2025 Trek Bikes Madone SLR Gen 8
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
XS | S | M | ML | L | XL | |
Stack | 507mm | 530mm | 546mm | 562mm | 582mm | 610mm |
Reach | 370mm | 378mm | 384mm | 389mm | 394mm | 402mm |
Stack to Reach Ratio | 1.37:1 | 1.4:1 | 1.42:1 | 1.44:1 | 1.48:1 | 1.52:1 |
Seat Tube Length, Unknown | 404mm | 440mm | 476mm | 512mm | 548mm | 609mm |
Top Tube Length, Effective/Horizontal Center | 517mm | 532mm | 545mm | 557mm | 568mm | 584mm |
Top Tube Slope | 13.9deg | 12.1deg | 9.8deg | 7.6deg | 5.9deg | 2.6deg |
Head Tube Angle | 71.6deg | 72.2deg | 72.9deg | 73.5deg | 73.8deg | 73.9deg |
Seat Tube Angle | 73.8deg | 73.8deg | 73.6deg | 73.4deg | 73.4deg | 73.4deg |
Head Tube Length | 100mm | 121mm | 136mm | 150mm | 172mm | 201mm |
Bottom Bracket Drop | 72mm | 72mm | 70mm | 70mm | 68mm | 68mm |
Bottom Bracket Height | 267mm | 267mm | 269mm | 269mm | 271mm | 271mm |
Chainstay Length | 410mm | 410mm | 410mm | 410mm | 411mm | 412mm |
Chainstay Length Horizontal | 403.6mm | 403.6mm | 404mm | 404mm | 405.3mm | 406.4mm |
Front-Center | 572mm | 576.8mm | 581.7mm | 580.7mm | 588.9mm | 603.9mm |
Front-Center Horizontal | 567.4mm | 572.3mm | 577.5mm | 576.5mm | 585mm | 600.1mm |
Wheelbase | 971mm | 975.9mm | 981.5mm | 980.4mm | 990.3mm | 1006.4mm |
Fork Offset/Rake | 50mm | 45mm | 45mm | 40mm | 40mm | 40mm |
Fork Length (Axle-To-Crown) | 3700mm | 3700mm | 3700mm | 3700mm | 3700mm | 3700mm |
Trail | 60.1mm mid/​neutral | 61.6mm mid/​neutral | 57.2mm mid/​neutral | 58.7mm mid/​neutral | 56.8mm mid/​neutral | 56.2mm mid/​neutral |
Mechanical Trail | 57mm | 58.6mm | 54.7mm | 56.3mm | 54.6mm | 54mm |
Wheel Flop | 18mm | 17.9mm | 16.1mm | 16mm | 15.2mm | 15mm |
Tire to Pedal Spindle | 68mm 165 mm cranks | 72.8mm 165 mm cranks | 72.7mm 170 mm cranks | 69.2mm 172.5 mm cranks | 77.4mm 172.5 mm cranks | 89.9mm 175 mm cranks |
Pedal Spindle to Ground Clearance | 102mm 165 mm cranks | 102mm 165 mm cranks | 99mm 170 mm cranks | 96.5mm 172.5 mm cranks | 98.5mm 172.5 mm cranks | 96mm 175 mm cranks |
SLR Gen 8 Build
XS | S | M | ML | 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 Width Max | 32mm | 32mm | 32mm | 32mm | 32mm | 32mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1649mm | 1653.9mm | 1659.5mm | 1658.4mm | 1668.3mm | 1684.4mm |
Crank Length | 165mm | 165mm | 170mm | 172.5mm | 172.5mm | 175mm |
Handlebar Width | 35cm | 37cm | 42cm | 42cm | 42cm | 44cm |
Stem Length | 80mm | 90mm | 90mm | 100mm | 100mm | 110mm |
Stem Angle | -7deg | -7deg | -7deg | -7deg | -7deg | -7deg |
Published Sizing Recommendations
Height | 143 cm to 158 cm | 158 cm to 162 cm | 162 cm to 173 cm | 173 cm to 179 cm | 179 cm to 188 cm | 188 cm to 213 cm |
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:https://www.trekbikes.com/us/en_US/bikes/road-bikes/performance-road-bikes/madone/madone-slr/madone-slr-9-axs-gen-8/p/46151/?colorCode=grey