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The Madone SL 6 Gen 8 is a lightweight aero road bike that brings elite racing tech to a lower price point.
The Madone SL 6 Gen 8 is a lightweight aero road bike that brings elite racing tech to a lower price point.
Trek

Trek Madone SL 6 Gen 8 Road Bike in Gloss Dark Star/Matte Deep Smoke

€4,799.00
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Fuss-free Returns

Obviously we want you to be happy with every product you purchase from us, whether online or in store. Please do not remove labels from products or dispose of packaging while you are making up your mind as this may affect your ability to return an item. If you choose to return an item it must reach us in original unused condition with all labels attached and any packaging that may have formed part of the item i.e. boxed goods. At all times your statutory rights are protected.

MAKING A RETURN

In the event that you are not satisfied or have changed your mind, you may return any item or items within 14 days of the dispatch date and, following inspection of the product, we will refund you for the cost of the item minus the outgoing delivery charge (minimum charge €5.99) via the original payment method used. Please note that the cost of return is not the responsibility of Altitude. We reserve the right not to accept ‘change of mind’ returns outside of this period. Goods may also be returned in person to our store.

Returns should be posted to: Online Returns, Altitude, 22 Ballybricken, Waterford City, Ireland. X91 V6VA

CANCELLATION POLICY

You can cancel or amend any order (or part of an order) placed with us, provided that the order has not yet entered the dispatch process. You will receive a full refund, including postage, via the original method of payment.

If your order, or part of it, has entered the dispatch process, you can refuse to accept the delivery of the item. It will be returned to us as undeliverable where we will refund the amount for the item however, you will still incur costs for the outward postage.

Trek Madone SL 6 Gen 8 Road Bike in Gloss Dark Star/Matte Deep Smoke

Season:2026

Brand:Trek

Code:57662BLK

The Madone SL 6 Gen 8 is a lightweight aero road bike that brings elite racing tech to a lower price point.

New light and fast aero tube shaping paired with light-yet-economical 500 Series OCLV Carbon makes Gen 8 the lightest Madone SL Disc f/s ever and the ideal climbing bike.

Revolutionary new Full System Foil aero tube shapes improve airflow over the whole bike while maintaining the lightness that climbers crave. Plus, the bike’s entire rider system was meticulously designed and rigorously tested to be faster everywhere.

The race-focused comfort tech was refined to be lighter and have nearly double the vertical compliance so you can ride stronger for longer.

The Madone SL was informed by feedback from Lidl-Trek's fastest sprinters and climbers.

Technical Information
  • Frame Size
    S, XL, XS, L, M, ML
  • Frame
    500 Series OCLV Carbon, Full System Foil tube shaping, IsoFlow seat tube, RCS Headset System, electronic or mechanical routing, removable aero chain keeper, T47 BB, flat mount disc, UDH, 142x12 mm thru axle
  • Fork Size
    S, XL, XS, L, M, ML
  • Fork
    Madone Gen 8 full carbon, tapered carbon steerer, internal brake routing, flat-mount disc, 12x100 mm chamfered thru axle
  • Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 125 kg (275 lb).
  • Front Derailleur Size
    S, XL, XS, L, M, ML
  • Front Derailleur
    Shimano 105 R7150 Di2, braze-on, down swing
  • Rear Derailleur Size
    S, XL, XS, L, M, ML
  • Rear Derailleur
    Shimano 105 R7150 Di2, 36T max cog
  • Crank
    S, XS: Shimano 105 R7100, 50/34, 165 mm length; M, ML: Shimano 105 R7100, 50/34, 170 mm length; XL, L: Shimano 105 R7100, 50/34, 172.5 mm length
  • Bottom Bracket Size
    S, XL, XS, L, M, ML
  • Bottom Bracket
    Praxis, T47 threaded, internal bearing
  • Cassette Size
    S, XL, XS, L, M, ML
  • Cassette
    Shimano 105 7101, 11-34, 12-speed
  • Chain Size
    S, XL, XS, L, M, ML
  • Chain
    Shimano SLX M7100, 12-speed
  • Max. chainring size
    1x: 54T, 2x: 56/43
  • Front Wheel Size
    S, XL, XS, L, M, ML
  • Front Wheel
    Bontrager Aeolus Elite 50, OCLV Carbon, Tubeless Ready, 100x12 mm thru axle
  • Rear Wheel Size
    S, XL, XS, L, M, ML
  • Rear Wheel
    Bontrager Aeolus Elite 50, OCLV Carbon, Tubeless Ready, 50 mm rim depth, Shimano 11-speed freehub, 142x12 mm thru axle
  • Front Skewer Size
    S, XL, XS, L, M, ML
  • Front Skewer
    Bontrager Switch chamfered thru axle, removable lever
  • Rear Skewer Size
    S, XL, XS, L, M, ML
  • Rear Skewer
    Bontrager Switch chamfered thru axle, removable lever
  • Tire Size
    S, XL, XS, L, M, ML
  • Tire
    Bontrager R3 Hard-Case Lite, Tubeless Ready, aramid bead, 170 tpi, 700x28 mm
  • Rim Strip Size
    S, XL, XS, L, M, ML
  • Rim Strip
    Bontrager TLR
  • Max tyre size
    32 mm (as measured, see manual for details)
  • Saddle Size
    S, XL, XS, L, M, ML
  • Saddle
    Bontrager Aeolus Elite, austenite rails, 145 mm width
  • Seatpost Size
    S, XL, XS, L, M, ML
  • Seatpost
    Madone aero carbon seat post, 0 mm offset, short length
  • Handlebar
    XS: Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 36 cm control width, 40 cm drop width; S, M: Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 38 cm control width, 42 cm drop width; L, ML: Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 40 cm control width, 44 cm drop width; XL: Bontrager Comp, alloy, 31.8 mm, 80 mm reach, 121 mm drop, 42 cm control width, 46 cm drop width
  • Handlebar Tape Size
    S, XL, XS, L, M, ML
  • Handlebar Tape
    Trek EcoTack
  • Stem
    XS: Trek RCS Pro, -7-degree, 80 mm length; S, M: Trek RCS Pro, -7-degree, 90 mm length; L, ML: Trek RCS Pro, -7-degree, 100 mm length; XL: Trek RCS Pro, -7-degree, 110 mm length
  • Rotor size
    Max brake rotor sizes: 180 mm front, 160 mm rear
Sizing Information
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