Trek Slash 9.9 XX1 Flight Attendant Gen 5

The "Slash 9.9 XX1 Flight Attendant Gen 5" model from Trek, released in 2023, is a high-quality mountain bike designed for discerning riders. Priced at €11,499, this bike offers a wide range of technical features and specifications that make it a top-of-the-range model in its category.

The frame of the Slash 9.9 XX1 is made from OCLV Mountain Carbon for both the main frame and the seat stays. It features an internal storage compartment, a tapered head tube and the Knock Block 2.0, which protects the head tube from damage. Other features include the internal Control Freak cable routing, Carbon Armour, a Shuttle-Guard, a threaded bottom bracket and ISCG 05. The seat tube has a diameter of 34.9 mm and the magnesium pivot lever provides additional stability. Mino Link technology and the ABP (Active Braking Pivot) system contribute to improved riding dynamics. The maximum rider weight is 136 kg, whilst the bike itself weighs in at 14 kg.

For the brakes, Trek has opted for the SRAM HS2 models with a 6-hole mount. Brake discs with a diameter of 180 mm or 200 mm can be fitted at both the front and rear. The SRAM Eagle AXS shifter enables wireless and precise control of the 12-speed drivetrain.

The RockShox ZEB Ultimate fork, with its DebonAir spring and Charger 2.1 RCT3 AXS damping, offers 170 mm of travel. It is fitted with a tapered 1.5" steerer tube, a 44 mm offset and a Boost110 mount. The crankset consists of the SRAM XX1 Eagle model with Flight Attendant technology and a 30-tooth aluminium chainring.

The drivetrain comprises a SRAM XX1 Eagle 12-speed groupset and a SRAM Eagle XG-1299 cassette with a range of 10–52 teeth. The handlebars are an integrated unit comprising the handlebars and stem, made from OCLV carbon, with a width of 820 mm and a rise of 27.5 mm.

Riding comfort is ensured by the Bontrager XR Trail Pro grips with aluminium clamps and the Bontrager Arvada saddle with austenitic struts and a width of 138 mm. The seatpost is a RockShox Reverb AXS with 170 mm of travel and wireless control.

The wheelset consists of Bontrager Line Pro 30 rims made from OCLV Mountain Carbon, which are tubeless-ready and feature a 6-hole disc mount. The Rapid Drive 108 freehub body ensures rapid power transfer.

The bike’s geometry comprises a reach of 52 mm, a stack of 65 mm, a seat tube length of 50 mm and a top tube length of 68 mm. The head tube angle is 65 degrees, and the seat tube angle is 67 degrees. The head tube length is 14 mm, the chainstay length is 44 mm and the standover height is 78 mm. The wheelbase is 130 mm.

Overall, the Slash 9.9 XX1 Flight Attendant Gen 5 from Trek offers an impressive combination of advanced technology and high-quality materials, making it a first-class mountain bike for ambitious riders.