2021 Roost Bike Nero Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Titanium
Suspension
140mm fork travel
Features
Disc brake, Single-speed capable
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

Small
Medium
Large
Extra Large
Stack
610mm
623mm
632mm
637mm
Reach
431mm
452mm
475mm
503mm
Stack to Reach Ratio
1.42:1
1.38:1
1.33:1
1.27:1
Top Tube Length, Actual C-C
593mm
617mm
635mm
657mm
Head Tube Angle
65deg
65deg
65deg
65deg
Seat Tube Angle
74deg
74deg
74deg
74deg
Head Tube Length
105mm
120mm
130mm
135mm
Bottom Bracket Drop
50mm
50mm
50mm
50mm
Bottom Bracket Height
322mm
322mm
322mm
322mm
Chainstay Length
425mm
425mm
430mm
435mm
Chainstay Length Horizontal
422.1mm
422.1mm
427.1mm
432.1mm
Front-Center
728.7mm
744.6mm
809.5mm
838.4mm
Front-Center Horizontal
727mm
743mm
807.9mm
836.9mm
Wheelbase
1149mm
1165mm
1235mm
1269mm
Fork Offset/Rake
31.6mm
21.5mm
55.8mm
54.5mm
Fork Length, Unknown
140mm
140mm
140mm
140mm
Trail
138.6mm
very high
149.7mm
very high
111.9mm
very high
113.3mm
very high
Mechanical Trail
125.6mm
135.7mm
101.4mm
102.7mm
Wheel Flop
53.1mm
57.3mm
42.9mm
43.4mm
Tire to Pedal Spindle
186.7mm
170 mm cranks
202.7mm
170 mm cranks
267.5mm
170 mm cranks
296.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
152mm
170 mm cranks
152mm
170 mm cranks
152mm
170 mm cranks
152mm
170 mm cranks

Base Build

Small
Medium
Large
Extra Large
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.4in
2.4in
2.4in
2.4in
Tire Outer Diameter
743.9mm
743.9mm
743.9mm
743.9mm
Bike Length with Tires
1892.9mm
1908.9mm
1978.9mm
2012.9mm

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
Source:https://roostbike.com/products/roost-nero-ti/