2022 Starling Cycles Roost Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Steel
Suspension
140mm fork travel
Features
Disc brake
Very upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

MEDIUM
LARGE
EXTRA LARGE
Stack
660mm
660mm
669mm
Reach
440mm
475mm
505mm
Stack to Reach Ratio
1.5:1
1.39:1
1.32:1
Seat Tube Length, C-T
410mm
440mm
480mm
Top Tube Length, Effective/Horizontal Center
603mm
638mm
671mm
Top Tube Slope
25.9deg
21.8deg
18.1deg
Head Tube Angle
64deg
64deg
64deg
Seat Tube Angle
76deg
76deg
76deg
Head Tube Length
120mm
120mm
130mm
Bottom Bracket Drop
50mm
50mm
50mm
Bottom Bracket Height
327mm
327mm
327mm
Chainstay Length
425mm
430mm
435mm
Chainstay Length Horizontal
422.1mm
427.1mm
432.1mm
Front-Center
781.6mm
816.5mm
851.4mm
Front-Center Horizontal
780mm
814.9mm
849.9mm
Wheelbase
1202mm
1242mm
1282mm
Fork Offset/Rake
46mm
46mm
46mm
Fork Length (On-Axis)
553mm
553mm
553mm
Trail
132.7mm
very high
132.7mm
very high
132.7mm
very high
Mechanical Trail
119.3mm
119.3mm
119.3mm
Wheel Flop
52.3mm
52.3mm
52.3mm
Tire to Pedal Spindle
234.5mm
170 mm cranks
269.4mm
170 mm cranks
304.3mm
170 mm cranks
Pedal Spindle to Ground Clearance
157mm
170 mm cranks
157mm
170 mm cranks
157mm
170 mm cranks

Base Build

MEDIUM
LARGE
EXTRA LARGE
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.6in
2.6in
2.6in
Tire Outer Diameter
754.1mm
754.1mm
754.1mm
Bike Length with Tires
1956.1mm
1996.1mm
2036.1mm

Published Sizing Recommendations

Height
5 ft 6 in
to
5 ft 10 in
5 ft 9 in
to
6 ft 1 in
6 ft 0 in
to
6 ft 4 in

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
Category Trend
Hardtail Trail MTB
Source:https://www.starlingcycles.com/bikes/roost-hardtail/