2025 TWITTER Bikes C5 Pro Base

Design
Drop Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Carbon/Composite
Features
Disc brake
Somewhat aggressive stack and reachvs category
Very aggressive stack and reachvs category

Geometry

50
53
Stack
525.1mm
539.2mm
Reach
395mm
405mm
Stack to Reach Ratio
1.33:1
1.33:1
Seat Tube Length, Unknown
500mm
530mm
Top Tube Length, Effective/Horizontal Unknown
545.6mm
559.6mm
Top Tube Slope
4.8deg
3.1deg
Head Tube Angle
70deg
70deg
Seat Tube Angle
74deg
74deg
Head Tube Length
130mm
145mm
Bottom Bracket Drop
65mm
65mm
Bottom Bracket Height
278mm
278mm
Chainstay Length
412.5mm
412.5mm
Chainstay Length Horizontal
407.4mm
407.4mm
Front-Center
613.8mm
628.8mm
Front-Center Horizontal
610.4mm
625.5mm
Wheelbase
1017.7mm
1032.8mm
Fork Offset/Rake
45mm
45mm
Fork Length, Unknown
380mm
380mm
Trail
77mm
high
77mm
high
Mechanical Trail
72.3mm
72.3mm
Wheel Flop
24.7mm
24.7mm
Tire to Pedal Spindle
100.8mm
170 mm cranks
115.8mm
170 mm cranks
Pedal Spindle to Ground Clearance
108mm
170 mm cranks
108mm
170 mm cranks

Base Build

50
53
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
32mm
32mm
Tire Width Max
32mm
32mm
Tire Outer Diameter
686mm
686mm
Bike Length with Tires
1703.7mm
1718.8mm

Stack and Reach vs. Category Trend

Reach250mm300mm350mm400mm450mm500mmStack450mm500mm550mm600mm650mm700mm5053
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
Performance Road
Source:-