2020 Bossi Bicycles Summit Frameset
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Titanium
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
50 | 52 | 54 | 56 | 58 | 60 | |
Stack | 536mm | 551mm | 568mm | 589mm | 608mm | 625mm |
Reach | 364mm | 370mm | 376mm | 381mm | 388mm | 397mm |
Stack to Reach Ratio | 1.47:1 | 1.49:1 | 1.51:1 | 1.55:1 | 1.57:1 | 1.57:1 |
Seat Tube Length, Unknown | 500mm | 520mm | 540mm | 560mm | 580mm | 600mm |
Top Tube Length, Effective/Horizontal Unknown | 515mm | 530mm | 545mm | 560mm | 580mm | 595mm |
Top Tube Slope | 6.2deg | 5.7deg | 5.4deg | 5.6deg | 5.6deg | 5.2deg |
Head Tube Angle | 71deg | 71.3deg | 72deg | 72.5deg | 72.5deg | 72.5deg |
Seat Tube Angle | 74.5deg | 74deg | 73.5deg | 73.2deg | 72.5deg | 72.5deg |
Head Tube Length | 130mm | 145mm | 160mm | 180mm | 200mm | 220mm |
Bottom Bracket Drop | 72mm | 72mm | 72mm | 72mm | 72mm | 72mm |
Bottom Bracket Height | 271mm | 271mm | 271mm | 271mm | 271mm | 271mm |
Chainstay Length | 425mm | 425mm | 425mm | 425mm | 425mm | 425mm |
Chainstay Length Horizontal | 418.9mm | 418.9mm | 418.9mm | 418.9mm | 418.9mm | 418.9mm |
Front-Center | 576mm | 584mm | 588mm | 596mm | 608mm | 628mm |
Front-Center Horizontal | 571.1mm | 579.1mm | 584.1mm | 591.1mm | 604.1mm | 624.1mm |
Wheelbase | 990mm | 998mm | 1003mm | 1010mm | 1023mm | 1043mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Trail | 70.5mm high | 68.6mm high | 64.1mm mid/neutral | 61mm mid/neutral | 61mm mid/neutral | 61mm mid/neutral |
Mechanical Trail | 66.7mm | 65mm | 61mm | 58.1mm | 58.1mm | 58.1mm |
Wheel Flop | 21.7mm | 20.8mm | 18.9mm | 17.5mm | 17.5mm | 17.5mm |
Tire to Pedal Spindle | 63mm 170 mm cranks | 71mm 170 mm cranks | 75mm 170 mm cranks | 83mm 170 mm cranks | 95mm 170 mm cranks | 115mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks | 101mm 170 mm cranks |
Frameset Build
50 | 52 | 54 | 56 | 58 | 60 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Width Max | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Outer Diameter | 686mm | 686mm | 686mm | 686mm | 686mm | 686mm |
Bike Length with Tires | 1676mm | 1684mm | 1689mm | 1696mm | 1709mm | 1729mm |
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
Endurance RoadSource:https://bossibicycles.com/collections/titanium-bikes/products/summit-titanium-endurance-frameset?variant=31793012834398