2024 Trek Speed Concept SLR 9

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  • Regular price $18,999.99

The Speed Concept SLR 9 is an aerodynamic carbon triathlon bike engineered for incredible speed and seamless integration. Every bit of this bike – from the light aero frame to ride-smoothing IsoSpeed to cutting-edge fuel and hydration systems – has been painstakingly designed to help you beat your PR again, and again, and again.

It's right for you if...

You leave it all on the course and want a tri bike that does the same. You want blazing-fast aero speed, a Shimano Dura-Ace wireless electronic drivetrain for precise shifts and loads of integrated accessories that make hydrating and re-fuelling easy.

The tech you get

Ultra-lightweight 800 Series OCLV Carbon frame, drag-reducing Kammtail Virtual Foil (KVF) tube shaping, Speed Concept full foil carbon fork, road-smoothing IsoSpeed, integrated fuel storage, hydration and flat kit storage, Shimano Dura-Ace wireless electronic 12-speed drivetrain, fully integrated handlebar and stem, Bontrager Hilo Pro Carbon triathlon-specific saddle for an aggressive aero position, disc brakes for reliable stopping power and aero Bontrager Aeolus RSL 51 OCLV Carbon wheels.

The final word

The Speed Concept is as fast as it is smart. It's simple, thoughtful design and integrated features ensure a less stressful race day, help you achieve your fastest bike splits ever and set you up for a successful run. The SLR 9 also gives you the performance boost of Shimano's best drivetrain and high-end Bontrager carbon wheels.

Why you'll love it

  1. Smart integrated fuel and hydration storage makes it simple and stress-free to stay strong without leaving your aero position
  2. The Top Tube IsoSpeed takes the edge off rough roads and is damped with an elastomer so it rebounds in a smooth, controlled, stable motion
  3. Easy build, easy travel: fast assembly makes it easier to travel to races
  4. All-new wireless Dure-Ace Di2 delivers faster, smoother and more responsive shifts than ever
  5. Make it yours: it's fully customisable through Project One Choose your model. Choose your paint. Choose your parts.

Colour Options:

- Deep Smoke/Gloss Black

- Viper Red/Black

- Mulsanne Blue/Black

- Radioactive Coral/Black

- Emerald Iris/Black

- Hex Blue/Black

*Please note – spec applies to all sizes unless listed separately


Frame 800 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, T47 BB, integrated Bento box, integrated downtube storage
Fork SC full foil carbon, integrated brake & stem
Frame fit Triathlon

Weight M - 8.70 kg/19.19 lb
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).

Shifter Shimano Dura-Ace hydraulic disc, R9180 Di2 lever, R9270 calliper, 160 mm rotor
Front derailleur Shimano Dura-Ace R9250 Di2, braze-on, down swing
Rear derailleur Shimano Dura-Ace R9250 Di2, 34T max cog
*Crank Size: S
Shimano Dura-Ace R9200, 52/36, 170 mm length
Size: M, L
Shimano Dura-Ace R9200, 52/36, 172.5 mm length
Size: XL
Shimano Dura-Ace R9200, 52/36, 175 mm length
Bottom bracket Praxis, T47 threaded, internal bearing
Cassette Shimano Dura-Ace R9200, 11-30, 12-speed
Chain Shimano Dura-Ace/XTR M9100, 12-speed
Max. chainring size 1x: 58T, 2x: 55/44

Wheel front Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, 100x12 mm thru axle
Wheel rear Bontrager Aeolus RSL 51, OCLV Carbon, Tubeless Ready, 51 mm rim depth, Shimano 11/12 freehub, 142x12 mm thru axle
Skewer front Bontrager Switch thru-axle, removable lever
Skewer rear Bontrager Switch thru-axle, removable lever
Tyre Bontrager R4 320, 700x25 mm
Max tyre size 28mm rear, 25mm front

Saddle Bontrager Hilo Pro Carbon
*Seatpost Size: S
Speed Concept SLR, 11.5 mm or -20 mm offset, short length
Size: M, L, XL
Speed Concept SLR, 11.5 mm or -20 mm offset, tall length
*Handlebar part Size: S, M
Speed Concept 30 mm Base Tower
Size: S, M, L, XL
Speed Concept 45 mm Base Tower
Size: S
Speed Concept Cockpit Tower Topper Near
Size: M, L, XL
Speed Concept Cockpit Tower Topper Mid
Size: L, XL
Speed Concept 60 mm Base Tower
Handlebar/stem (integrated) Speed Concept mid-rise bar/stem
Handlebar tape Bontrager Supertack Perf tape
Brake Shimano Dura-Ace hydraulic disc
Brake rotor Shimano CL900, CentreLock, 160 mm
Rotor size Max brake rotor sizes: 160mm front & rear

Battery Shimano BT-DN300
Charger Charging cable included
Cage Speed Concept Downtube Bottle Cage
Bottle Speed Concept Downtube Bottle

We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.