2026 Pipedream Cycles Sirius S6 CrMo M
Build
700C/29 in × 2.5 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 617mm |
| Reach | 450mm |
| Stack to Reach Ratio | 1.37:1 |
| Seat Tube Length, Unknown | 430mm |
| Top Tube Length, Effective/Horizontal Center | 613mm |
| Top Tube Slope | 19.8deg |
| Head Tube Angle | 66deg |
| Seat Tube Angle | 75deg |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 309.5mm |
| Chainstay Length | 427mm |
| Chainstay Length Horizontal | 422mm |
| Front-Center | 746.8mm |
| Front-Center Horizontal | 744mm |
| Wheelbase | 1166mm |
| Fork Offset/Rake | 44mm |
| Trail | 118.5mm very high |
| Mechanical Trail | 108.3mm |
| Wheel Flop | 44mm |
| Standover Height | 738mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 202.3mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 139.5mm |
CrMo Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.5in |
| Tire Outer Diameter | 749mm |
| Bike Length with Tires | 1915mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Suspension Sag | Unknown |
| Frame Material | Steel |
| Fork Material | Unknown |
| Brake Type | Disc |
Source:www.pipedreamcycles.com