2025 TWITTER Bikes C5 Pro Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
47 | 50 | 53 | |
Stack | 520.4mm | 525.1mm | 539.2mm |
Reach | 378mm | 395mm | 405mm |
Stack to Reach Ratio | 1.38:1 | 1.33:1 | 1.33:1 |
Seat Tube Length, Unknown | 470mm | 500mm | 530mm |
Top Tube Length, Effective/Horizontal Unknown | 527.2mm | 545.6mm | 559.6mm |
Top Tube Slope | 7.7deg | 4.8deg | 3.1deg |
Head Tube Angle | 70deg | 70deg | 70deg |
Seat Tube Angle | 74deg | 74deg | 74deg |
Head Tube Length | 125mm | 130mm | 145mm |
Bottom Bracket Drop | 65mm | 65mm | 65mm |
Bottom Bracket Height | 278mm | 278mm | 278mm |
Chainstay Length | 412.5mm | 412.5mm | 412.5mm |
Chainstay Length Horizontal | 407.4mm | 407.4mm | 407.4mm |
Front-Center | 595.2mm | 613.8mm | 628.8mm |
Front-Center Horizontal | 591.7mm | 610.4mm | 625.5mm |
Wheelbase | 999mm | 1017.7mm | 1032.8mm |
Fork Offset/Rake | 45mm | 45mm | 45mm |
Fork Length, Unknown | 380mm | 380mm | 380mm |
Trail | 76.9mm high | 77mm high | 77mm high |
Mechanical Trail | 72.3mm | 72.3mm | 72.3mm |
Wheel Flop | 24.7mm | 24.7mm | 24.7mm |
Tire to Pedal Spindle | 82.2mm 170 mm cranks | 100.8mm 170 mm cranks | 115.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 108mm 170 mm cranks | 108mm 170 mm cranks | 108mm 170 mm cranks |
Base Build
47 | 50 | 53 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 32mm | 32mm | 32mm |
Tire Width Max | 32mm | 32mm | 32mm |
Tire Outer Diameter | 686mm | 686mm | 686mm |
Bike Length with Tires | 1685mm | 1703.7mm | 1718.8mm |
Crank Length | 170mm | — | — |
Handlebar Width | 400mm | — | — |
Stem Length | 90mm | — | — |
Published Sizing Recommendations
Height | 165 cm to 172 cm | — | — |
Stack and Reach vs. Category Trend
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 ScaleCategory Trend
Performance RoadSource:https://28goods.com/products/2025-twitter-c5-pro-retrospec-2-x-12?srsltid=AfmBOoq7QVPDKb6ZsGfwGTo0_BWCLxQhW_FZGDe8ocVeV2c30T6DbG52, -