2019 NIU AERO RD-03 Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | M | L | XL | |
Stack | 514mm | 527mm | 544mm | 565mm | 591mm |
Reach | 375mm | 380mm | 384mm | 395mm | 402mm |
Stack to Reach Ratio | 1.37:1 | 1.39:1 | 1.42:1 | 1.43:1 | 1.47:1 |
Seat Tube Length, C-TTT | 480mm | 500mm | 520mm | 540mm | 580mm |
Top Tube Length, Effective/Horizontal Unknown | 507mm | 531mm | 540mm | 562mm | 577mm |
Top Tube Slope | 3.4deg | 3deg | 2.7deg | 2.9deg | 1.6deg |
Head Tube Angle | 72deg | 73deg | 73deg | 74deg | 74deg |
Seat Tube Angle | 75.5deg | 74deg | 74deg | 73.5deg | 73.5deg |
Head Tube Length | 111mm | 122mm | 140mm | 158mm | 185mm |
Bottom Bracket Drop | 74mm | 74mm | 72mm | 72mm | 72mm |
Bottom Bracket Height | 265mm | 265mm | 267mm | 267mm | 267mm |
Chainstay Length | 410mm | 410mm | 410mm | 410mm | 410mm |
Chainstay Length Horizontal | 403.3mm | 403.3mm | 403.6mm | 403.6mm | 403.6mm |
Front-Center | 572mm | 573mm | 579mm | 587mm | 601mm |
Front-Center Horizontal | 567.7mm | 567.7mm | 574.4mm | 582.4mm | 596.4mm |
Wheelbase | 971mm | 971mm | 978mm | 986mm | 1000mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm |
Fork Length, Unknown | 370mm | 370mm | 370mm | 370mm | 370mm |
Trail | 62.8mm mid/neutral | 56.6mm mid/neutral | 56.6mm mid/neutral | 50.4mm mid/neutral | 50.4mm mid/neutral |
Mechanical Trail | 59.8mm | 54.1mm | 54.1mm | 48.4mm | 48.4mm |
Wheel Flop | 18.5mm | 15.8mm | 15.8mm | 13.4mm | 13.4mm |
Tire to Pedal Spindle | 63mm 170 mm cranks | 64mm 170 mm cranks | 70mm 170 mm cranks | 78mm 170 mm cranks | 92mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 95mm 170 mm cranks | 95mm 170 mm cranks | 97mm 170 mm cranks | 97mm 170 mm cranks | 97mm 170 mm cranks |
Base Build
XS | 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 | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1649mm | 1649mm | 1656mm | 1664mm | 1678mm |
Published Sizing Recommendations
Height | 162 cm to 170 cm | 166 cm to 176 cm | 170 cm to 180 cm | 175 cm to 186 cm | 180 cm to 190 cm |
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
Performance RoadSource:https://niuaero.niu.com/road/03