2020 Allebike/MB31 Gravel GRX S
Build
700C/29 in × 40 mm
Insights
Average stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Allebike/MB31 Gravel
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 549mm |
| Reach | 395mm |
| Stack to Reach Ratio | 1.39:1 |
| Seat Tube Length, C-T | 492mm |
| Top Tube Length, Effective/Horizontal HT Top | 558mm |
| Top Tube Slope | 8.2deg |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 133mm |
| Bottom Bracket Drop | 75mm |
| Bottom Bracket Height | 276mm |
| Chainstay Length Horizontal | 430mm |
| Front-Center | 603.7mm |
| Front-Center Horizontal | 599mm |
| Wheelbase | 1029mm |
| Fork Offset/Rake | 34.1mm |
| Fork Length (On-Axis) | 395mm |
| Trail | 88.2mm very high |
| Mechanical Trail | 83.1mm |
| Wheel Flop | 27.7mm |
| Tire to Pedal Spindle Distance With 172.5 mm cranks | 80.2mm |
| Pedal Spindle to Ground Clearance With 172.5 mm cranks | 103.5mm |
GRX Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 40mm |
| Tire Outer Diameter | 702mm |
| Bike Length with Tires | 1731mm |
| Crank Length | 172.5mm |
| Handlebar Width | 420mm |
| Stem Length | 70mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 158 cm to 172 cm |
Source:https://www.allebike-sports.com/Allebike/MB31/MB31_Gravel/MB31_Gravel_GRX_Black?id=C50001