2025 Xiamen Carbon Speed Gran Turismo Base 520
Build
700C/29 in × 30 mm
Insights
Somewhat upright stack and reach vs trend of endurance road bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 548mm |
| Reach | 368mm |
| Stack to Reach Ratio | 1.49:1 |
| Seat Tube Length, Unknown | 500mm |
| Top Tube Length, Effective/Horizontal Unknown | 530.3mm |
| Top Tube Slope | 7.7deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 138.8mm |
| Bottom Bracket Drop | 71.9mm |
| Bottom Bracket Height | 269.1mm |
| Chainstay Length | 422mm |
| Chainstay Length Horizontal | 415.8mm |
| Front-Center | 576.6mm |
| Front-Center Horizontal | 572.1mm |
| Wheelbase | 987.9mm |
| Fork Offset/Rake | 47mm |
| Fork Length, Unknown | 375mm |
| Trail | 61.4mm mid/neutral |
| Mechanical Trail | 58.4mm |
| Wheel Flop | 18mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 65.6mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 99.1mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 30mm |
| Tire Outer Diameter | 682mm |
| Bike Length with Tires | 1669.9mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://www.xmcarbonspeed.cc/products/xmcs-gran-turismo-frameset