2025 Trek Top Fuel 8 Gen 4 Full Suspension Mountain Bike
5319326
601842985434
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The 2025 Trek Top Fuel 8 Gen 4 Full Suspension Mountain Bike L MATTE DARK WEB is available at the following locations.
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The 2025 Trek Top Fuel 8 Gen 4 Full Suspension Mountain Bike is a nimble alloy trail bike that strikes a balance between quick climbing efficiency and descending confidence. It packs in a versatile 130 mm front and 120 mm rear travel for ripping over rocks and roots without sacrificing power on ascents. Thee downcountry, or light trail, bikes are perfect for most UK riding.
The Top Fuel is built around an Alpha Platinum Aluminium frame equipped with a 4-way Mino Link lower shock mount which allows you to tweak the geometry and suspension leverage rate so you can customise your ride. Suspension comes from a 130 mm FOX Rhythm 34 fork with Float EVOL air spring and GRIP damper, plus 120 mm of rear travel from a FOX Performance Float shock with a 3-position damper. It's topped off with a Shimano XT/SLX 12-speed group set, hydraulic disc brakes, a Bontrager Line dropper post and Tubeless Ready Bontrager Line Comp 30 wheels.
This bike is perfect for
The Top Fuel 8 Gen 4 is great for all-day UK rides that include everything from leg busting climbs to rooty descents. It balances capability and efficiency, with just enough travel to keep the ride smooth without eating up your pedalling power.
Key Features
- Its lightweight frame and versatile geometry make it the perfect choice for all kinds of rides and all kinds of riders
- The 4-way Mino Link makes it easy to adjust your geometry or leverage rate for how and where you want to ride
- You get a sweet balance of price and performance with upgraded components and a rugged alloy frame
- The Alpha Platinum Aluminium frame is robust, yet light, and packs in updated internal frame storage for easy access to gear and snacks
- It's more upgrade-ready than ever, with room for bigger 140 mm forks and longer-stroke shocks for up to 130 mm of rear travel, plus room for extra-long dropper posts
Mountain Bike Buying Guide
Mountain biking is an incredibly diverse sport. Mountain bikes now come in three main flavours. They are XC, Trail and Enduro.
XC – short for cross country, are quick race bikes. They will normally have 29” wheels and come with 100mm of suspension. If you are mainly going to be riding bridleways and natural trails in the South East of England, where our shops are, an XC bike will be the quickest and most efficient option.
Trail – these bikes are designed to be pedalled up and down hill and for use on bridleways and natural trails, but also at dedicated trail centres. They normally come with 130mm or 140mm of suspension travel and can have either 27.5” or 29” wheels, but 29” is quickly becoming the norm. Trail bikes are good all-rounders. They won’t be as fast as an XC bike on the flat but they can handle a lot more challenging terrain, and a few jumps. If you plan on taking your bike to trail centres in Wales, or to the Alps, then a trail bike may be your best option.
Enduro – enduro racing is a thing in and of itself but many people buy enduro bikes for ‘aggressive’ trail riding and uplift days at places like Bike Park Wales. This generally means challenging downhill trails with some big jumps. With around 160mm of suspension travel enduro bikes can take some big hits. They are designed to be efficient enough to pedal up hills but really come into their own when pointed downhill. You get enduro bikes in either 27.5” or 29” wheel sizes as well as mullet setups of 29 at the front and 27.5 at the back.
Men’s and women’s mountain bikes
Nearly all the mountain bikes we sell are now unisex. All of the big brands have gradually stopped doing dedicated men’s and women’s bikes over the last few years. Instead they are focussed on producing bikes in a bigger range of sizes. So, for instance, the Trek Marlin 5 is a unisex bike that now comes in sizes from XXS to XXL large. This means it will fit riders from 4’ 5” to 6’ 5” and everything in between.
