2025 Factor Bikes Aluto Base
- Category
- Progressive Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
49 | 52 | 54 | 56 | 58 | 61 | |
Stack | 530mm | 547mm | 565mm | 585mm | 605mm | 625mm |
Reach | 377mm | 385mm | 393mm | 402mm | 412mm | 422mm |
Stack to Reach Ratio | 1.41:1 | 1.42:1 | 1.44:1 | 1.46:1 | 1.47:1 | 1.48:1 |
Seat Tube Length, Unknown | 455mm | 480mm | 505mm | 525mm | 549mm | 549mm |
Top Tube Slope | 10.4deg | 9.4deg | 8.5deg | 8.4deg | 7.9deg | 9.7deg |
Head Tube Angle | 71.5deg | 71.9deg | 72deg | 72deg | 72deg | 73deg |
Seat Tube Angle | 74.5deg | 74deg | 74deg | 73.5deg | 73.5deg | 73.5deg |
Bottom Bracket Drop | 80mm | 80mm | 78mm | 78mm | 78mm | 78mm |
Bottom Bracket Height | 266mm | 266mm | 268mm | 268mm | 268mm | 268mm |
Chainstay Length | 420mm | 420mm | 420mm | 423mm | 425mm | 425mm |
Chainstay Length Horizontal | 412.3mm | 412.3mm | 412.7mm | 415.8mm | 417.8mm | 417.8mm |
Front-Center | 585.8mm | 595.6mm | 608.8mm | 624.2mm | 640mm | 656.9mm |
Front-Center Horizontal | 580.3mm | 590.2mm | 603.8mm | 619.3mm | 635.2mm | 652.2mm |
Wheelbase | 992.6mm | 1002.5mm | 1016.5mm | 1035mm | 1053mm | 1070mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm | 50mm | 50mm |
Trail | 63.1mm mid/neutral | 60.5mm mid/neutral | 59.9mm mid/neutral | 59.9mm mid/neutral | 59.9mm mid/neutral | 53.5mm mid/neutral |
Mechanical Trail | 59.8mm | 57.5mm | 56.9mm | 56.9mm | 56.9mm | 51.2mm |
Wheel Flop | 19mm | 17.9mm | 17.6mm | 17.6mm | 17.6mm | 15mm |
Standover Height | 749.5mm | 770mm | 793mm | 812mm | 833mm | 850.5mm |
Tire to Pedal Spindle | 69.8mm 170 mm cranks | 79.6mm 170 mm cranks | 92.8mm 170 mm cranks | 108.2mm 170 mm cranks | 124mm 170 mm cranks | 140.9mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 96mm 170 mm cranks | 96mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 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 | 35mm | 35mm | 35mm | 35mm | 35mm | 35mm |
Tire Width Max | 47mm | 47mm | 47mm | 47mm | 47mm | 47mm |
Tire Outer Diameter | 692mm | 692mm | 692mm | 692mm | 692mm | 692mm |
Bike Length with Tires | 1684.6mm | 1694.5mm | 1708.5mm | 1727mm | 1745mm | 1762mm |
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://factorbikes.com/bike-builder/aluto-standard-package