2025 Bossi Bicycles Summit MY25 54
Build
700C/29 in × 35 mm
Insights
Average stack and reach vs trend of all-road/gravel bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 572mm |
| Reach | 375.5mm |
| Stack to Reach Ratio | 1.52:1 |
| Seat Tube Length, Unknown | 470mm |
| Top Tube Length, Effective/Horizontal HT Top | 545mm |
| Top Tube Slope | 13.4deg |
| Head Tube Angle | 72deg |
| Seat Tube Angle | 73.5deg |
| Head Tube Length | 157mm |
| Bottom Bracket Drop | 76mm |
| Bottom Bracket Height | 270mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.2mm |
| Front-Center | 591mm |
| Front-Center Horizontal | 585.9mm |
| Wheelbase | 1004mm |
| Fork Offset/Rake | 47mm |
| Trail | 63mm mid/neutral |
| Mechanical Trail | 59.9mm |
| Wheel Flop | 18.5mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 75mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 100mm |
MY25 Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 35mm |
| Tire Outer Diameter | 692mm |
| Bike Length with Tires | 1696mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Titanium |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://bossibicycles.com/collections/endurance/products/summit-titanium-endurance-bike-my25