm | 50mm |
Trail | 58.9mm mid/neutral | 58.9mm mid/neutral | 58.9mm mid/neutral | 58.9mm mid/neutral | 58.9mm mid/neutral |
Mechanical Trail | 56mm | 56mm | 56mm | 56mm | 56mm |
Wheel Flop | 17.3mm | 17.3mm | 17.3mm | 17.3mm | 17.3mm |
Tire to Pedal Spindle | 86.5mm 170 mm cranks | 87.5mm 170 mm cranks | 86.5mm 170 mm cranks | 107.4mm 170 mm cranks | 121.3mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks |
Base Build
S | M | XS | L | 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 |
Tire Width | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Outer Diameter | 686mm | 686mm | 686mm | 686mm | 686mm |
Bike Length with Tires | 1731mm | 1732mm | 1731mm | 1752mm | 1766mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 170mm |
Handlebar Width | 400mm | 420mm | 400mm | 420mm | 440mm |
Stem Length | 90mm | 100mm | 80mm | 110mm | 110mm |
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
Endurance RoadSource:https://geometrygeeks.bike/bike/giant-road-e-1-pro-2020/