Trek Domane SLR 9 AXS Gen 4

The 2023 ‘Domane SLR 9 AXS Gen 4’ model from Trek is a state-of-the-art road bike that stands out for its advanced technology and high-quality components. Priced at EUR 14,499, it is aimed at discerning cyclists who do not wish to compromise on performance or quality.

The frame of the Domane SLR 9 AXS Gen 4 is made from 800 Series OCLV Carbon and, thanks to IsoSpeed technology, offers excellent shock absorption and comfort over long distances. The integrated storage compartment, tapered head tube and internal cable routing highlight the well-thought-out design. The frame is also fitted with a 3S chain guide, mudguard eyelets and a flat-mount disc brake mount. The thru-axle measures 142 x 12 mm, providing additional stability. The maximum load capacity is 125 kg, whilst the bike itself weighs just 7 kg.

The bike’s braking system consists of SRAM Red AXS hydraulic disc brakes, fitted to both the front and rear. Both brakes are fitted with SRAM CenterLine X discs featuring Centre Lock and rounded edges, each with a diameter of 160 mm. The shift levers are also from SRAM Red eTap AXS and offer 12-speed shifting. The front derailleur is a brazed-on version of the SRAM Red eTap AXS.

The bike’s fork is a Domane SLR carbon fork with a tapered carbon steerer tube, internal brake routing, mudguard mounts, flat-mount disc brake mounts and carbon dropouts. It is fitted with a 12x100 mm thru-axle. The crankset consists of an SRAM RED AXS with a power metre and has a gear ratio of 46/33 teeth, as well as a crank arm length of 165 mm. The cassette is a SRAM XG-1290 with a range of 10–33 teeth and is also a 12-speed cassette.

The handlebars are Bontrager Pro IsoCore VR-SF with a width of 38 cm, whilst the stem is a Trek RCS Pro with a -7-degree angle and a length of 70 mm. The wheelset consists of Bontrager Aeolus RSL 37 OCLV carbon rims, which are tubeless-ready and have a rim depth of 37 mm. The thru-axles measure 100 x 12 mm at the front and 142 x 12 mm at the rear.

The saddle is a Verse Short Pro with carbon rails and a width of 155 mm. The seatpost is a Domane carbon seatpost with a KVF profile, a 20 mm offset and a length of 280 mm.

The bike’s packaging dimensions are 21 mm wide, 119 mm high and 189 mm long. Further technical specifications include a reach of 36 mm, a stack of 53 mm, a seat tube length of 42 mm, a top tube length of 51 mm, a head tube angle of 71 degrees, a seat tube angle of 75 degrees, a head tube length of 11 mm, a chainstay length of 42 mm, a standover height of 69 mm and a wheelbase of 99 mm.

In summary, the Trek Domane SLR 9 AXS Gen 4 offers an impressive combination of light weight, advanced technology and high-quality components, making it an outstanding road bike for ambitious riders.