2021 Pipedream Cycles Sirius S5 Base Long

Build

700C/29 in × 2.3 in

Insights

Very aggressive stack and reach vs trend of hardtail trail mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
586mm
Reach
465mm
Stack to Reach Ratio
1.26:1
Seat Tube Length, C-T
420mm
Top Tube Length, Effective/Horizontal Center
612mm
Top Tube Slope
17.6deg
Head Tube Angle
65deg
Seat Tube Angle
77.5deg
Head Tube Length
105mm
Bottom Bracket Drop
64mm
Bottom Bracket Height
305.4mm
Chainstay Length
425mm
Chainstay Length Horizontal
420.2mm
Front-Center
757.6mm
Front-Center Horizontal
754.9mm
Wheelbase
1175mm
Fork Offset/Rake
42.1mm
Fork Length (Axle-To-Crown)
485mm
Trail
125.8mm
very high
Mechanical Trail
114mm
Wheel Flop
48.2mm
Tire to Pedal Spindle Distance
With 170 mm cranks
218.1mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
135.4mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.3in
Tire Outer Diameter
738.8mm
Bike Length with Tires
1913.8mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
100mm
Suspension Sag
25%
Frame Material
Steel
Fork Material
N/A
Brake Type
Disc
Features
Single-speed capable
Source:https://www.pipedreamcycles.com/shop/sirius/?v=79cba1185463