2018 Orbea Terra M31-D XS (51)
Build
700C/29 in × 40 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Orbea Terra
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 545mm |
| Reach | 370mm |
| Stack to Reach Ratio | 1.47:1 |
| Seat Tube Length, C-T | 460mm |
| Seat Tube Length, Effective Unknown | 531mm |
| Top Tube Slope | 11.7deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 122mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 281mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 424.3mm |
| Front-Center | 596.9mm |
| Front-Center Horizontal | 592.7mm |
| Wheelbase | 1017mm |
| Fork Offset/Rake | 51mm |
| Fork Length (Axle-To-Crown) | 400mm |
| Trail | 70.2mm high |
| Mechanical Trail | 66.2mm |
| Wheel Flop | 22.1mm |
| Standover Height | 828mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 75.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111mm |
M31-D Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1719mm |
| Crank Length | 170mm |
| Handlebar Width | 420mm |
| Stem Length | 100mm |
| Stem Angle | 8deg |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 153 cm to 165 cm |
Source:https://www.orbea.com/downloads/products/TECHNICAL_MANUAL_TERRA__2017_EN_.pdf