2025 IIWII STB Base
- Category
- All-road/Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
505 | 560 | |
Stack | 539mm | 576.5mm |
Reach | 350mm | 375mm |
Stack to Reach Ratio | 1.54:1 | 1.54:1 |
Seat Tube Length, C-T | 505mm | 560mm |
Seat Tube Length, C-TTT | 460mm | 515mm |
Top Tube Length, Effective/Horizontal Center | 504.5mm | 540mm |
Top Tube Slope | 6.3deg | 4.1deg |
Head Tube Angle | 70deg | 70deg |
Seat Tube Angle | 74deg | 74deg |
Head Tube Length | 120mm | 160mm |
Bottom Bracket Drop | 65mm | 65mm |
Bottom Bracket Height | 282mm | 282mm |
Chainstay Length | 410mm | 410mm |
Chainstay Length Horizontal | 404.8mm | 404.8mm |
Front-Center | 571.9mm | 610.7mm |
Front-Center Horizontal | 568.2mm | 607.2mm |
Wheelbase | 973mm | 1012mm |
Fork Offset/Rake | 42.9mm | 43.2mm |
Fork Length, Unknown | 400mm | 400mm |
Trail | 80.6mm very high | 80.3mm very high |
Mechanical Trail | 75.8mm | 75.4mm |
Wheel Flop | 25.9mm | 25.8mm |
Standover Height | 779mm | 829mm |
Tire to Pedal Spindle | 54.9mm 170 mm cranks | 93.7mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 112mm 170 mm cranks | 112mm 170 mm cranks |
Base Build
505 | 560 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 36mm | 36mm |
Tire Width Max | 40mm | 40mm |
Tire Outer Diameter | 694mm | 694mm |
Bike Length with Tires | 1667mm | 1706mm |
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.itiswhatitis.bike/product/iiwiistb/