2012 Gravity Zilla Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, suspension corrected
- Frame
- Aluminum
- Fork
- Steel
- Features
- Disc brake
Geometry
43 | 46.5 | 50 | 53.5 | 55.5 | 58.5 | |
Stack | 396mm | 450.6mm | 484.1mm | 492.4mm | 555.9mm | — |
Reach | 425mm | 414.4mm | 415.1mm | 423.4mm | 409.5mm | — |
Stack to Reach Ratio | 0.93:1 | 1.09:1 | 1.17:1 | 1.16:1 | 1.36:1 | — |
Seat Tube Length, C-T | 430mm | 465mm | 500mm | 535mm | 555mm | 585mm |
Top Tube Length, Effective/Horizontal Center | 540.4mm | 545.5mm | 555.2mm | 565.9mm | 570.2mm | 575.6mm |
Top Tube Length, Actual C-C | 545.7mm | 544.5mm | 554.3mm | 572.7mm | 564.3mm | — |
Top Tube Slope | -1.8deg | 0.4deg | 0.3deg | -2.2deg | 2.2deg | — |
Head Tube Angle | 71deg | 71deg | 72deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 125mm | 140mm | 150mm | 165mm | 185mm | 205mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 75mm | 75mm | 75mm |
Bottom Bracket Height | 280.5mm | 280.5mm | 280.5mm | 280.5mm | 280.5mm | 280.5mm |
Chainstay Length | 445mm | 445mm | 445mm | 445mm | 445mm | 445mm |
Chainstay Length Horizontal | 438.6mm | 438.6mm | 438.6mm | 438.6mm | 438.6mm | 438.6mm |
Front-Center | 610.2mm | 610.2mm | 620.1mm | 620.1mm | 620.1mm | 625.1mm |
Front-Center Horizontal | 605.6mm | 605.6mm | 615.6mm | 615.6mm | 615.6mm | 620.6mm |
Wheelbase | 1044.2mm | 1044.2mm | 1054.2mm | 1054.2mm | 1054.2mm | 1059.2mm |
Fork Length (Axle-To-Crown) | 430mm | 430mm | 430mm | 430mm | 430mm | 430mm |
Trail | — — | — — | — — | — — | — — | — — |
Mechanical Trail | — | — | — | — | — | — |
Wheel Flop | — | — | — | — | — | — |
Tire to Pedal Spindle | 84.7mm 170 mm cranks | 84.7mm 170 mm cranks | 94.7mm 170 mm cranks | 94.7mm 170 mm cranks | 94.7mm 170 mm cranks | 99.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 110.5mm 170 mm cranks | 110.5mm 170 mm cranks | 110.5mm 170 mm cranks | 110.5mm 170 mm cranks | 110.5mm 170 mm cranks | 110.5mm 170 mm cranks |
Base Build
43 | 46.5 | 50 | 53.5 | 55.5 | 58.5 | |
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 | 1.75in | 1.75in | 1.75in | 1.75in | 1.75in | 1.75in |
Tire Width Max | 1.75in | 1.75in | 1.75in | 1.75in | 1.75in | 1.75in |
Tire Outer Diameter | 710.9mm | 710.9mm | 710.9mm | 710.9mm | 710.9mm | 710.9mm |
Bike Length with Tires | 1755.1mm | 1755.1mm | 1765.1mm | 1765.1mm | 1765.1mm | 1770.1mm |
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:https://www.bikesdirect.com/products/gravity/zilla_geometry.html