Bike-on-Bike

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

Insights

Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of Serk Titanium A21
Average stack and reach vs trend of all-road/gravel bikes
Design deviates from other sizes of SPCYCLE SP-G056

Geometry

Stack
597mm
608mm
+11mm
Reach
390mm
391mm
+1mm
Stack to Reach Ratio
1.53:1
1.55:1
Seat Tube Length, C-T
535mm
Seat Tube Length, C-TTT
490mm
Top Tube Length, Effective/Horizontal HT Top
569mm
Top Tube Length, Effective/Horizontal Unknown
575mm
Top Tube Slope
8.8deg
12.6deg
+3.8deg
Head Tube Angle
70deg
71.5deg
+1.5deg
Seat Tube Angle
73.5deg
73.1deg
-0.4deg
Head Tube Length
164mm
175mm
+11mm
Bottom Bracket Drop
73mm
76mm
+3mm
Bottom Bracket Height
266mm
275mm
+9mm
Chainstay Length
430mm
430mm
+0mm
Chainstay Length Horizontal
423.8mm
423.2mm
-0.6mm
Front-Center
633mm
626mm
-7mm
Front-Center Horizontal
628.2mm
621.8mm
-6.4mm
Wheelbase
1052mm
1045mm
-7mm
Fork Offset/Rake
45mm
50mm
+5mm
Fork Length, Unknown
401mm
Trail
75.5mm
high
64.7mm
-10.8mm
mid/​neutral
Mechanical Trail
70.9mm
61.4mm
-9.5mm
Wheel Flop
24.3mm
19.5mm
-4.8mm
Tire to Pedal Spindle
124mm
170 mm cranks
105mm
-19mm
170 mm cranks
Pedal Spindle to Ground Clearance
96mm
170 mm cranks
105mm
+9mm
170 mm cranks

Build

Wheel Size
650B/27.5 in
584 mm BSD
700C/29 in
622 mm BSD
Tire Width
47mm
40mm
-7mm
Tire Outer Diameter
678mm
702mm
+24mm
Bike Length with Tires
1730mm
1747mm
+17mm
Suspension Type
Rigid, non-suspension corrected
Rigid, non-suspension corrected
Bar Type
Drop Bar
Drop Bar
Frame Material
Titanium
Carbon/Composite
Fork Material
Carbon/Composite
Carbon/Composite
Brake Type
Disc
Disc

Meta

Actions
Source
https://www.serk.cc/a21/
https://www.sp-cycle.com/factory-direct-sales-2022-new-hidden-inner-cable-disc-gravel-frame-t1000-full-carbon-fiber-gravel-bike-frame-with-aero-handlebar-p4313854.html
Brand
Bike
Size
Category