2023 Surly Bikes Preamble Drop Bar
- Category
- Commuter
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake
Geometry
XS | SM | MD | LG | XL | |
Stack | 517mm | 535mm | 567mm | 605mm | 643mm |
Reach | 352mm | 381mm | 391mm | 404mm | 421mm |
Stack to Reach Ratio | 1.47:1 | 1.4:1 | 1.45:1 | 1.5:1 | 1.53:1 |
Seat Tube Length, Unknown | 410mm | 505mm | 565mm | 605mm | 645mm |
Top Tube Length, Actual C-C | 500mm | 545mm | 570mm | 600mm | 630mm |
Top Tube Slope | 14.8deg | 5.6deg | 2.9deg | 2.9deg | 2.7deg |
Head Tube Angle | 70deg | 71deg | 72deg | 72deg | 72deg |
Seat Tube Angle | 74deg | 73deg | 72.5deg | 72deg | 72deg |
Head Tube Length | 120mm | 135mm | 130mm | 170mm | 210mm |
Bottom Bracket Drop | 54mm | 54mm | 66mm | 66mm | 66mm |
Bottom Bracket Height | 284.5mm | 284.5mm | 292.5mm | 292.5mm | 292.5mm |
Chainstay Length | 420mm | 420mm | 435mm | 435mm | 435mm |
Chainstay Length Horizontal | 416.5mm | 416.5mm | 430mm | 430mm | 430mm |
Front-Center | 573mm | 598.9mm | 603.7mm | 628.5mm | 658.4mm |
Front-Center Horizontal | 570.5mm | 596.5mm | 600mm | 625mm | 655mm |
Wheelbase | 987mm | 1013mm | 1030mm | 1055mm | 1085mm |
Fork Offset/Rake | 47mm | 47mm | 44mm | 44mm | 44mm |
Fork Length (On-Axis) | 380mm | 380mm | 400mm | 400mm | 400mm |
Trail | 73.2mm high | 66.9mm high | 70.2mm high | 70.2mm high | 70.2mm high |
Mechanical Trail | 68.8mm | 63.2mm | 66.8mm | 66.8mm | 66.8mm |
Wheel Flop | 23.5mm | 20.6mm | 20.6mm | 20.6mm | 20.6mm |
Standover Height | 722mm | 776mm | 826mm | 863mm | 901mm |
Tire to Pedal Spindle | 69.5mm 165 mm cranks | 90.4mm 170 mm cranks | 75.2mm 170 mm cranks | 95mm 175 mm cranks | 124.9mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 119.5mm 165 mm cranks | 114.5mm 170 mm cranks | 122.5mm 170 mm cranks | 117.5mm 175 mm cranks | 117.5mm 175 mm cranks |
Drop Bar Build
XS | SM | MD | LG | XL | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 47mm | 47mm | 47mm | 47mm | 47mm |
Tire Width Max | 41mm | 41mm | 41mm | 41mm | 41mm |
Tire Outer Diameter | 677mm | 677mm | 717mm | 717mm | 717mm |
Bike Length with Tires | 1664mm | 1690mm | 1747mm | 1772mm | 1802mm |
Crank Length | 165mm | 170mm | 170mm | 175mm | 175mm |
Stem Angle | 7deg | 7deg | 7deg | 7deg | 7deg |
Published Sizing Recommendations
Height | 5 ft 0 in to 5 ft 5 in | 5 ft 4 in to 5 ft 8 in | 5 ft 7 in to 6 ft 0 in | 5 ft 11 in to 6 ft 3 in | 6 ft 2 in to 6 ft 7 in |
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
CommuterSource:https://surlybikes.com/bikes/preamble