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Speed Concept TT
Speed Concept TT
Trek

Trek Speed Concept TT Frameset 2026 in Deep Smoke/Gloss Black Smoke/Trek Black

£6,100.00
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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
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Hassle free returns

In the unlikely event that you are not satisfied with your purchase please feel free to return your items within 90 days of the purchase date for a full exchange or refund. Any item (excluding food, underwear or e-gift vouchers) can be returned to us for any reason within 90 days, provided that the item has not been used or fitted and is returned in its original packaging with valid proof of purchase.

It is recommended that you use a recorded delivery service or return to a store to ensure your items are received by us. We cannot assume responsibility for items that are lost in transit back to us.




Terms & Conditions

Items must be returned in their original packaging and unused. Refunds will be issued once the product(s) have been received and inspected.

Click & Collect customers can buy with confidence knowing that they can review the item before deciding whether it is right for you before leaving the store. Should you decide it's not right for you, it can be conveniently exchanged or refunded straight away, or you still have up to 90 days to return it if you are still unsure.

Please note:
1. If the items we have sent you are faulty, damaged or not as we described, we will cover the cost of collection and the delivery of the correct item.

2. If we have delivered the correct bike but upon inspection, you decide the bike is not the one for you, we will charge you £50 for collection (£100 from Northern Ireland). If you do not have the original box in usable condition, we will charge you an additional £15 to provide one.

Refunds will be processed using the same method of payment used for the original purchase. Credit & debit card refunds must be made to the card used for the original purchase.

We are unable to offer a refund without a valid proof of purchase.

Trek Speed Concept TT Frameset 2026 in Deep Smoke/Gloss Black Smoke/Trek Black

Season:2026

Brand:Trek

Code:35746SMKGLSBLK

The Speed Concept TT frame set 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.

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.

Ultra-lightweight 800 series oclv carbon frame, drag-reducing kammtail virtual foil (kvf) tube shaping, speed concept full foil carbon fork. Comes with an integrated brake set and stem. Designed for a t47 bottom bracket. What you need for speed and nothing more.

Complete your buildperfect fit, the first time. When you buy a speed concept frame set, size-specific proprietary components like the seat post and cockpit parts are sold separately to ensure that you get the right parts for your unique measurements.

Key Features & Benefits:

  • Easy build, easy travel: fast assembly makes it easier to travel to races
  • You get an ultra-light disc frame that's made using 800 Series OCLV Carbon
  • Size-specific components like seat post, base bar and extensions are sold separately, so you can achieve the perfect fit without leaving behind a box full of take-off parts

Full Specification:

  • Frame: 800 Series OCLV Carbon, KVF (Kammtail Virtual Foil) tube shape, T47 BB
  • Fork: SC full foil carbon, integrated brake & stem
  • Frame fit: Triathlon
  • Max tyre size: 28c rear, 25c front
  • Max. chainring size: 1x: 58T 2x: 55/47
  • Max brake rotor sizes: 160 mm front and rear
Manufacturers reserve the right to change specifications without notice based on availability at the point of assembly.

Size Guide for Trek Speed Concept TT


SizeRider HeightInseam
S

154 - 167 cm

5'1" - 5'6"

72 - 80 cm

28" - 31"

M

167 - 175 cm

5'6" - 5'9"

77 - 83 cm

30" - 33"

L

175 - 186 cm

5'9" - 6'1"

82 - 88 cm

32" - 35"

XL

186 - 198 cm

6'1" - 6'6"

87 - 93 cm

34" - 37"



Geometry Information for TrekSpeed Concept TT

Frame size letterWheel sizeA —Seat tubeB —Seat tube angleC —Head tube lengthD —Head angleE —Effective top tubeG —Bottom bracket dropH —Chainstay lengthI —OffsetJ —TrailK —WheelbaseL —StandoverM —Frame reachN —Frame stackSaddle rail height min (w/short mast)Saddle rail height max (w/short mast)Saddle rail height min (w/tall mast)Saddle rail height max (w/tall mast)
S700c49.976.0°6.572.0°51.87.241.04.56.398.275.139.848.455.966.664.975.6
M700c52.576.0°9.072.0°54.47.241.04.56.3101.077.641.750.958.069.267.078.2
L700c54.976.0°11.572.0°56.67.241.04.56.3103.480.043.453.360.471.569.480.5

Sizing Information
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