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The Trek Fuel LX 9 XT Gen 7 is all about durability: Alpha NEXT Platinum aluminium frame, threaded BSA bottom bracket, ISCG 05 mounts, down tube protection and a mechanical Shimano 1x12 drivetrain. A 170 mm Fox Factory 38 fork and 160 mm DHX2 coil shock, for 17.79 kg in a size M. The Matte Juniper/Blue Sage Splatter version pairs a matte juniper green with blue sage splashes.
| Frame | Alpha NEXT Platinum aluminium, in-frame storage, adjustable progression, interchangeable rocker and lower shock mount, ABP pivot, threaded BSA 73 bottom bracket, ISCG 05, down tube protection |
| Suspension | Fox Factory 38 Float EVOL fork, GRIP X2 damper, 170 mm / Fox DHX2 coil shock 205 x 65 mm, 160 mm |
| Drivetrain | Mechanical Shimano 1x12, M8200 long-cage derailleur, XT M8200 30T crankset (165 or 170 mm according to Trek data), XT M8200 10-51 cassette |
| Brakes | Shimano XT M8220 4-piston hydraulic, RT86 203 and 180 mm rotors |
| Wheels / tyres | Bontrager Line Comp 30 / Maxxis Assegai MAXXGRIP (front) and Minion DHR II MAXXTERRA (rear), 29 x 2.5, EXO+ casing, Tubeless Ready |
| Cockpit | Race Face Turbine alloy 35 mm handlebar, 40 mm rise; Bontrager Elite 45 mm stem |
| Saddle / seatpost | Verse Short Comp 145 mm / Bontrager Line Dropper post 150/170/200 mm depending on size, 34.9 mm |
| Weight | 17.79 kg in size M (Trek figure, with tubeless sealant) |
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At a glance
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The mountain biker who keeps their bike for several seasons and prefers tough, repairable kit to light kit will find what they need here. It suits riders who cover a lot of rough terrain and want to keep maintenance costs down.
The Fuel frame in its top-end alloy version. Alpha NEXT Platinum sits at the top of Trek's mountain bike alloy hierarchy, ahead of the Alpha Platinum of the Slash 8 and the Alpha Silver of the Marlin. For a bike exposed to repeated impacts, it is a logical choice. It gets most of the carbon frame's features: progression adjustment, interchangeable rocker link and lower shock mount, ABP pivot, down tube protection and transport protection for bike racks.
| Alpha NEXT Platinum (Fuel LX 9) | OCLV Mountain (Fuel LX 9.8) | Alpha Platinum (Slash 8) | |
| Level | Trek's best MTB aluminium, reserved for Gen 7 Fuels | Trek's mountain bike carbon | Aluminium from the range above |
| Construction | Alloy engineered for strength, highly adjustable frame | OCLV layup tuned for impact resistance | Tough alloy, simpler kinematics |
| Reference bike | Gen 7 alloy Fuel EX frameset: 4.95 kg (M) | Gen 7 carbon Fuel EX frameset: 3.31 kg (M) | Complete Slash 8: 16.68 kg (M) |
| What it means | Takes knocks, more affordable | About 1.6 kg less on the frameset | 170 mm alloy enduro, less adjustable |
Put simply: aluminium remains the most rational material here for a rider who rides hard and often. It adds weight, around 1.6 kg on the frameset according to Trek, but it takes a season of rough trails without flinching.
The threaded BSA bottom bracket is a real asset in the workshop: no creaking, and simple bearing replacement. The down tube protection limits damage from stones thrown up by the front wheel, common on the tracks around Béziers. The ISCG 05 mounts let you add a chain guide or a bash guard.
On the suspension side, the DHX2 coil shock needs little routine maintenance: no air seal to watch. The Fox 38 fork is serviced according to riding hours. We draw up a maintenance schedule with you to suit your riding.
| Model | Frame | Drivetrain | Travel rear / front | Weight (M) |
| Fuel LX 9 XT | Alpha NEXT Platinum alloy | Mechanical Shimano XT | 160 / 170 mm | 17.79 kg |
| Fuel LX 9 XT Di2 | Alpha NEXT Platinum alloy | Wireless Shimano XT Di2 | 160 / 170 mm | n/a |
| Slash 8 | Alpha Platinum alloy | Mechanical Shimano XT | 170 / 170 mm | 16.68 kg |
| Fuel LX 9.8 XT Di2 | OCLV Mountain carbon | Wireless Shimano XT Di2 | 160 / 170 mm | 15.97 kg |
Our take: built to last, the mechanical LX 9 XT avoids batteries altogether, unlike the LX 9 XT Di2. The carbon LX 9.8 XT Di2 saves 1.82 kg but is more vulnerable to direct impacts.
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LVR sizing advice Four sizes from S to XL, for riders from 155 to 195 cm. On an enduro bike, if you are between two sizes, choose according to your trails: the smaller one turns better, the larger one is reassuring at speed.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
| Is the alloy frame covered by warranty? | Yes, Trek offers a lifetime warranty on its frames. |
| What maintenance for the DHX2? | Little routine maintenance; a service according to your use is enough. |
| Can I fit a bash guard? | Yes, thanks to the ISCG 05 mounts. |
| Is the matte green easy to look after? | Yes, with a gentle product and a sponge. |
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The LVR Cycles verdict A tough, repairable alloy enduro bike designed to last several seasons. Its juniper green speckled with blue sage stays original without being flashy.
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Why buy from LVR Cycles? As a Trek dealer in Béziers, we service your Fuel LX: bearings, Fox suspension and XT brakes.
Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.
Data sheet
Specific References