2022 Sonder Signal Base
- Category
- Hardtail All-mountain/Enduro MTB
- Design
- Flat Bar, Hardtail (Front suspension)
- Frame
- Steel
- Suspension
- 130mm fork travel
- Features
- Disc brake
Geometry
Small | Medium | Large | X-Large | |
Stack | 601mm | 606mm | 615mm | 624mm |
Reach | 420mm | 440mm | 465mm | 495mm |
Stack to Reach Ratio | 1.43:1 | 1.38:1 | 1.32:1 | 1.26:1 |
Seat Tube Length, C-T | 400mm | 425mm | 465mm | 485mm |
Top Tube Length, Effective/Horizontal HT Top | 585mm | 606mm | 634mm | 664mm |
Top Tube Slope | 22.2deg | 19.5deg | 15.8deg | 14.1deg |
Head Tube Angle | 66deg | 66deg | 66deg | 66deg |
Seat Tube Angle | 74deg | 74deg | 74deg | 74deg |
Head Tube Length | 100mm | 105mm | 115mm | 125mm |
Bottom Bracket Drop | 65mm | 65mm | 65mm | 65mm |
Bottom Bracket Height | 312mm | 312mm | 312mm | 312mm |
Chainstay Length | 425mm | 425mm | 430mm | 435mm |
Chainstay Length Horizontal | 420mm | 420mm | 425.1mm | 430.1mm |
Front-Center | 710mm | 731.9mm | 760.7mm | 792.6mm |
Front-Center Horizontal | 707mm | 729mm | 757.9mm | 789.9mm |
Wheelbase | 1127mm | 1149mm | 1183mm | 1220mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 42mm |
Fork Length (Axle-To-Crown) | 541mm | 541mm | 541mm | 541mm |
Trail | 121.9mm very high | 121.9mm very high | 121.9mm very high | 121.9mm very high |
Mechanical Trail | 111.4mm | 111.4mm | 111.4mm | 111.4mm |
Wheel Flop | 45.3mm | 45.3mm | 45.3mm | 45.3mm |
Standover Height | 730mm | 738mm | 760mm | 772mm |
Tire to Pedal Spindle | 162.9mm 170 mm cranks | 184.9mm 170 mm cranks | 213.7mm 170 mm cranks | 245.5mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 142mm 170 mm cranks | 142mm 170 mm cranks | 142mm 170 mm cranks | 142mm 170 mm cranks |
Base Build
Small | Medium | Large | X-Large | |
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 |
Tire Width | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Width Max | 2.6in | 2.6in | 2.6in | 2.6in |
Tire Outer Diameter | 754.1mm | 754.1mm | 754.1mm | 754.1mm |
Bike Length with Tires | 1881.1mm | 1903.1mm | 1937.1mm | 1974.1mm |
Published Sizing Recommendations
Height | 5 ft 2 in to 5 ft 7 in | 5 ft 6 in to 5 ft 10 in | 5 ft 9 in to 6 ft 2 in | 6 ft 2 in to |
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
Hardtail All-mountain/Enduro MTBSource:https://us.alpkit.com/products/sonder-signal-st-frame