2025 TWITTER Bikes C5 Pro Base 47
Build
700C/29 in × 32 mm
Insights
Average stack and reach vs trend of performance road bikes
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 520.4mm |
| Reach | 378mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, Unknown | 470mm |
| Top Tube Length, Effective/Horizontal Unknown | 527.2mm |
| Top Tube Slope | 7.7deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 125mm |
| Bottom Bracket Drop | 65mm |
| Bottom Bracket Height | 278mm |
| Chainstay Length | 412.5mm |
| Chainstay Length Horizontal | 407.4mm |
| Front-Center | 595.2mm |
| Front-Center Horizontal | 591.7mm |
| Wheelbase | 999mm |
| Fork Offset/Rake | 45mm |
| Fork Length, Unknown | 380mm |
| Trail | 76.9mm high |
| Mechanical Trail | 72.3mm |
| Wheel Flop | 24.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 82.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 108mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 32mm |
| Tire Outer Diameter | 686mm |
| Bike Length with Tires | 1685mm |
| Crank Length | 170mm |
| Handlebar Width | 400mm |
| Stem Length | 90mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 165 cm to 172 cm |
Source:https://28goods.com/products/2025-twitter-c5-pro-retrospec-2-x-12?srsltid=AfmBOoq7QVPDKb6ZsGfwGTo0_BWCLxQhW_FZGDe8ocVeV2c30T6DbG52