2026 Silverock STEAM Base L 45cm
Build
20 in (406) × 1.75 in
Insights
Very aggressive stack and reach vs trend of mini-velo/folding bikes
Design deviates from other sizes of Silverock STEAM
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 458.8mm |
| Reach | 412mm |
| Stack to Reach Ratio | 1.11:1 |
| Seat Tube Length, C-T | 450mm |
| Top Tube Length, Effective/Horizontal Center | 545.1mm |
| Top Tube Length, Actual C-C | 540mm |
| Top Tube Slope | 2deg |
| Head Tube Angle | 73deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 220mm |
| Bottom Bracket Drop | -30mm |
| Bottom Bracket Height | 277.5mm |
| Chainstay Length | 395mm |
| Chainstay Length Horizontal | 393.9mm |
| Front-Center | 612.9mm |
| Front-Center Horizontal | 612.1mm |
| Wheelbase | 1006mm |
| Fork Offset/Rake | 45mm |
| Fork Length (On-Axis) | 306.2mm |
| Trail | 28.6mm very low |
| Mechanical Trail | 27.4mm |
| Wheel Flop | 8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 195.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 107.5mm |
Base Build
| Wheel Size | 20 inch (406 BSD, BMX/Kids) (406mm BSD) |
| Tire Width | 1.75in |
| Tire Outer Diameter | 494.9mm |
| Bike Length with Tires | 1500.9mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Disc |
Source:SolidWorks reverseeng. + Aliexpress data