2021 State Bicycle Co. 4130 All-Road 27.5
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake
Geometry
43cm | 47cm | 51cm | 55cm | |
Stack | 560.7mm | 581.6mm | 602.5mm | 621.5mm |
Reach | 359.8mm | 373.7mm | 371.5mm | 385mm |
Stack to Reach Ratio | 1.56:1 | 1.56:1 | 1.62:1 | 1.61:1 |
Seat Tube Length, C-T | 430mm | 470mm | 510mm | 550mm |
Top Tube Length, Effective/Horizontal Unknown | 510mm | 535mm | 550mm | 575mm |
Top Tube Length, Actual C-C | 496mm | 517.3mm | 528.9mm | 553.1mm |
Top Tube Slope | 17.2deg | 14.5deg | 12.4deg | 9.9deg |
Head Tube Angle | 70.5deg | 71deg | 71.5deg | 71.5deg |
Seat Tube Angle | 75deg | 74.5deg | 73.5deg | 73deg |
Head Tube Length | 125mm | 145mm | 165mm | 185mm |
Bottom Bracket Drop | 75mm | 75mm | 75mm | 75mm |
Bottom Bracket Height | 270.3mm | 270.3mm | 270.3mm | 270.3mm |
Chainstay Length | 450mm | 450mm | 450mm | 450mm |
Chainstay Length Horizontal | 443.7mm | 443.7mm | 443.7mm | 443.7mm |
Front-Center | 558.5mm | 574.3mm | 615mm | 623.7mm |
Front-Center Horizontal | 553.4mm | 569.4mm | 610.4mm | 619.2mm |
Wheelbase | 997.1mm | 1013.1mm | 1054.1mm | 1062.9mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm |
Fork Length, Unknown | 405mm | 405mm | 405mm | 405mm |
Trail | 69.3mm high | 66mm high | 62.8mm mid/neutral | 62.8mm mid/neutral |
Mechanical Trail | 65.3mm | 62.4mm | 59.6mm | 59.6mm |
Wheel Flop | 21.8mm | 20.3mm | 18.9mm | 18.9mm |
Standover Height | 735mm | 764mm | 790mm | 819mm |
Tire to Pedal Spindle | 43.1mm 170 mm cranks | 59mm 170 mm cranks | 94.6mm 175 mm cranks | 103.4mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 100.3mm 170 mm cranks | 100.3mm 170 mm cranks | 95.3mm 175 mm cranks | 95.3mm 175 mm cranks |
27.5 Build
43cm | 47cm | 51cm | 55cm | |
Wheel Size | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD | 650B/27.5 in 584 mm BSD |
Tire Width | 2.1in | 2.1in | 2.1in | 2.1in |
Tire Width Max | 53mm | 53mm | 53mm | 53mm |
Tire Outer Diameter | 690.7mm | 690.7mm | 690.7mm | 690.7mm |
Bike Length with Tires | 1687.8mm | 1703.8mm | 1744.8mm | 1753.6mm |
Crank Length | 170mm | 170mm | 175mm | 175mm |
Published Sizing Recommendations
Height | 5 ft 1 in to 5 ft 6 in | 5 ft 5 in to 5 ft 10 in | 5 ft 9 in to 6 ft 2 in | 6 ft 1 in to 6 ft 5 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
All-road/GravelSource:https://www.statebicycle.com/blogs/size-and-spec-guides/4130-all-road