2018 Polygon Bikes Sierra Deluxe Sport Gent

Category
Comfort
Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Suspension
63mm fork travel
Features
Rim brake
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

M
Stack
610mm
Reach
409mm
Stack to Reach Ratio
1.49:1
Seat Tube Length, Unknown
480mm
Top Tube Length, Effective/Horizontal Unknown
590mm
Top Tube Slope
15.4deg
Head Tube Angle
69deg
Seat Tube Angle
73.5deg
Head Tube Length
135mm
Bottom Bracket Drop
50mm
Bottom Bracket Height
301mm
Chainstay Length
460mm
Chainstay Length Horizontal
457.3mm
Front-Center
671.1mm
Front-Center Horizontal
669.2mm
Wheelbase
1126.5mm
Fork Offset/Rake
42.3mm
Trail
89.5mm
very high
Mechanical Trail
83.5mm
Wheel Flop
29.9mm
Standover Height
777mm
Tire to Pedal Spindle
150.1mm
170 mm cranks
Pedal Spindle to Ground Clearance
131mm
170 mm cranks

Deluxe Sport Gent Build

M
Wheel Size
700C/29 in
622 mm BSD
Tire Width
40mm
Tire Outer Diameter
702mm
Bike Length with Tires
1828.5mm
Crank Length
170mm
Handlebar Width
680mm

Published Sizing Recommendations

Height
160 cm
to
170 cm

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
Comfort
Source:https://www.polygonbikes.com/id/sierra-ds-gent/