2025 Polygon Bikes 2025 Strattus S5 Disc Base
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | Medium | M | L | XL | |
Stack | 518.5mm | 533.5mm | 548.8mm | 548.8mm | 563.8mm | 579.2mm |
Reach | 374.7mm | 379.7mm | 384.7mm | 384.7mm | 389.7mm | 394.7mm |
Stack to Reach Ratio | 1.38:1 | 1.41:1 | 1.43:1 | 1.43:1 | 1.45:1 | 1.47:1 |
Seat Tube Length, C-T | 450mm | 470mm | — | 500mm | 520mm | 550mm |
Seat Tube Length, Unknown | — | — | 500mm | — | — | — |
Top Tube Length, Effective/Horizontal Center | 515mm | 525mm | — | 540mm | 555mm | 570mm |
Top Tube Length, Effective/Horizontal Unknown | — | — | 540mm | — | — | — |
Top Tube Slope | 9.7deg | 9.1deg | 7.4deg | 7.4deg | 6.9deg | 5.5deg |
Head Tube Angle | 72deg | 72.5deg | 73deg | 73deg | 73deg | 73deg |
Seat Tube Angle | 75deg | 74.5deg | 74deg | 74deg | 73.5deg | 73deg |
Head Tube Length | 90mm | 105mm | 130mm | 130mm | 155mm | 185mm |
Bottom Bracket Drop | 67mm | 67mm | 64.5mm | 64.5mm | 64.5mm | 62mm |
Bottom Bracket Height | 272mm | 272mm | 274.5mm | 274.5mm | 274.5mm | 277mm |
Chainstay Length | 415mm | 415mm | 415mm | 415mm | 415mm | 417mm |
Chainstay Length Horizontal | 409.6mm | 409.6mm | 410mm | 410mm | 410mm | 412.4mm |
Front-Center | 569.9mm | 571.7mm | 578.5mm | 578.5mm | 588.6mm | 596.8mm |
Front-Center Horizontal | 566mm | 567.8mm | 574.9mm | 574.9mm | 585.1mm | 593.5mm |
Wheelbase | 975.5mm | 977.3mm | 984.8mm | 984.8mm | 995mm | 1005.9mm |
Fork Offset/Rake | 42.4mm | 39.1mm | 40.3mm | 40.3mm | 40.8mm | 38.9mm |
Trail | 65.6mm high | 65.9mm high | 61.5mm mid/neutral | 61.5mm mid/neutral | 60.9mm mid/neutral | 62.9mm mid/neutral |
Mechanical Trail | 62.4mm | 62.8mm | 58.9mm | 58.9mm | 58.3mm | 60.2mm |
Wheel Flop | 19.3mm | 18.9mm | 17.2mm | 17.2mm | 17mm | 17.6mm |
Standover Height | 722.3mm | 744.5mm | 762.9mm | 762.9mm | 784.7mm | 806.2mm |
Tire to Pedal Spindle | 65.9mm 165 mm cranks | 62.7mm 170 mm cranks | 69.5mm 170 mm cranks | 69.5mm 170 mm cranks | 79.6mm 170 mm cranks | 85.3mm 172.5 mm cranks |
Pedal Spindle to Ground Clearance | 107mm 165 mm cranks | 102mm 170 mm cranks | 104.5mm 170 mm cranks | 104.5mm 170 mm cranks | 104.5mm 170 mm cranks | 104.5mm 172.5 mm cranks |
Base Build
XS | S | Medium | M | L | 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 | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1653.5mm | 1655.3mm | 1662.8mm | 1662.8mm | 1673mm | 1683.9mm |
Crank Length | 165mm | 170mm | 170mm | 170mm | 170mm | 172.5mm |
Handlebar Width | 400mm | 400mm | 400mm | 400mm | 420mm | 420mm |
Stem Length | 90mm | 90mm | 31.8mm | 100mm | 100mm | 110mm |
Published Sizing Recommendations
Height | 12 ft 10 in to | 13 ft 6 in to | 168 cm to 176 cm | 14 ft 0 in to | 14 ft 6 in to | 15 ft 0 in to |
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://www.bikesonline.com/2025-polygon-strattos-s5-disc-shimano-105-road-bik~8488127