Trek Speed Concept SLR 9 AXS

The "Speed Concept SLR 9 AXS" model from the Trek brand from 2024 is a state-of-the-art triathlon and time trial bike that is known for its outstanding aerodynamics and performance. With a price tag of EUR 14,499, this bike is aimed at ambitious athletes who do not want to compromise on equipment and technology.

The frame of the Speed Concept SLR 9 AXS is made from 800 Series OCLV Carbon and uses the KVF (Kammtail Virtual Foil) tube profile to minimise drag. The T47 bottom bracket ensures efficient power transmission, while the integrated Bento Box and the down tube storage compartment offer additional storage space. The permissible total weight is 136 kg, and the bike itself weighs just 8 kg, making it one of the lightest models in its class.

The braking system comprises SRAM RED hydraulic disc brakes at the front and rear, combined with SRAM S-900 Aero brake levers and CenterLine X brake discs with a size of 160 mm. These components ensure reliable and precise braking performance in all conditions.

The shifting system is completely wireless and consists of the SRAM eTap AXS BlipBox, SRAM eTap Clics for boom mounting and the SRAM eTap AXS Wireless Blips for base handlebar mounting. The front derailleur is also a braze-on version of the SRAM RED eTap AXS, which enables fast and precise shifting performance.

The fork is an SC full foil carbon with integrated brake and stem, which contributes to the aerodynamic efficiency of the bike. The crankset is a SRAM RED AXS with power meter and a chainring combination of 48/35 teeth and a crank arm length of 172.5 mm. The sprocket is a SRAM XG-1290 with a gradation of 10-33 teeth and offers 12 gears.

The handlebar is a Speed Concept mid-rise bar/stem, which is optimised for comfort and aerodynamics. The tyres are Bontrager R3 in size 700 x 25, mounted on Bontrager Aeolus RSL 51 wheels made of OCLV carbon, which are tubeless ready and have a profile height of 51 mm.

The saddle is a Bontrager Hilo Pro Carbon, which is mounted on a Speed Concept SLR seatpost that allows an offset of 11.5 mm or -20 mm. The packaging dimensions are 21 mm in width, 119 mm in height and 189 mm in length.

The geometry of the bike includes a reach of 42 mm, a stack of 52 mm, a seat tube length of 52 mm and a top tube length of 52 mm. The head tube angle is 72 degrees, while the seat tube angle is 78 degrees. The head tube length is 9 mm, the chainstay length is 41 mm and the standover height is 78 mm. The total wheelbase is 100 mm.

To summarise, the Trek Speed Concept SLR 9 AXS offers an impressive combination of lightness, aerodynamics and state-of-the-art technology, making it a first-class choice for demanding triathletes and time trialists.