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Curve Cycling
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AIR Kev

2023 [Batch #1] Curve Cycling AIR Kev Frameset

Category
All-road/Gravel
Design
Drop Bar, Rigid, non-suspension corrected
Frame
Titanium
Fork
Carbon/Composite
Features
Disc brake
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XXS
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XS
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SM
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MD
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LG
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XL
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XXL
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Somewhat upright stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Average stack and reachvs category
Somewhat aggressive stack and reachvs category
Average stack and reachvs category

Geometry

XXS
XS
SM
MD
LG
XL
XXL
Stack
551mm
554mm
566mm
576mm
589mm
608mm
646mm
Reach
359mm
370mm
380mm
386mm
392mm
402mm
405mm
Stack to Reach Ratio
1.53:1
1.5:1
1.49:1
1.49:1
1.5:1
1.51:1
1.6:1
Seat Tube Length, C-T
466mm
509mm
540mm
572mm
592mm
607mm
626mm
Top Tube Length, Effective/Horizontal Center
527mm
540mm
552mm
562mm
573mm
587mm
603mm
Top Tube Slope
12deg
7.4deg
5.3deg
3deg
2.3deg
2.7deg
4.6deg
Head Tube Angle
70.6deg
70.6deg
71.1deg
71.1deg
71.6deg
71.6deg
71.6deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
73deg
73deg
Head Tube Length
110mm
115mm
125mm
136mm
150mm
170mm
210mm
Bottom Bracket Drop
72mm
70mm
70mm
70mm
68mm
68mm
68mm
Bottom Bracket Height
285.5mm
287.5mm
287.5mm
287.5mm
289.5mm
289.5mm
289.5mm
Chainstay Length
436mm
436mm
436mm
439mm
439mm
442mm
442mm
Chainstay Length Horizontal
430mm
430.3mm
430.3mm
433.4mm
433.7mm
436.7mm
436.7mm
Front-Center
587mm
599mm
608mm
618mm
624mm
640mm
656mm
Front-Center Horizontal
583mm
595.7mm
603.7mm
614.6mm
620.3mm
636.3mm
652.3mm
Wheelbase
1013mm
1026mm
1034mm
1048mm
1054mm
1073mm
1089mm
Fork Offset/Rake
52mm
52mm
52mm
52mm
52mm
52mm
52mm
Fork Length (On-Axis)
415mm
415mm
415mm
415mm
415mm
415mm
415mm
Trail
70.8mm
high
70.8mm
high
67.4mm
high
67.4mm
high
64.1mm
mid/​neutral
64.1mm
mid/​neutral
64.1mm
mid/​neutral
Mechanical Trail
66.8mm
66.8mm
63.8mm
63.8mm
60.8mm
60.8mm
60.8mm
Wheel Flop
22.2mm
22.2mm
20.7mm
20.7mm
19.2mm
19.2mm
19.2mm
Standover Height
742mm
769mm
792mm
814mm
833mm
849mm
846mm
Tire to Pedal Spindle
59.5mm
170 mm cranks
71.5mm
170 mm cranks
80.5mm
170 mm cranks
90.5mm
170 mm cranks
96.5mm
170 mm cranks
112.5mm
170 mm cranks
128.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
115.5mm
170 mm cranks
117.5mm
170 mm cranks
117.5mm
170 mm cranks
117.5mm
170 mm cranks
119.5mm
170 mm cranks
119.5mm
170 mm cranks
119.5mm
170 mm cranks

Frameset Build

XXS
XS
SM
MD
LG
XL
XXL
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
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
45mm
45mm
45mm
45mm
45mm
45mm
45mm
Tire Width Max
50mm
50mm
50mm
50mm
50mm
50mm
50mm
Tire Outer Diameter
715mm
715mm
715mm
715mm
715mm
715mm
715mm
Bike Length with Tires
1728mm
1741mm
1749mm
1763mm
1769mm
1788mm
1804mm

Published Sizing Recommendations

Height
148 cm
to
157 cm
154 cm
to
163 cm
160 cm
to
170 cm
166 cm
to
178 cm
175 cm
to
187 cm
184 cm
to
194 cm
190 cm
to
200 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
All-road/Gravel
Source:https://www.curvecycling.com/products/air-kev-frameset
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