2022 Pipedream Cycles Sirius S5 120mm Fork Longer
Build
700C/29 in × 2.35 in
Insights
Very aggressive stack and reach vs trend of hardtail trail mtb bikes
Design deviates from other sizes of Pipedream Cycles Sirius S5
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 605mm |
| Reach | 485mm |
| Stack to Reach Ratio | 1.25:1 |
| Seat Tube Length, C-T | 420mm |
| Top Tube Length, Effective/Horizontal Center | 632mm |
| Top Tube Slope | 18.7deg |
| Head Tube Angle | 65deg |
| Seat Tube Angle | 77.5deg |
| Head Tube Length | 105mm |
| Bottom Bracket Drop | 64mm |
| Bottom Bracket Height | 306.7mm |
| Chainstay Length | 425mm |
| Chainstay Length Max | 441mm |
| Chainstay Length Horizontal | 420.2mm |
| Chainstay Length Horizontal Max | 436.3mm |
| Front-Center | 777.5mm |
| Front-Center Horizontal | 774.9mm |
| Wheelbase | 1195mm |
| Wheelbase Max | 1211mm |
| Fork Offset/Rake | 34.1mm |
| Fork Length (Axle-To-Crown) | 530mm |
| Trail | 135.3mm very high |
| Mechanical Trail | 122.6mm |
| Wheel Flop | 51.8mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 236.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 136.7mm |
120mm Fork Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.35in |
| Tire Outer Diameter | 741.4mm |
| Bike Length with Tires | 1936.4mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 120mm |
| Suspension Sag | 0% |
| Frame Material | Steel |
| Fork Material | N/A |
| Brake Type | Disc |
| Features | Single-speed capable |
Published Sizing Recommendations
| Height | 178 cm to 193 cm |
Source:https://www.pipedreamcycles.com/shop/sirius/