2026 Silverock STEAM Base

Design
Flat Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Disc brake

Geometry

L 45cm
45cm
Stack
458.8mm
458.8mm
Reach
412mm
412mm
Stack to Reach Ratio
1.11:1
1.11:1
Seat Tube Length, C-T
450mm
450mm
Top Tube Length, Effective/Horizontal Center
545.1mm
Top Tube Length, Effective/Horizontal HT Top
543.5mm
Top Tube Length, Actual C-C
540mm
Top Tube Slope
2deg
0deg
Head Tube Angle
73deg
Seat Tube Angle
74deg
74deg
Head Tube Length
220mm
220mm
Bottom Bracket Drop
-30mm
-30mm
Bottom Bracket Height
277.5mm
824.5mm
Chainstay Length
395mm
395mm
Chainstay Length Horizontal
393.9mm
393.9mm
Front-Center
612.9mm
Front-Center Horizontal
612.1mm
Wheelbase
1006mm
Fork Offset/Rake
45mm
Fork Length (On-Axis)
306.2mm
Fork Length (Axle-To-Crown)
298.1mm
Trail
28.6mm
very low
Mechanical Trail
27.4mm
Wheel Flop
8mm
Tire to Pedal Spindle
195.5mm
170 mm cranks
170 mm cranks
Pedal Spindle to Ground Clearance
107.5mm
170 mm cranks
654.5mm
170 mm cranks

Base Build

L 45cm
45cm
Wheel Size
20 in (406)
406 mm BSD
20 in (406)
406 mm BSD
Tire Width
1.75in
2in
Tire Outer Diameter
494.9mm
1589mm
Bike Length with Tires
1500.9mm

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 Scale
Category Trend
Mini-velo/Folding
Source:SolidWorks reverseeng. + Aliexpress data, aliexpress.ru