2021 - Current Curve Cycling Kevin of Steel III 650b

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

Geometry

XS
SM
MD
LG
XL
Stack
551mm
563mm
573mm
586mm
605mm
Reach
374mm
383mm
390mm
396mm
405mm
Stack to Reach Ratio
1.47:1
1.47:1
1.47:1
1.48:1
1.49:1
Seat Tube Length, C-T
500mm
530mm
560mm
580mm
595mm
Top Tube Length, Effective/Horizontal HT Top
542mm
555mm
565mm
575mm
590mm
Top Tube Slope
8deg
6deg
3.9deg
3.2deg
3.6deg
Head Tube Angle
71deg
71.5deg
71.5deg
72deg
72deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
Head Tube Length
115mm
125mm
136mm
150mm
170mm
Bottom Bracket Drop
70mm
70mm
70mm
68mm
68mm
Bottom Bracket Height
275.3mm
275.3mm
275.3mm
277.3mm
277.3mm
Chainstay Length
432mm
432mm
432mm
432mm
432mm
Chainstay Length Horizontal
426.3mm
426.3mm
426.3mm
426.6mm
426.6mm
Front-Center
597mm
606mm
616mm
622mm
637mm
Front-Center Horizontal
592.7mm
601.7mm
611.7mm
618.4mm
633.4mm
Wheelbase
1019mm
1028mm
1038mm
1045mm
1060mm
Fork Offset/Rake
51mm
51mm
51mm
51mm
51mm
Fork Length (On-Axis)
400mm
400mm
400mm
400mm
400mm
Trail
65mm
mid/​neutral
61.8mm
mid/​neutral
61.8mm
mid/​neutral
58.6mm
mid/​neutral
58.6mm
mid/​neutral
Mechanical Trail
61.4mm
58.6mm
58.6mm
55.7mm
55.7mm
Wheel Flop
20mm
18.6mm
18.6mm
17.2mm
17.2mm
Standover Height
756mm
778mm
799mm
818mm
837mm
Tire to Pedal Spindle
81.7mm
170 mm cranks
90.7mm
170 mm cranks
100.7mm
170 mm cranks
106.7mm
170 mm cranks
121.7mm
170 mm cranks
Pedal Spindle to Ground Clearance
105.3mm
170 mm cranks
105.3mm
170 mm cranks
105.3mm
170 mm cranks
107.3mm
170 mm cranks
107.3mm
170 mm cranks

650b Build

XS
SM
MD
LG
XL
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
2.1in
2.1in
2.1in
2.1in
2.1in
Tire Width Max
2.25in
2.25in
2.25in
2.25in
2.25in
Tire Outer Diameter
690.7mm
690.7mm
690.7mm
690.7mm
690.7mm
Bike Length with Tires
1709.7mm
1718.7mm
1728.7mm
1735.7mm
1750.7mm

Published Sizing Recommendations

Height
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

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.au/collections/gravel-bikes/products/kevin-of-steel-curve-gxr-steel-grovel-v3