2025 X-Lab RS9 Road Base
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
Geometry
XS | XS | S | S | M | |
Stack | 508mm | 508mm | 525mm | 525mm | 543mm |
Reach | 360mm | 360mm | 370mm | 370mm | 384mm |
Stack to Reach Ratio | 1.41:1 | 1.41:1 | 1.42:1 | 1.42:1 | 1.41:1 |
Seat Tube Length, C-T | 460mm | 430mm | 480mm | 460mm | 480mm |
Top Tube Length, Effective/Horizontal Unknown | 502mm | 502mm | 520mm | 520mm | 540mm |
Top Tube Slope | 7.7deg | 11.2deg | 7.2deg | 9.5deg | 9.1deg |
Head Tube Angle | 70.8deg | 70.8deg | 71.5deg | 71.5deg | — |
Seat Tube Angle | 74.4deg | 74.4deg | 74deg | 74deg | 73deg |
Head Tube Length | 104mm | 110mm | 119mm | 120mm | 137mm |
Bottom Bracket Drop | 72mm | 74mm | 72mm | 74mm | 72mm |
Bottom Bracket Height | 267mm | 265mm | 267mm | 265mm | 267mm |
Chainstay Length | 408mm | 408mm | 410mm | 410mm | — |
Chainstay Length Horizontal | 401.6mm | 401.2mm | 403.6mm | 403.3mm | — |
Front-Center | 569mm | 574mm | 578mm | 578mm | 578mm |
Front-Center Horizontal | 564.7mm | 571.3mm | 574mm | 573.7mm | 573.5mm |
Wheelbase | 966.3mm | 972.5mm | 977.6mm | 977mm | 978mm |
Fork Offset/Rake | 50mm | 50mm | 50mm | 50mm | — |
Trail | 65.1mm high | 65.1mm high | 60.7mm mid/neutral | 60.7mm mid/neutral | — — |
Mechanical Trail | 61.5mm | 61.5mm | 57.6mm | 57.6mm | — |
Wheel Flop | 20.2mm | 20.2mm | 18.3mm | 18.3mm | — |
Standover Height | — | 704mm | — | 728mm | 750mm |
Tire to Pedal Spindle | 60mm 170 mm cranks | 65mm 170 mm cranks | 69mm 170 mm cranks | 69mm 170 mm cranks | 69mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 97mm 170 mm cranks | 95mm 170 mm cranks | 97mm 170 mm cranks | 95mm 170 mm cranks | 97mm 170 mm cranks |
Base Build
XS | XS | S | S | M | |
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 |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Width Max | — | 30mm | — | 30mm | 30mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1644.3mm | 1650.5mm | 1655.6mm | 1655mm | 1656mm |
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
Performance RoadSource:Xlab, https://xds.co/products/rt9