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Aluminium full-suspension mountain bike Trek Top Fuel 8 SLX/XT matte dark web 12-speed
Aluminium full-suspension mountain bike Trek Top Fuel 8 SLX/XT matte black: 120/130 mm, Fox, 14.58 kg
€3,679.00
Incl. Tax
Recommended supplier selling price in 2026
Trek Top Fuel 8 Matte Dark Web: the versatile lightweight trail bike
The Gen 4 Trek Top Fuel 8 is an Alpha Platinum aluminium full-suspension mountain bike, with 120 mm of rear travel, a 130 mm Fox Rhythm 34 fork and a Shimano 1x12 drivetrain with XT rear derailleur, weighing 14.58 kg in size M. Four-piston brakes, a dropper post and internal storage make it a complete bike straight out of the workshop. Its Matte Dark Web finish, a very understated matt black, shows off the lines of the frame.
Technical specifications
| Frame | Alpha Platinum aluminium, internal storage, 4-position Mino Link, ABP, down tube protection, Boost148, 120-130 mm |
| Suspension | Fox Rhythm 34 Float EVOL GRIP, 130 mm / Fox Performance Float DPS 3-position 185x50 mm, 120 mm |
| Drivetrain | Shimano 1x12: XT M8100 rear derailleur, SLX 10-51 cassette, Deore 30T chainset |
| Brakes | Shimano 4-piston, M6100 lever, M6120 calliper, RT66 180 mm rotors |
| Wheels / tyres | Bontrager Line Comp 30 / Gunnison Pro XR 2.40 Tubeless Ready (27.5 in S, 29 above) |
| Cockpit | Bontrager Line alloy 780 mm handlebar, Elite 45 mm stem |
| Saddle / seatpost | Bontrager Verse P3 / Line Dropper 100 mm (S) or 170 mm |
| Weight | 14.58 kg in size M (Trek figure, with tubeless sealant) |
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At a glance
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Who is it for?
For the all-round mountain biker who wants one bike to do it all: Sunday loops, long rides with plenty of climbing and moderately technical descents. It is also a very good choice for anyone taking part in regional marathon events without chasing the clock at all costs.
The LVR workshop view
Alpha Platinum aluminium, at the heart of the Top Fuel 8. The Gen 4 Top Fuel comes in carbon and aluminium on the same design. This Top Fuel 8 uses Alpha Platinum, Trek's high-end aluminium, with internal storage, a four-position Mino Link and the ABP pivot that keeps the suspension active under braking.
| Alpha Platinum (this bike) | OCLV Mountain (Top Fuel 9.x) | Alpha Silver (Marlin) | |
| Level | Trek's high-end aluminium | Trek's mountain bike carbon | Entry-level aluminium |
| Construction | Hydroformed tubes, smoothed welds | OCLV layup reinforced against impacts | Simpler tubes, hardtails |
| Reference bike | Top Fuel 8: 14.58 kg (M) | Top Fuel 9.8 XT Di2: 14.00 kg (M) | Marlin (hardtail) |
| What it means | The right balance of strength and weight | Less weight, frame with lifetime warranty | No rear suspension |
Put simply: only 580 g separate this Top Fuel 8 from the carbon 9.8 XT Di2. For a rider who mainly rides for fun, it is the easiest gap to accept in the range.
The three-position Fox Float DPS shock is a real asset on this type of bike: open for descents, middle for flowing trails, firm for long fire-road climbs. Combined with the ABP pivot, which keeps the suspension active under braking, it makes the Top Fuel 8 very stable on rough garrigue descents.
Four-piston Shimano brakes are rare at this level of the range; they make all the difference on the long descents of the Caroux, where lighter brakes heat up quickly. The four-position Mino Link lets you adjust the geometry, and we make that change in the workshop if you wish.
Which Top Fuel should you choose?
| Model | Frame | Travel rear / front | Drivetrain | Weight (M) |
| Top Fuel 5 (Gen 3) | Alpha Platinum alloy | 120 / 130 mm | Shimano Deore 1x12 | 15.60 kg |
| Top Fuel 8 | Alpha Platinum alloy | 120 / 130 mm | Shimano SLX/XT 1x12 | 14.58 kg |
| Top Fuel 8 Eagle 70 | Alpha Platinum alloy | 130 / 140 mm | SRAM Eagle 70 T-Type 1x12 | 14.88 kg |
| Top Fuel 9.8 XT Di2 | OCLV Mountain carbon | 120 / 130 mm | Shimano XT Di2 1x12 | 14.00 kg |
Our take: at 14.58 kg, it is only 580 g heavier than the carbon Top Fuel 9.8 XT Di2. The Eagle 70 version of the Top Fuel 8 gains 10 mm at the front (140 mm) for 300 g more.
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LVR sizing advice The S gets 27.5-inch wheels and a 100 mm post, better suited to smaller riders; the other sizes move to 29-inch wheels and 170 mm. Between two sizes, come and compare the position in the shop.
Source: Trek size guide. Bike fitting available in our Béziers shop. |
Your questions
| Light enough for marathon events? | Yes, 14.58 kg in M for an alloy full-suspension bike is a very respectable weight for sporty trail rides. |
| Three shock positions? | Open, middle and firm: you adapt the bike to the terrain with a simple lever. |
| Which wheel size in size S? | The S runs 27.5-inch wheels, the other sizes 29; it is Trek's choice for smaller riders. |
| Is matt black fragile? | Matte Dark Web cleans with mild soap; avoid polishing products. |
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The LVR Cycles verdict The most versatile Top Fuel in the aluminium range, with brakes and a shock above its station. Its Matte Dark Web black keeps a low profile.
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Why buy from LVR Cycles? In Béziers, we prepare your Top Fuel 8, set the sag and rebound to your weight and look after Fox suspension servicing and brake bleeding.
Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.
TRK-5319326
Data sheet
- Application
- Trail / Cross Country
- Year
- 2026
- Material
- Aluminum
- Gender
- Man - Unisex
- Brake type
- Disc
- Groupset
- Shimano
- Mechanism
- Cable
- Number of speeds
- 12 speeds
- Promotion
- Moins de 10%
Specific References
- ean13
- 0601842985434
- upc
- 601842985434
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Aluminium full-suspension mountain bike Trek Top Fuel 8 SLX/XT matte black: 120/130 mm, Fox, 14.58 kg
