2019 Giant Bicycles ROAD-E+ 1 PRO Base
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Carbon/Composite
- Features
- Disc brake, E-bike
Geometry
S | M | L | XL | |
Stack | 546.1mm | 563.9mm | 596.9mm | 627.4mm |
Reach | 373.4mm | 375.9mm | 386.1mm | 396.2mm |
Stack to Reach Ratio | 1.46:1 | 1.5:1 | 1.55:1 | 1.58:1 |
Seat Tube Length, Unknown | 444.5mm | 485.1mm | 530.9mm | 563.9mm |
Top Tube Length, Effective/Horizontal Unknown | 530.9mm | 546.1mm | 569mm | 594.4mm |
Top Tube Slope | 13.5deg | 10.9deg | 9.4deg | 9deg |
Head Tube Angle | 71.5deg | 71.5deg | 71.5deg | 71.5deg |
Seat Tube Angle | 74deg | 73.5deg | 73deg | 72.5deg |
Head Tube Length | 94mm | 114.3mm | 149.9mm | 180.3mm |
Bottom Bracket Drop | 71.1mm | 71.1mm | 71.1mm | 71.1mm |
Bottom Bracket Height | 271.9mm | 271.9mm | 271.9mm | 271.9mm |
Chainstay Length | 454.7mm | 454.7mm | 454.7mm | 454.7mm |
Chainstay Length Horizontal | 449.1mm | 449.1mm | 449.1mm | 449.1mm |
Front-Center | 581.5mm | 591.6mm | 614.3mm | 631.9mm |
Front-Center Horizontal | 577.1mm | 587.3mm | 610.1mm | 627.9mm |
Wheelbase | 1026.2mm | 1036.3mm | 1059.2mm | 1077mm |
Fork Offset/Rake | 43.2mm | 43.2mm | 43.2mm | 43.2mm |
Trail | 69.2mm high | 69.2mm high | 69.2mm high | 69.2mm high |
Mechanical Trail | 65.7mm | 65.7mm | 65.7mm | 65.7mm |
Wheel Flop | 20.8mm | 20.8mm | 20.8mm | 20.8mm |
Standover Height | 751.8mm | 784.9mm | 817.9mm | 845.8mm |
Tire to Pedal Spindle | 68.5mm 170 mm cranks | 78.6mm 170 mm cranks | 101.3mm 170 mm cranks | 118.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 101.9mm 170 mm cranks | 101.9mm 170 mm cranks | 101.9mm 170 mm cranks | 101.9mm 170 mm cranks |
Base Build
S | M | 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 |
Tire Width | 32mm | 32mm | 32mm | 32mm |
Tire Outer Diameter | 686mm | 686mm | 686mm | 686mm |
Bike Length with Tires | 1712.2mm | 1722.3mm | 1745.2mm | 1763mm |
Handlebar Width | 15.7in | 16.5in | 16.5in | 17.3in |
Stem Length | 3.5in | 3.9in | 4.3in | 4.3in |
Published Sizing Recommendations
Height | 5 ft 3 in to 5 ft 7 in | 5 ft 7 in to 5 ft 11 in | 5 ft 11 in to 6 ft 3 in | 6 ft 3 in to 6 ft 7 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 ScaleCategory Trend
Endurance RoadSource:https://www.giant-bicycles.com/us/road-eplus-1-pro-2019