Read our full mountain bike buyers guide
Price Match at Cycles uk
We understand that price is important, so we regularly price-check our competitors to make sure we have the best offers available. We recognise that we will not always be the cheapest, so if you see the same product cheaper from any of our competitors then please get in touch via the form below and we will do our best to match any reasonable advertised price.
Trek made their first bikes in 1976 in a barn in Wisconsin. Now they’re one of the biggest bike brands in the world. Trek bikes cover everything from professional-level road and mountain bike race bikes to commuters, hybrids and kids bikes. There is a strong heritage of racing at Trek and many Trek bikes have a strong race influence. They take a very scientific approach to researching bike and human performance and then make the fastest and most efficient bikes they can.
It doesn’t stop their attention and passion for cycling flows through everything they do. Since the 1990s, Trek has supported Places for Bikes. Places for Bikes is an advocacy organisation in the USA that gets more people on bikes more often! Places for Bikes ethos falls in line with the companies mission statement to:
Build only products we love. Provide incredible hospitality to our customers, and change the world by getting more people on bikes.
Frame - Alpha Platinum Aluminium, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120 mm travel
Fork - Fox Rhythm 34, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 130 mm travel
Shock - Fox Performance Float DPS, 3-position damper, 185 mm x 50 mm
Max compatible fork travel 140 mm
Wheel front - Size: S - Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5". Size: M, ML, L, XL - Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 29"
Wheel rear - Size: S - Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 27.5". Size: M, ML, L, XL - Bontrager Line Comp 30, Tubeless-Ready, Rapid Drive 54, 6-bolt, Boost148, 12 mm thru axle
Skewer rear - Bontrager Switch thru-axle, removable lever
Tyre - Size: S - Bontrager Gunnison Pro XR, Tubeless-Ready, wire bead, 60 tpi, 27.5x2.40". Size: M, ML, L, XL - Bontrager Gunnison Pro XR, Tubeless Ready, dual compound, aramid bead, 60 tpi, 29x2.40"
Tyre part - Bontrager TLR sealant, 180 ml/6 oz
Rim strip - Bontrager TLR
Shifter - Shimano XT M8100, 12-speed
Rear derailleur - Shimano XT M8100, long cage
Crank - Shimano Deore M6120, 30T ring, 55 mm chainline, 170 mm length
Bottom bracket - Shimano BB-MT501 BSA
Cassette - Shimano SLX M7100, 10-51T, 12-speed
Chain - Shimano SLX M7100, 12-speed
Saddle - Bontrager Verse P3, chromoly rails
Seatpost - Bontrager Line Dropper, 100mm travel, MaxFlow, internal routing, 34.9 mm
Handlebar - Bontrager Line, alloy, 35 mm, 27.5 mm rise, 780 mm width
Grips - Bontrager XR Trail Comp, nylon lock-on
Stem - Bontrager Elite, 35 mm, 0-degree, 45 mm length
Brake - Shimano 4-piston hydraulic disc, M6100 lever, M6120 calliper
Brake rotor - Shimano RT66, 6-bolt, 180 mm
Bag - Bontrager BITS Internal Frame Storage Bag
Weight - Medium size - 14.58 kg / 32.15 lbs (with TLR sealant, no tubes)
Weight limit - This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
| Colours | MATTE DARK WEB |
| Sizes | L, M, ML, S, XL |
| Brand | Trek |
| Model Year | 2025 |
| Barcodes | 601842985427, 601842985434, 601842985441, 601842985458, 601842985465 |
| SKUs / Part Numbers | 5319323, 5319324, 5319325, 5319326, 5319327 |
Please note: Manufacturers can sometimes change the specification of the products from time to time.
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24 Month Representative Example:
Purchase Price (incl. VAT) £750
Deposit £75
Loan Amount £675
Interest/Total Charge for Credit £109.32
Total Amount Repayable £859.32
Balance Payable £784.32
By 24 Monthly Repayments of £32.68
15.9% APR Representative
Bank rate of interest 8.1% PA fixed
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