2018 Base Silverback Bikes Sirelli Carbon Disc Base XL
Build
700C/29 in × 25 mm
Insights
Somewhat aggressive stack and reach vs trend of performance road bikes
Design deviates from other sizes of Silverback Bikes Sirelli Carbon Disc
Stack and Reach vs. Category Trend
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Geometry
| Stack | 571.6mm |
| Reach | 405.2mm |
| Stack to Reach Ratio | 1.41:1 |
| Seat Tube Length, C-T | 593mm |
| Top Tube Length, Effective/Horizontal HT Top | 580mm |
| Top Tube Slope | 0.5deg |
| Head Tube Angle | 73.5deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 170mm |
| Bottom Bracket Drop | 64mm |
| Bottom Bracket Height | 272mm |
| Chainstay Length | 408mm |
| Chainstay Length Horizontal | 403mm |
| Front-Center | 601.5mm |
| Front-Center Horizontal | 598.1mm |
| Wheelbase | 1001mm |
| Fork Offset/Rake | 43mm |
| Trail | 54.7mm mid/neutral |
| Mechanical Trail | 52.4mm |
| Wheel Flop | 14.9mm |
| Standover Height | 821.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 95.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 102mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 25mm |
| Tire Outer Diameter | 672mm |
| Bike Length with Tires | 1673mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://swishcycles.co.uk/product/silverback-sirelli-disc/