Bike-on-Bike

Generated by Bike Insights
700C/29 in × 40 mm
650B/27.5 in × 47 mm

Insights

Average stack and reach vs trend of all-road/gravel bikes
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A21

Geometry

Stack
587.1mm
575mm
-12.1mm
Reach
384mm
377mm
-7mm
Stack to Reach Ratio
1.53:1
1.53:1
Seat Tube Length, C-T
500mm
510mm
+10mm
Top Tube Length, Effective/Horizontal HT Top
549mm
Top Tube Length, Actual C-C
562mm
Top Tube Slope
11.6deg
9.4deg
-2.2deg
Head Tube Angle
71deg
70deg
-1deg
Seat Tube Angle
73.4deg
73.5deg
+0.1deg
Head Tube Length
165mm
139mm
-26mm
Bottom Bracket Drop
72mm
75mm
+3mm
Bottom Bracket Height
279mm
264mm
-15mm
Chainstay Length
425mm
430mm
+5mm
Chainstay Length Horizontal
418.9mm
423.4mm
+4.5mm
Front-Center
618.5mm
612mm
-6.5mm
Front-Center Horizontal
614.2mm
606.6mm
-7.6mm
Wheelbase
1033.1mm
1030mm
-3.1mm
Fork Offset/Rake
50mm
45mm
-5mm
Fork Length (On-Axis)
390mm
Trail
68mm
high
75.5mm
+7.5mm
high
Mechanical Trail
64.3mm
70.9mm
+6.6mm
Wheel Flop
20.9mm
24.3mm
+3.4mm
Tire to Pedal Spindle
97.5mm
170 mm cranks
103mm
+5.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
109mm
170 mm cranks
94mm
-15mm
170 mm cranks

Build

Wheel Size
700C/29 in
622 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
40mm
47mm
+7mm
Tire Width Max
55mm
Tire Outer Diameter
702mm
678mm
-24mm
Bike Length with Tires
1735.1mm
1708mm
-27.1mm
Suspension Type
Rigid, non-suspension corrected
Rigid, non-suspension corrected
Bar Type
Drop Bar
Drop Bar
Frame Material
Carbon/Composite
Titanium
Fork Material
Carbon/Composite
Carbon/Composite
Brake Type
Disc
Disc

Meta

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