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Trek Madone SLR 7 Disc Road Bike 2021

★★★★★ ★★★★★

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Madone SLR 7 Disc Road Bike 2021

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Product ID: 1255570

Four great reasons to buy your bike from Sigma Sports

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Expert Advice & Rider ID

Sigma Sports has one objective - to help you find your perfect bike. Our friendly, knowledgeable staff ask you a series of questions to understand what type of rider you are and the type of riding you do. We can then identify the style of bike that best suits your needs.

sigma sports finding the right bike size
Finding the right size

Riding a bike that fits you perfectly will help keep you injury-free and ensure you enjoy riding further for longer in total comfort. We check your measurements on a jig to ensure your optimal set-up.

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Bike Handover

When you collect your new bike we'll double-check your position and make any micro-adjustments if required. We'll also discuss the controls on your bike as well as maintenance tips.

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First free safety check

We offer a free safety check after six weeks or 200 miles, so you can keep riding in confidence. Visit us now in-store to discuss your new bike.

Product Highlights


Lightweight and stiff, OCLV 500 carbon soaks up road vibrations and provides a comfortable ride.


Shifting impeccably, this 11-speed, electronic groupset offers a professional level of performance.


The Madone's Kaamtail frame tube shapes make it one of the world's most aerodynamic road frames.


This top tube design uses an adjustable dampener to improve compliance at the rear of the bike.

Trek Madone SLR 7 Disc Road Bike 2021

Combining a sleek aerodynamic frameset constructed from Trek's incredibly light 800 Series OCLV carbon fibre with an electronic Shimano groupset and drag-reducing 50mm deep Bontrager Aeolus Pro 5 wheels, the Trek Madone SLR 7 Disc Road Bike is the ultimate race machine. It's versatile enough to excel on any terrain and uses flat mount disc brakes for powerful all-weather stopping and the capacity to fit wider tyres. IsoSpeed technology is incorporated into the top tube, including an elastomer to damp rebound so it's smooth and controlled, and the adjustability of this system means you can dial it in to perfectly suit your needs. Trek has designed this bike with an H1.5 fit, essentially the sweet spot for racers, so your position is optimised for aerodynamics without negatively impacting on comfort.

Just a small step down from Shimano's flagship electronic groupset, Ultegra Di2 is a smart choice thanks to trickle-down technology so you get all the performance of the top-tier offering with only a minimal weight penalty. A mid-compact chainset and wide-ranging cassette ensure you have all the gears you need for comfortable climbing, high-speed descents and powerful sprint finishes. Completing the build are an aero bar, stem and seatpost, with the latter allowing you to integrate a Bontrager Flare RT tail light (available separately).


  • 800 Series OCLV Carbon is the lightest laminate Trek has ever made, and it makes the Madone faster on any terrain, in any conditions
  • Adjustable Top Tube IsoSpeed lets you adjust compliance to your preference, and it's damped with an elastomer so it rebounds in a smooth, controlled, stable motion
  • H1.5 Fit is the sweet-spot geometry of a low aero riding position that's comfortable on long days in the saddle
  • Built for flat-mount disc brakes for extra tyre clearance and all-weather stopping power
  • A separate bar and stem with an aero carbon faceplate gives you great adjustability without compromising on aerodynamics
  • Electronic Ultegra Di2 11-speed components
  • Bontrager Aeolus Pro 5, OCLV Carbon 50mm deep wheels
  • The Madone seatpost has an integrated mount for the Bontrager Flare RT tail light

Technical Specification

Frame Trek 800 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, adjustable top tube IsoSpeed, invisible cable routing, 3S aero chain keeper, T47 BB, DuoTrap S compatible, flat mount disc, 142x12mm thru-axle
Fork Trek Madone KVF full carbon, tapered carbon steerer, invisible cable routing, flat mount disc, carbon dropouts, 12x100mm thru-axle
Headset Trek Madone integrated, stainless cartridge bearings, sealed, 1-3/8˝ top, 1.5˝ bottom
Bottom Bracket Praxis Works, T47 threaded, internal bearing
Stem Trek Madone aero, invisible cable routing, 7 degree
Handlebar Trek Madone adjustable aero VR-CF, OCLV Carbon, invisible cable routing, 93mm reach, 123mm drop
Bar Tape Bontrager Supertack Perf tape
Front Brake Shimano Ultegra hydraulic disc, flat mount
Rear Brake Shimano Ultegra hydraulic disc, flat mount
Brake Levers Shimano Ultegra Di2 R8070
Front Derailleur Shimano Ultegra R8050 Di2, braze-on
Rear Derailleur Shimano Ultegra R8050 Di2, short cage, 30T maximum cog
Shift Levers Shimano Ultegra Di2, R8070, 11-speed
Chain Shimano Ultegra HG701, 11-speed
Cassette Shimano Ultegra R8000, 11-30, 11-speed
Crankset Shimano Ultegra R8000, 52/36
Front Wheel Bontrager Aeolus Pro 5, OCLV Carbon, tubeless-ready, 19.5mm rim width, 50mm rim depth, 100x12 thru-axle
Rear Wheel Bontrager Aeolus Pro 5, OCLV Carbon, tubeless-ready, 19.5mm rim width, 50mm rim depth, 142x12 thru-axle
Front Tyre Bontrager R3 Hard-Case Lite, aramid bead, 120 TPI, 700x25c, clincher
Rear Tyre Bontrager R3 Hard-Case Lite, aramid bead, 120 TPI, 700x25c, clincher
Saddle Bontrager Aeolus Elite, austenite rails, 145mm width
Seatpost Trek Madone aero carbon internal seatmast cap, integrated light mount, 25mm offset
Pedals Available to be purchased separately
Manufacturer Claimed Weight 8.08kg / 17.81lbs (size 56)

Built, Checked, Tuned and Tested

All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if specified), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.

All bikes collected from our shop, are built, tested and ready to ride.

Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. We do not install accessories to bikes, including mudguards.

Trek Madone SLR 7 Disc Road Bike 2021 Sizing

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