2025 Yoeleo Altera G21 DB Base
- Category
- Progressive Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Average stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category | Very upright stack and reachvs category |
Geometry
45 | 45 | 49 | 49 | 52 | 52 | 54 | 54 | 56 | 56 | 58 | 58 | 60 | 60 | |
Stack | 512mm | 512mm | 531mm | 531mm | 549mm | 549mm | 566mm | 566mm | 586mm | 586mm | 611mm | 611mm | 640mm | 640mm |
Reach | 373mm | 373mm | 373mm | 373mm | 379mm | 379mm | 383mm | 383mm | 387mm | 387mm | 390mm | 390mm | 396mm | 396mm |
Stack to Reach Ratio | 1.37:1 | 1.37:1 | 1.42:1 | 1.42:1 | 1.45:1 | 1.45:1 | 1.48:1 | 1.48:1 | 1.51:1 | 1.51:1 | 1.57:1 | 1.57:1 | 1.62:1 | 1.62:1 |
Seat Tube Length, Unknown | 450mm | 450mm | 490mm | 490mm | 520mm | 520mm | 540mm | 540mm | 560mm | 560mm | 580mm | 580mm | 610mm | 610mm |
Top Tube Length, Actual C-C | 510mm | 510mm | 515mm | 515mm | 536.4mm | 536.4mm | 551mm | 551mm | 566mm | 566mm | 577mm | 577mm | 592mm | 592mm |
Top Tube Slope | 9deg | 9deg | 6.6deg | 6.6deg | 5.4deg | 5.4deg | 5.1deg | 5.1deg | 5.2deg | 5.2deg | 5.8deg | 5.8deg | 5.6deg | 5.6deg |
Head Tube Angle | 69deg | 69deg | 69.5deg | 69.5deg | 70deg | 70deg | 70deg | 70deg | 72.2deg | 71deg | 72.3deg | 71deg | 72.6deg | 71deg |
Seat Tube Angle | 75deg | 75deg | 75deg | 75deg | 74deg | 74deg | 73.5deg | 73.5deg | 73deg | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 79mm | 79mm | 98.5mm | 98.5mm | 107mm | 107mm | 134mm | 134mm | 145mm | 145mm | 171mm | 171mm | 200mm | 200mm |
Bottom Bracket Drop | 79mm | 79mm | 79mm | 79mm | 79mm | 79mm | 79mm | 79mm | 79mm | 79mm | 79mm | 79mm | 79mm | 79mm |
Bottom Bracket Height | 280mm | 282mm | 280mm | 282mm | 280mm | 282mm | 280mm | 282mm | 280mm | 282mm | 280mm | 282mm | 280mm | 282mm |
Chainstay Length | 433mm | 433mm | 433mm | 433mm | 433mm | 433mm | 433mm | 433mm | 433mm | 433mm | 433mm | 433mm | 433mm | 433mm |
Chainstay Length Horizontal | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm | 425.7mm |
Front-Center | 594.8mm | 594.8mm | 597.4mm | 597.4mm | 605.3mm | 605.3mm | 615.4mm | 615.4mm | 604.3mm | 616.4mm | 614.2mm | 627.9mm | 626.1mm | 643.7mm |
Front-Center Horizontal | 589.6mm | 589.6mm | 592.2mm | 592.2mm | 600.1mm | 600.1mm | 610.3mm | 610.3mm | 599.1mm | 611.3mm | 609.1mm | 622.9mm | 621.1mm | 638.9mm |
Wheelbase | 1015.3mm | 1015.3mm | 1017.9mm | 1017.9mm | 1025.8mm | 1025.8mm | 1036mm | 1036mm | 1024.9mm | 1037mm | 1034.9mm | 1048.6mm | 1046.8mm | 1064.6mm |
Fork Offset/Rake | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm |
Fork Length (Axle-To-Crown) | — | 401.5mm | — | 401.5mm | — | 401.5mm | — | 401.5mm | — | 401.5mm | — | 401.5mm | — | 401.5mm |
Fork Length, Unknown | 401.5mm | 401.5mm | 401.5mm | 401.5mm | 401.5mm | 401.5mm | 401.5mm | 401.5mm | 401.5mm | 401.5mm | 401.5mm | 401.5mm | 401.5mm | 401.5mm |
Trail | 87.5mm very high | 88.2mm very high | 84.1mm very high | 84.8mm very high | 80.7mm very high | 81.4mm very high | 80.7mm very high | 81.4mm very high | 65.9mm high | 74.6mm high | 65.2mm high | 74.6mm high | 63.3mm mid/​neutral | 74.6mm high |
Mechanical Trail | 81.7mm | 82.4mm | 78.7mm | 79.4mm | 75.8mm | 76.5mm | 75.8mm | 76.5mm | 62.7mm | 70.5mm | 62.2mm | 70.5mm | 60.4mm | 70.5mm |
Wheel Flop | 29.3mm | 29.5mm | 27.6mm | 27.8mm | 25.9mm | 26.2mm | 25.9mm | 26.2mm | 19.2mm | 23mm | 18.9mm | 23mm | 18.1mm | 23mm |
Tire to Pedal Spindle | 65.8mm 170 mm cranks | 63.8mm 170 mm cranks | 68.4mm 170 mm cranks | 66.4mm 170 mm cranks | 76.3mm 170 mm cranks | 74.3mm 170 mm cranks | 86.4mm 170 mm cranks | 84.4mm 170 mm cranks | 75.3mm 170 mm cranks | 85.4mm 170 mm cranks | 85.2mm 170 mm cranks | 96.9mm 170 mm cranks | 97.1mm 170 mm cranks | 112.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 110mm 170 mm cranks | 112mm 170 mm cranks | 110mm 170 mm cranks | 112mm 170 mm cranks | 110mm 170 mm cranks | 112mm 170 mm cranks | 110mm 170 mm cranks | 112mm 170 mm cranks | 110mm 170 mm cranks | 112mm 170 mm cranks | 110mm 170 mm cranks | 112mm 170 mm cranks | 110mm 170 mm cranks | 112mm 170 mm cranks |
Base Build
45 | 45 | 49 | 49 | 52 | 52 | 54 | 54 | 56 | 56 | 58 | 58 | 60 | 60 | |
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 | 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 | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 48mm | 50mm | 48mm | 50mm | 48mm | 50mm | 48mm | 50mm | 48mm | 50mm | 48mm | 50mm | 48mm | 50mm |
Tire Width Max | — | 53mm | — | 53mm | — | 53mm | — | 53mm | — | 53mm | — | 53mm | — | 53mm |
Tire Outer Diameter | 718mm | 722mm | 718mm | 722mm | 718mm | 722mm | 718mm | 722mm | 718mm | 722mm | 718mm | 722mm | 718mm | 722mm |
Bike Length with Tires | 1733.3mm | 1737.3mm | 1735.9mm | 1739.9mm | 1743.8mm | 1747.8mm | 1754mm | 1758mm | 1742.9mm | 1759mm | 1752.9mm | 1770.6mm | 1764.8mm | 1786.6mm |
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
Progressive GravelSource:https://www.yoeleoeurope.com/de/products/altera-g21-gravel-frameset, https://www.yoeleobike.com/en-fr/products/altera-g21-gravel-frameset