2012 Specialized Bicycles Source Base
- Category
- Commuter
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Aluminum
- Features
- Disc brake
Geometry
SM | MD | LG | XL | |
Seat Tube Length, C-T | 440mm | 485mm | 530mm | 570mm |
Top Tube Length, Effective/Horizontal Unknown | 570mm | 580mm | 600mm | 620mm |
Head Tube Angle | 71deg | 71.5deg | 72deg | 72deg |
Seat Tube Angle | 73.25deg | 73.5deg | 73deg | 73deg |
Head Tube Length | 150mm | 165mm | 190mm | 225mm |
Bottom Bracket Drop | 70mm | 70mm | 70mm | 70mm |
Bottom Bracket Height | 271mm | 271mm | 271mm | 271mm |
Chainstay Length | 445mm | 445mm | 445mm | 445mm |
Chainstay Length Horizontal | 439.5mm | 439.5mm | 439.5mm | 439.5mm |
Front-Center | 629mm | 637mm | 647mm | 667mm |
Front-Center Horizontal | 625.5mm | 633.5mm | 642.5mm | 663.5mm |
Wheelbase | 1065mm | 1073mm | 1082mm | 1103mm |
Fork Offset/Rake | 51mm | 51mm | 51mm | 51mm |
Trail | 63.5mm mid/neutral | 60.3mm mid/neutral | 57.2mm mid/neutral | 57.2mm mid/neutral |
Mechanical Trail | 60mm | 57.2mm | 54.4mm | 54.4mm |
Wheel Flop | 19.5mm | 18.2mm | 16.8mm | 16.8mm |
Standover Height | 750mm | 786mm | 821mm | 859mm |
Tire to Pedal Spindle | 118mm 170 mm cranks | 121mm 175 mm cranks | 131mm 175 mm cranks | 151mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 101mm 170 mm cranks | 96mm 175 mm cranks | 96mm 175 mm cranks | 96mm 175 mm cranks |
Base Build
SM | MD | LG | XL | |
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 |
Tire Width | 30mm | 30mm | 30mm | 30mm |
Tire Width Max | — | — | 37mm | — |
Tire Outer Diameter | 682mm | 682mm | 682mm | 682mm |
Bike Length with Tires | 1747mm | 1755mm | 1764mm | 1785mm |
Crank Length | 170mm | 175mm | 175mm | 175mm |
Handlebar Width | 580mm | 580mm | 580mm | 580mm |
Stem Length | 90mm | 90mm | 100mm | 100mm |
Stem Angle | — | — | -12deg | — |
Published Sizing Recommendations
Height | — | — | 175 cm to 190 cm | — |
PBH | — | — | 80 cm to 95 cm | — |
Source:https://www.specialized.com/de/en/source-expert-disc/p/36235?color=80585-36235