2021 Orro Bikes Terra G Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | SM | M | L | XL | |
Stack | 516.6mm | 545.8mm | 574.4mm | 605.7mm | 637.4mm |
Reach | 367.9mm | 377mm | 387.1mm | 396.9mm | 407.3mm |
Stack to Reach Ratio | 1.4:1 | 1.45:1 | 1.48:1 | 1.53:1 | 1.56:1 |
Seat Tube Length, C-T | 459mm | 491mm | 522mm | 552mm | 588mm |
Top Tube Length, Effective/Horizontal HT Top | 502.1mm | 525.5mm | 550.5mm | 578.9mm | 606.9mm |
Top Tube Slope | 8.5deg | 8.1deg | 7.8deg | 7.9deg | 7.5deg |
Head Tube Angle | 72deg | 72.2deg | 72.5deg | 72.7deg | 73deg |
Seat Tube Angle | 75.6deg | 74.9deg | 74.2deg | 73.3deg | 72.6deg |
Head Tube Length | 100mm | 130mm | 160mm | 192mm | 225mm |
Bottom Bracket Drop | 73mm | 73mm | 73mm | 73mm | 73mm |
Bottom Bracket Height | 266mm | 266mm | 266mm | 266mm | 266mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 418.7mm | 418.7mm | 418.7mm | 418.7mm | 418.7mm |
Front-Center | 564.1mm | 580.7mm | 597.4mm | 614.8mm | 632.2mm |
Front-Center Horizontal | 559.3mm | 576.1mm | 592.9mm | 610.4mm | 627.9mm |
Wheelbase | 978mm | 994.8mm | 1011.6mm | 1029.1mm | 1046.6mm |
Fork Offset/Rake | 45mm | 45.1mm | 45.5mm | 45.5mm | 46mm |
Trail | 62.9mm mid/neutral | 61.5mm mid/neutral | 59.2mm mid/neutral | 58mm mid/neutral | 55.6mm mid/neutral |
Mechanical Trail | 59.8mm | 58.6mm | 56.4mm | 55.4mm | 53.2mm |
Wheel Flop | 18.5mm | 17.9mm | 17mm | 16.5mm | 15.5mm |
Tire to Pedal Spindle | 55.1mm 170 mm cranks | 71.7mm 170 mm cranks | 88.4mm 170 mm cranks | 105.8mm 170 mm cranks | 123.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 96mm 170 mm cranks | 96mm 170 mm cranks | 96mm 170 mm cranks | 96mm 170 mm cranks | 96mm 170 mm cranks |
Base Build
XS | SM | 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 | 1656mm | 1672.8mm | 1689.6mm | 1707.1mm | 1724.6mm |
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://www.orrobikes.com/shop/2021-terra-g-105-hydro#size-chart-anchor