Trek Supercaliber 9.8 GX Gen 1

The 2021 ‘Supercaliber 9.8 GX Gen 1’ model from Trek is a highly advanced mountain bike designed for demanding riders. Priced at 6,099 EUR, it offers a wide range of technical features and high-quality components.

The frame of the Supercaliber 9.8 GX Gen 1 is made from OCLV Mountain Carbon for the main frame and seat stays. It is equipped with IsoStrut technology, which comprises a tapered head tube, the Knock Block and internal Control Freak cable routing. The frame offers 60 mm of travel and utilises the Boost148 standard. The bike’s maximum load capacity is 136 kg, whilst its weight is just 10 kg.

The braking system features Shimano Deore XT M8100 hydraulic disc brakes at the front and rear. The brake discs measure 160 mm and 180 mm respectively and are fitted with a 6-hole mounting pattern. The maximum brake disc diameters are also 160 mm and 180 mm respectively.

The gear system is based on the SRAM GX Eagle with a 12-speed drivetrain, which enables precise and fast gear changes. The bike’s fork is the FOX Performance 32 Step-Cast, which is fitted with a Float EVOL air spring, GRIP damping with two positions and a remote lockout. It offers 100 mm of travel and uses a Boost110 axle with a 15 mm Kabolt axle.

The Supercaliber 9.8 GX Gen 1 is fitted with an SRAM Eagle XG-1275 cassette with a 10–52-tooth range, also in the 12-speed version. The handlebars are Bontrager Kovee Pro made from OCLV carbon, with a diameter of 35 mm, a rise of 5 mm and a width of 720 mm. The grips are ESI Chunky, which provide extra comfort.

The stem is also a Bontrager Kovee Pro, compatible with the Knock Block and Blendr systems, with a 13-degree angle and a length of 80 mm. The headset is integrated and features cartridge bearings with a 62-degree radius.

The tyres are Bontrager XR2 Team Issue, which are Tubeless Ready and feature Inner Strength sidewall protection as well as an aramid bead core. They measure 29 x 2.20 inches and have a TPI of 120. The wheelset consists of Bontrager Kovee Pro 30 Carbon rims, which are also Tubeless Ready and fitted with a Rapid Drive 108 hub.

The saddle is a Bontrager Montrose Elite with titanium rails and a width of 138 mm. The seatpost is a Bontrager Pro made from OCLV carbon with a diameter of 31.6 mm, an offset of 0 mm and a length of 400 mm.

The bike’s packaging dimensions are 30 mm wide, 82 mm high and 159 mm long. Further geometric data include a reach of 46 mm, a stack of 59 mm, a seat tube length of 47 mm, a top tube length of 62 mm, a head tube angle of 69 degrees, a seat tube angle of 71 degrees, a head tube length of 9 mm, a chainstay length of 43 mm, a standover height of 79 mm and a wheelbase of 114 mm.

In summary, the Trek Supercaliber 9.8 GX Gen 1 is a high-quality mountain bike that impresses with its advanced technology and high-quality components, and is particularly well-suited to demanding riders.