Trek Top Fuel 9.9 XX1 AXS

The 2022 Trek Top Fuel 9.9 XX1 AXS is a state-of-the-art mountain bike designed for challenging trails and dedicated riders. Priced at 12,099 EUR, it ranks among the premium models on the market. The frame is made from OCLV Mountain Carbon, which provides an excellent combination of lightness and stability. It features an internal storage compartment, a tapered head tube, the Knock Block 2.0, internal cable routing and a down tube guard. The magnesium lever and the Mino Link system contribute to the frame’s adaptability and robustness. Furthermore, the Active Braking Pivot (ABP) and the Boost148 standard provide excellent riding stability with 120 mm of travel.

The bike’s maximum load capacity is 136 kg, whilst the bike itself weighs just 11 kg, making it one of the lightest in its class. Braking performance is ensured by the SRAM G2 Ultimate hydraulic disc brakes with carbon brake levers, fitted with 160 mm and 180 mm SRAM Centreline discs at the front and rear respectively. The drivetrain is powered by the wireless SRAM Eagle AXS 12-speed system, which enables precise and reliable gear changes.

The RockShox SID Ultimate fork, featuring DebonAir suspension and Charger Race Day damping, offers 120 mm of travel and ensures a smooth ride over rough terrain. The crankset consists of an SRAM XX1 Eagle with an aluminium chainring (30T) and a 55 mm chainline. The cassette is an SRAM Eagle XG-1299 with a 10–52-tooth range.

The cockpit is dominated by the Bontrager RSL integrated handlebar/stem unit made from OCLV Carbon, which has a width of 820 mm and a rise of 27.5 mm. The stem is 45 mm long and has a rise of 0 degrees. The integrated headset with Knock Block 2.0 offers a radius of 72 degrees and is fitted with sealed cartridge bearings.

The tyres are Bontrager XR4 Team Issue in size 29 x 2.40, fitted to Bontrager Line Pro 30 wheelsets made from OCLV Mountain Carbon, which are tubeless-ready and feature Rapid Drive 108. The saddle is a Bontrager Arvada with austenitic struts and a width of 138 mm, whilst the seatpost is a wireless RockShox Reverb AXS with a travel of 150 mm.

The bike’s geometry comprises a reach of 47 mm, a stack of 60 mm, a seat tube length of 44 mm, a top tube length of 61 mm, a head tube angle of 66 degrees, a seat tube angle of 70 degrees, a head tube length of 10 mm, a chainstay length of 43 mm, a standover height of 74 mm and a wheelbase of 120 mm. The packaging dimensions are 23 mm wide, 119 mm high and 201 mm long.

In summary, the Trek Top Fuel 9.9 XX1 AXS is a first-class mountain bike that impresses with its high-quality components, well-thought-out geometry and advanced technology. It offers outstanding performance for ambitious riders who want to get the most out of their trail adventures.