Trek Domane SLR 9 Gen 4

The 2023 Domane SLR 9 Gen 4 from Trek is a state-of-the-art road bike that is characterised by its first-class technical specifications and high-quality equipment. With a price tag of EUR 13,499, it is aimed at discerning cyclists who value performance and quality.

The frame of the Domane SLR 9 Gen 4 is made of 800 Series OCLV Carbon and is equipped with IsoSpeed technology, which provides additional comfort on long rides. The frame has an integrated storage compartment, a tapered head tube, internal cable routing, a 3S chain guide, mudguard eyelets and a flat mount disc brake mount. The thru axle measures 142 x 12 mm, which provides additional stability. The permissible total weight is 125 kg, while the bike itself weighs just 7 kg.

Braking power is provided by Shimano Dura-Ace BR-9270 hydraulic disc brakes with flat mount calipers and resin pads with cooling fins at the front and rear. Both brakes are equipped with Shimano MT900 brake discs with centre lock mount and a diameter of 160 mm.

The drivetrain consists of a Shimano Dura-Ace R9270 Di2 shifter with 12 gears and a Shimano Dura-Ace R9250 Di2 front derailleur in the braze-on version. The crankset is a Shimano Dura-Ace R9200 with a 50/34 ratio and a crank arm length of 175 mm. The sprocket is a Shimano Dura-Ace R9200 with a gradation of 11-34 teeth and also 12-speed.

The Domane SLR 9 Gen 4 is equipped with a Domane SLR carbon fork with internal brake cable routing, mudguard eyelets, flat mount disc brake mount and carbon dropouts. The front thru axle measures 12 x 100 mm.

The handlebar is a Bontrager Pro IsoCore VR-SF with a width of 44 cm, combined with a Trek RCS Pro stem with a -7 degree angle and a length of 110 mm. The wheelset consists of Bontrager Aeolus RSL 37 OCLV carbon rims, which are tubeless ready and have a profile height 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 stays and a width of 145 mm, mounted on a Domane carbon seatpost with KVF profile, an offset of 20 mm and a length of 320 mm.

The geometry data includes a seat tube length of 57 mm, a top tube length of 58 mm, a head tube angle of 72 degrees and a seat tube angle of 73 degrees. The head tube length is 22 mm, the chainstay length is 42 mm and the standover height is 82 mm. The wheelbase is 103 mm in total.

The bike is packaged in the following dimensions: Width 21 mm, height 119 mm and length 189 mm. The reach is 38 mm and the stack is 63 mm.

To summarise, the Trek Domane SLR 9 Gen 4 offers a combination of advanced technology, high-quality components and sophisticated design that is perfect for demanding road cyclists.