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The 2021 "Top Fuel 9.8 GX" model from Trek is a high-quality mountain bike designed for demanding riders. Priced at 6,599 EUR, it offers a wide range of technical features that ensure both performance and comfort.
The bike’s frame is made from OCLV Mountain Carbon, which is used for both the main frame and the stays. This frame features a tapered head tube, the Knock Block, internal Control Freak cable routing and Carbon Armor. A magnesium pivot lever and the Mino Link provide additional stability and adaptability. The Active Braking Pivot (ABP) and the Boost148 standard offer 115 mm of travel, guaranteeing optimum suspension and control.
The bike’s maximum load capacity is 136 kg, whilst the bike itself weighs just 11 kg, making it lightweight yet robust. SRAM G2 RS hydraulic disc brakes at both the front and rear ensure reliable braking power. The brake discs feature a 6-hole mounting pattern and rounded edges; the front brake disc has a diameter of 180 mm and the rear one a diameter of 160 mm.
Gear changes are handled by the SRAM GX Eagle 12-speed system, which enables precise gear changes. The RockShox SID Select+ fork offers 120 mm of travel and is fitted with a DebonAir spring and Charger 2 RL damping. The crankset consists of an SRAM GX 7K Eagle with a 32-tooth aluminium chainring and a Boost crank arm length of 175 mm. The cassette is an SRAM Eagle XG-1275 with a 10–52-tooth range.
The handlebars are Bontrager Line Pro made from OCLV carbon, with a width of 750 mm and a rise of 15 mm. The stem, also from Bontrager, is the Kovee Pro with a length of 70 mm and an angle of 13 degrees. The tyres are Bontrager XR3 Team Issue, Tubeless Ready, with Inner Strength sidewall protection and a size of 29 x 2.40.
The wheelset consists of Bontrager Kovee Elite 30 carbon rims, which are also Tubeless Ready. The saddle is a Bontrager Montrose Elite with titanium rails and a width of 138 mm. The seatpost is a Bontrager Line Elite Dropper with a travel of 170 mm and a length of 480 mm.
The bike’s geometry features a seat tube length of 47 mm, a top tube length of 63 mm, a head tube angle of 68 degrees and a seat tube angle also of 68 degrees. The reach is 48 mm, the stack 60 mm, the head tube length 10 mm and the chainstay length 43 mm. The standover height is 75 mm and the wheelbase is 118 mm in total.
In summary, the 2021 Trek Top Fuel 9.8 GX offers top-class components and high-quality materials, ensuring outstanding performance and riding comfort on challenging trails.
| Rear brakes | SRAM G2 RS hydraulic disc brake // SRAM G2 RS hydraulic disc brake SRAM Centerline, 6-hole, rounded edge, 160 mm // SRAM CenterLine, 6-hole disc mount, rounded edge, 180 |
| Front brakes | SRAM G2 RS hydraulic disc brake // SRAM G2 RS hydraulic disc brake SRAM Centerline, 6-hole, rounded edge, 160 mm // SRAM CenterLine, 6-hole disc mount, rounded edge, 180 |
| Frame | OCLV Mountain Carbon main frame and stays, tapered head tube, Knock Block, internal Control Freak cable routing, Carbon Armor, magnesium lever, Mino Link, ABP, Boost148, 115 mm travel |
| Shift levers | SRAM GX Eagle, 12-speed |
| Fork | RockShox SID Select+, DebonAir spring, Charger 2 RL damping, tapered steerer tube, 44 mm offset, Boost110, 15 mm Maxle Stealth axle, 120 mm travel |
| Crankset | SRAM GX 7K Eagle, DUB, aluminium chainring (32 t.), Boost, 175 mm crank arm length SRAM DUB, 92 mm, PressFit bottom bracket |
| Sprocket | SRAM Eagle XG-1275, 10–52 teeth, 12-speed |
| Drive | SRAM GX Eagle, 12-speed |
| Handlebar | Bontrager Line Pro, OCLV Carbon, 35 mm, 15 mm rise, 750 mm width |
| Stem | Bontrager Kovee Pro, 35 mm, Knock Block, Blendr-compatible, 13 degrees, 70 mm length |
| Saddle | Bontrager Montrose Elite, titanium struts, 138 mm wide |
| Seatpost | Bontrager Line Elite Dropper, 170 mm travel, internal cable routing, 31.6 mm, 480 mm length |
| Seat clamp | Bolt-on, 36.4 mm |
| Wheelset | Bontrager Kovee Elite 30, carbon, tubeless-ready, 6-hole disc mount, Boost110, 15 mm thru-axle Bontrager Kovee Elite 30, carbon, tubeless-ready, Rapid Drive 54, 6-bolt disc mount, SRAM XD freehub body, Boost148, 12 mm thru-axle Bontrager |
| Tires | Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall protection, aramid bead core, 120 TPI, 29 x 2.40 |