Trek has revealed the bike which Jens Voigt will use his Hour Record attempt on September 18. The Trek Speed Concept 9 series bike has Shimano Dura-Ace drivetrain and full disc wheels.

It is a modified version of Trek’s standard time trial machine, which Trek Factory Racing team using in the road races. The biggest modifications are – changes in the rear dropouts to accommodate track hub spacing of 120mm, and removal of the front and rear integrated brakes (they replaced with carbon filler to maintain the same surface geometry as the standard Speed Concept).

Jens Voigt's Hour Record Attempt Bike
Jens Voigt’s Hour Record Attempt Bike-Trek Speed Concept 9-series – Track

The standard SRM/Shimano Dura-Ace 9000 crankset will be 54T, with no inner ring. The rear cassette probably will have 14 teeth.

Trek’s wheel supplier Bontrager doesn’t make disc wheels, that’s why there are Shimano full disc wheels labeled as Bontrager are on the bike. Each wheel is painted as they were a clock.

Jens Voigt’s Trek Speed Concept 9 Hour Record Bike Specifications

Trek Speed Concept 9-series – Track (XL-size)

Trek Speed Concept

Trek Speed Concept

Trek Speed Concept

Bontrager UCI legal Speed Concept Basebar

Custom Trek Made – 14T


Shimano Dura-Ace 9000 54T

SRM/Shimano 9000, 177.5mm

Bottom Bracket
Ceramic Speed, BB90

Shimano Dura-Ace 9000

Shimano Pro Carbon Track Tubular Disc

Schwalbe Track

Bontrager Team Issue TT

Seat Post
Bontrager Speed Concept, 50mm setback


Jens Voigt’S Height
190 cm

Jens Voigt’S Weight
79 kg

Saddle Height, From Bb (C-T)
84 cm

Tip Of Saddle Nose To C Of Bars (Next To Stem)
63.1 cm

C Of Front Wheel To Top Of Bars (Next To Stem)
51.6 cm

Top Tube Length (C-C)
56 cm

Total Bike Weight
8.45 kg

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M. Özgür Nevres

I am a software developer, a former road racing cyclist (at the amateur level) and a science enthusiast. Also an animal lover! I write about cycling on this website, You can check out my social media profiles by clicking on their icons.

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