Bike-on-Bike

Generated by Bike Insights
650B/27.5 in × 47 mm
No Diagram
700C/29 in × 45 mm

Insights

Somewhat upright 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

Geometry

Stack
548mm
550mm
+2mm
Reach
364mm
369mm
+5mm
Stack to Reach Ratio
1.51:1
1.49:1
Seat Tube Length, C-T
485mm
432mm
-53mm
Top Tube Length, Effective/Horizontal HT Top
523mm
—
Top Tube Length, Actual C-C
—
532mm
Top Tube Slope
9.3deg
15.4deg
+6.1deg
Head Tube Angle
70deg
68.8deg
-1.2deg
Seat Tube Angle
74deg
73.5deg
-0.5deg
Head Tube Length
110mm
120mm
+10mm
Bottom Bracket Drop
75mm
—
Bottom Bracket Height
264mm
—
Chainstay Length
430mm
440mm
+10mm
Chainstay Length Horizontal
423.4mm
—
Front-Center
589mm
—
Front-Center Horizontal
584.6mm
—
Wheelbase
1008mm
1047mm
+39mm
Fork Offset/Rake
45mm
—
Trail
75.5mm
high
—
—
Mechanical Trail
70.9mm
—
Wheel Flop
24.3mm
—
Standover Height
—
764mm
Tire to Pedal Spindle
80mm
170 mm cranks
—
170 mm cranks
Pedal Spindle to Ground Clearance
94mm
170 mm cranks
—
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
1686mm
1759mm
+73mm
Suspension Type
Rigid, non-suspension corrected
Rigid, non-suspension corrected
Bar Type
Drop Bar
Drop Bar
Frame Material
Titanium
Aluminum
Fork Material
Carbon/Composite
Carbon/Composite
Brake Type
Disc
Disc

Meta

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