2020 Stiff Bicycles Gravel Frontier

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Carbon/Composite
Fork
Carbon/Composite
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category
Average stack and reachvs category

Geometry

S
M
L
XL
Stack
581.5mm
597.7mm
609.4mm
628.3mm
Reach
369.6mm
379.4mm
387.6mm
396.5mm
Stack to Reach Ratio
1.57:1
1.58:1
1.57:1
1.58:1
Seat Tube Length, C-T
500mm
520mm
540mm
560mm
Top Tube Length, Effective/Horizontal HT Top
545mm
560mm
575mm
590mm
Top Tube Slope
11.3deg
10.7deg
9.7deg
9.4deg
Head Tube Angle
70.7deg
71.2deg
71.2deg
71.2deg
Seat Tube Angle
73.2deg
73.2deg
72.9deg
72.9deg
Head Tube Length
135mm
150mm
165mm
185mm
Bottom Bracket Drop
82.5mm
82.5mm
80mm
80mm
Bottom Bracket Height
278.5mm
278.5mm
281mm
281mm
Chainstay Length
435mm
435mm
435mm
435mm
Chainstay Length Horizontal
427.1mm
427.1mm
427.6mm
427.6mm
Front-Center
602mm
613mm
625mm
640mm
Front-Center Horizontal
596.9mm
606.9mm
619.4mm
635.4mm
Wheelbase
1024mm
1034mm
1047mm
1063mm
Fork Offset/Rake
50mm
50mm
50mm
50mm
Fork Length (On-Axis)
411mm
411mm
411mm
411mm
Trail
73.4mm
high
70.1mm
high
70.1mm
high
70.1mm
high
Mechanical Trail
69.3mm
66.3mm
66.3mm
66.3mm
Wheel Flop
22.9mm
21.4mm
21.4mm
21.4mm
Tire to Pedal Spindle
71mm
170 mm cranks
82mm
170 mm cranks
94mm
170 mm cranks
109mm
170 mm cranks
Pedal Spindle to Ground Clearance
108.5mm
170 mm cranks
108.5mm
170 mm cranks
111mm
170 mm cranks
111mm
170 mm cranks

Frontier Build

S
M
L
XL
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
50mm
50mm
50mm
50mm
Tire Width Max
50mm
50mm
50mm
50mm
Tire Outer Diameter
722mm
722mm
722mm
722mm
Bike Length with Tires
1746mm
1756mm
1769mm
1785mm

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
All-road/Gravel
Source:https://shop.stiffbicycles.com/produit/gravel-frontier/