Bike-on-Bike

Generated by Bike Insights
650B/27.5 in × 47 mm
700C/29 in × 45 mm

Insights

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

Geometry

Stack
597mm
590mm
-7mm
Reach
390mm
380mm
-10mm
Stack to Reach Ratio
1.53:1
1.55:1
Seat Tube Length, C-T
535mm
510mm
-25mm
Top Tube Length, Effective/Horizontal HT Top
569mm
Top Tube Length, Unknown
544mm
Top Tube Slope
8.8deg
10.9deg
+2.1deg
Head Tube Angle
70deg
70deg
+0deg
Seat Tube Angle
73.5deg
74deg
+0.5deg
Head Tube Length
164mm
128.8mm
-35.2mm
Bottom Bracket Drop
73mm
73.5mm
+0.5mm
Bottom Bracket Height
266mm
282.5mm
+16.5mm
Chainstay Length
430mm
425mm
-5mm
Chainstay Length Horizontal
423.8mm
418.6mm
-5.2mm
Front-Center
633mm
625.5mm
-7.5mm
Front-Center Horizontal
628.2mm
621.2mm
-7mm
Wheelbase
1052mm
1039.8mm
-12.2mm
Fork Offset/Rake
45mm
50mm
+5mm
Fork Length, Unknown
415mm
Trail
75.5mm
high
76.4mm
+0.9mm
high
Mechanical Trail
70.9mm
71.8mm
+0.9mm
Wheel Flop
24.3mm
24.5mm
+0.2mm
Standover Height
805.2mm
Tire to Pedal Spindle
124mm
170 mm cranks
99.5mm
-24.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
96mm
170 mm cranks
112.5mm
+16.5mm
170 mm cranks

Build

Wheel Size
650B/27.5 in
584 mm BSD
700C/29 in
622 mm BSD
Tire Width
47mm
45mm
-2mm
Tire Width Max
55mm
Tire Outer Diameter
678mm
712mm
+34mm
Bike Length with Tires
1730mm
1751.8mm
+21.8mm
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

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