Trek Supercaliber SLR 9.9 X0 AXS Gen 2

The "Supercaliber SLR 9.9 X0 AXS Gen 2" model from Trek, released in 2024, is a high-end mountain bike designed specifically for demanding riders. Priced at 8,999 EUR, this bike offers a host of technical refinements and high-quality components.

The frame of the Supercaliber SLR 9.9 is made from SLR OCLV Mountain Carbon and features IsoStrut technology, which provides 80 mm of suspension travel. The bike’s total weight is 11 kg, whilst the maximum rider weight is 136 kg.

Braking performance is provided by SRAM Level Silver hydraulic 4-piston disc brakes at the front and rear. The front and rear brake discs are SRAM HS2 with a 6-hole mounting and a choice of 160 mm or 180 mm diameter.

Gear changes are handled by the SRAM AXS POD Ultimate shifter and the SRAM X0 Eagle T-Type 12-speed drivetrain. The bike is fitted with a RockShox SID Ultimate fork, which features a DebonAir spring, Charger Race Day damping and a Dual Remote lockout. This fork offers 110 mm of travel and ensures optimum damping.

The crankset consists of the SRAM X0 Eagle T-Type with a 34-tooth chainring and a crank arm length of 175 mm. The cassette is an SRAM Eagle XS-1295 T-Type with a range of 10–52 teeth.

The handlebars are an integrated Bontrager RSL unit, made from OCLV carbon, with a width of 750 mm and a stem featuring a -13-degree rise and a length of 70 mm. The headset is an FSA IS-2, measuring 1 1/8" at the top and 1.5" at the bottom.

The wheelset consists of the new Bontrager Kovee Pro 30 carbon rims, which are tubeless-ready and feature a Rapid Drive 108 hub and a 6-hole disc mount. The front axle is a Boost 110, 15 mm thru-axle, whilst the rear axle is a Boost 148, 12 mm thru-axle.

The saddle is a Bontrager Aeolus Elite with austenitic struts and a width of 145 mm. The seatpost is a wireless RockShox Reverb AXS with 150 mm of travel and a length of 440 mm.

The frame geometry offers a reach of 45 mm, a stack of 59 mm, a seat tube length of 44 mm and a top tube length of 60 mm. The head tube angle is 68 degrees, whilst the seat tube angle is 71 degrees. The head tube length is 9 mm, the chainstay length is 44 mm, the standover height is 77 mm and the wheelbase measures 115 mm in total.

In summary, the Trek Supercaliber SLR 9.9 X0 AXS Gen 2 offers an impressive combination of lightweight construction, advanced suspension technology and precise shifting and braking performance, making it an ideal companion for ambitious mountain bikers.