2023 Motobecane USA Gravel X Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Steel
Geometry
49 | 52 | 54 | 56 | 58 | 61 | |
Stack | 532mm | 549mm | 567mm | 586mm | 609mm | 638mm |
Reach | 373mm | 379mm | 383mm | 387mm | 391mm | 397mm |
Stack to Reach Ratio | 1.43:1 | 1.45:1 | 1.48:1 | 1.51:1 | 1.56:1 | 1.61:1 |
Seat Tube Length, Unknown | 490mm | 520mm | 540mm | 560mm | 580mm | 610mm |
Top Tube Length, Effective/Horizontal Center | 515mm | 536mm | 551mm | 566mm | 577mm | 592mm |
Top Tube Slope | 6.7deg | 5.4deg | 5.2deg | 5.2deg | 5.5deg | 5.4deg |
Head Tube Angle | 71.4deg | 71.6deg | 71.8deg | 72.2deg | 72.3deg | 72.6deg |
Seat Tube Angle | 75deg | 74deg | 73.5deg | 73deg | 73deg | 73deg |
Head Tube Length | 90mm | 107mm | 126mm | 145mm | 171mm | 200mm |
Bottom Bracket Drop | 78mm | 78mm | 76mm | 76mm | 74mm | 74mm |
Bottom Bracket Height | 271mm | 271mm | 273mm | 273mm | 275mm | 275mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 417.8mm | 417.8mm | 418.2mm | 418.2mm | 418.5mm | 418.5mm |
Front-Center | 582.5mm | 592.4mm | 600.7mm | 606.6mm | 617.9mm | 629.9mm |
Front-Center Horizontal | 577.2mm | 587.2mm | 595.9mm | 601.9mm | 613.5mm | 625.5mm |
Wheelbase | 995mm | 1005mm | 1014mm | 1020mm | 1032mm | 1044mm |
Fork Offset/Rake | 49mm | 49mm | 49mm | 49mm | 49mm | 49mm |
Trail | 65.8mm high | 64.5mm mid/neutral | 63.2mm mid/neutral | 60.6mm mid/neutral | 60mm mid/neutral | 58mm mid/neutral |
Mechanical Trail | 62.3mm | 61.2mm | 60mm | 57.7mm | 57.1mm | 55.4mm |
Wheel Flop | 19.9mm | 19.3mm | 18.7mm | 17.6mm | 17.4mm | 16.6mm |
Standover Height | 749mm | 770mm | 789mm | 808mm | 829mm | 858mm |
Tire to Pedal Spindle | 63.5mm 170 mm cranks | 73.4mm 170 mm cranks | 81.7mm 170 mm cranks | 87.6mm 170 mm cranks | 98.9mm 170 mm cranks | 110.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 101mm 170 mm cranks | 101mm 170 mm cranks | 103mm 170 mm cranks | 103mm 170 mm cranks | 105mm 170 mm cranks | 105mm 170 mm cranks |
Base Build
49 | 52 | 54 | 56 | 58 | 61 | |
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 | 700C/29 in 622 mm BSD |
Tire Width | 38mm | 38mm | 38mm | 38mm | 38mm | 38mm |
Tire Width Max | 40mm | 40mm | 40mm | 40mm | 40mm | 40mm |
Tire Outer Diameter | 698mm | 698mm | 698mm | 698mm | 698mm | 698mm |
Bike Length with Tires | 1693mm | 1703mm | 1712mm | 1718mm | 1730mm | 1742mm |
Crank Length | 170mm | 170mm | 170mm | 170mm | 170mm | 170mm |
Handlebar Width | 400mm | 400mm | 420mm | 420mm | 440mm | 440mm |
Stem Length | 90mm | 90mm | 90mm | 105mm | 105mm | 105mm |
Stem Angle | 10deg | 10deg | 10deg | 10deg | 10deg | 10deg |
Published Sizing Recommendations
Height | 5 ft 1 in to 5 ft 4 in | 5 ft 4 in to 5 ft 7 in | 5 ft 7 in to 5 ft 9 in | 5 ft 9 in to 6 ft 0 in | 6 ft 0 in to 6 ft 2 in | 6 ft 2 in to 6 ft 4 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
All-road/GravelSource:www.bikesdirect.com/products/motobecane/gravel-bikes/gravel-x1-discbrake-gravel-bikes.htm