Trek Speed Concept TT Frameset


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Speed Concept TT Frameset is an aerodynamic carbon time trial bike engineered for incredible speed and seamless integration so you can leave it all on the course.The ultra-light and ultra-aero Kammtail Virtual Foil frame and fork are designed to help you beat your best while leaving the competition in the dust.

It’s right for you if…
You race time trials and want to build up a TT bike that’ll land you on the top step of the podium. You’re looking for all of the lightweight and aerodynamic advantages of Speed Concept without any extra weight. In your quest for incredible speed, you’re willing to do without some of the mainline model’s integrated features like IsoSpeed and nutrition storage.

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. Designed for a T47 bottom bracket.

The final word
What you need for speed-and nothing more. Speed Concept TT Frameset is even more svelte than our mainline models for the ultimate in lightweight performance that delivers race-winning results on the time trial course.

Why you’ll love it:
– Easy build, easy travel: fast assembly makes it easier to travel to races
– Crush time trials with an ultra-streamlined frame that’s designed for pure speed
– Make it yours: it’s fully customizable through Project One. Choose your model. Choose your paint. Choose your parts.


Geometry Chart:
Frame size Small Medium Large
Wheel size 700c 700c 700c
A — Seat tube (cm) 49.9 52.5 54.9
B — Seat tube angle 76.0° 76.0° 76.0°
C — Head tube length (cm) 6.5 9 11.5
D — Head angle 72.0° 72.0° 72.0°
E — Effective top tube (cm) 51.8 54.4 56.6
G — Bottom bracket drop (cm) 7.2 7.2 7.2
H — Chainstay length (cm) 41 41 41
I — Offset (cm) 4.5 4.5 4.5
J — Trail (cm) 6.3 6.3 6.3
K — Wheelbase (cm) 98.2 101 103.4
L — Standover (cm) 75.1 77.6 80
M — Frame reach (cm) 39.8 41.7 43.4
N — Frame stack (cm) 48.4 50.9 53.3
Saddle rail height min (w/short mast) (cm) 55.9 58 60.4
Saddle rail height max (w/short mast) (cm) 66.6 69.2 71.5
Saddle rail height min (w/tall mast) (cm) 64.9 67 69.4
Saddle rail height max (w/tall mast) (cm) 75.6 78.2 80.5


Frame 800 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, T47 BB
Fork SC full foil carbon, integrated brake & stem
Axles Bontrager Switch thru axle, removable lever

* Subject to change without notice.


Option UPC MPN Store SKU
Deep Smoke/Gloss Trek Black / Small 601842677339 5268646 SPE40607968K
Deep Smoke/Gloss Trek Black / Medium 601842677346 5268647 SPE40983022K
Deep Smoke/Gloss Trek Black / Large 601842677353 5268648 SPE40316815K


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