Madone SL 5 Gen 8
The Madone SL 5 Gen 8 delivers aerodynamic performance and modern features at a remarkable value—efficient, sleek, and ready to race. It offers a refined carbon frame, clean internal routing, and a dependable Shimano 105 2×12 groupset.
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Product images may vary slightly from final specifications.
Need to Know
KEY FEATURES
PERFECT FOR
Why we like the Trek Madone SL 5 Gen 8
High-End Feel, Mid-Tier Price
You’re getting the signature aerodynamic shaping and integration found in Trek’s upper-tier Madones, but with a more accessible price point.
Clean, Efficient Design
Internal routing and the removable chainkeeper help reduce drag and visual clutter—making the bike look as fast as it rides.
Practical, Reliable Components
Shimano 105 is a trusted workhorse — offering excellent performance for everyday riding and training without the premium cost of top-end groupsets.
Specifications
Frame Material
500 Series OCLV Carbon, Full System Foil shaping, IsoFlow seat tube, electronic or mechanical routing, removable aero chainkeeper, T47 BB, flat mount disc, UDH, 142×12 mm thru axle
Shifter
Shimano 105 R7120, 12-speed hydraulic levers
Rear Derailleur
Shimano 105 R7100, supports up to 36T cog
Front Derailleur
Shimano 105 R7100, braze-on, down-swing
Crankset
Shimano 105 R7100, 50/34 — 165 mm (XS/S), 170 mm (M/ML), 172.5 mm (L/XL)
Chain
Shimano SLX M7100, 12-speed
Cassette
Shimano 105 7101, 11–34, 12-speed
Brakeset
Shimano 105 hydraulic disc, flat mount
Rotors
Shimano CL700, centerlock, 160 mm standard (supports up to 180 mm front / 160 mm rear)
Bottom Bracket
Praxis, T47 threaded, internal bearings
Cockpit
Headset
RCS integrated headset system
Handlebar
Bontrager Comp alloy, 31.8 mm clamp, 80 mm reach / 121 mm drop (width varies per frame size)
Stem
Trek RCS Pro, –7° (length depends on frame size)
Saddle
Bontrager Aeolus Elite, austenite rails, 145 mm width
Seatpost
Wheels
Wheelset
Bontrager Paradigm 23, alloy, tubeless-ready
Front Axle
12×100 mm thru axle (Bontrager Switch chamfered)
Rear Axle
142×12 mm thru axle (Bontrager Switch removable lever)
Hubs
Bontrager sealed-bearing alloy hubs, centerlock disc
Tires
Bontrager Aeolus Pro, tubeless-ready, aramid bead, 700×28 mm
Tire Clearance
Size Guide
Geometry
| XS | S | M | ML | L | XL |
|---|
All measurements in degrees or mm
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