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Trek Top Fuel 8 NX 29" Mountain Bike 2020

★★★★★ ★★★★★

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Top Fuel 8 NX 29" Mountain Bike 2020
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Product ID: 1054385

With short-travel dual suspension, the Top Fuel 8 NX 29" is a trail bike from Trek that can tackle a multitude of mountain bike disciplines.

Versatility is it its DNA, as the Mino Link allows for on-the-fly geometry adjustments, TwistLoc simultaneously locks out both suspension systems at once, and the dropper seat post allows you to adapt to a quick change in terrain, instantly.

Why buy your bike from Sigma Sports?

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Expert Advice

Don't hesitate to reach out to us. It's our goal to answer all of your questions and offer the best advice from our experts. We’ll be happy to answer any questions you may have. Contact us now or visit us in-store.

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Built, Checked, Tuned and Tested

All our bikes are fully built by our Cytech qualified mechanics. To find out more, see the Built, Checked, Tuned and Tested section below to see how we'll deliver your bike.

Free Bike Delivery

We offer FREE DELIVERY of your bike to your home or place of work. Once you've placed your order, our Customer Care team will be in contact to offer a convenient delivery date of your choice.

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Free 30-Day Bike Insurance

We've partnered with PedalSure to offer you 30-DAYS FREE bike insurance on new bikes over £400. Visit our Cycle Insurance page to learn more and claim.

Trek Top Fuel 8 NX 29" Mountain Bike 2020

The Trek Top Fuel 8 NX 29" Mountain Bike is a superb all-rounder, for tackling all kinds of terrain. The short-travel dual suspension system boasts an impressive 120mm via the RockShox fork, and Fox Performance Float rear suspension has 155mm of movement to absorb your landings. When it's time to sprint or power uphill, simply lock out both suspension systems with the flick of your wrist using the TwistLoc grip shift style lever.

The Bontrager Line Dropper seatpost allows you to quickly and easily put more weight over the rear wheel when the gradient pitches down. Adjust your geometry with the Mino Link, flipping the bottom bracket height up or down mid-ride should you need to favour stability or agility.

Specced with a SRAM NX Eagle 12-speed groupset, this is a premium machine that rolls on a set of Bontrager Kovee Comp tubeless ready clincher wheels.


  • This short-travel trail bike gives you a suspension set-up that’s capable in several MTB disciplines, and especially suited to endurance events
  • TwistLoc simultaneously locks out front and rear shocks for climbs and sprints with the simple Grip Shift-like motion
  • Mino Link lets you make small adjustments to your geometry quickly and easily, even mid-ride
  • You get a Straight Shot downtube for extra stiffness in the rough and Knock Block frame defence to protect against spinning bars and fork crowns

Technical Specification

FRAME Trek Alpha Platinum Aluminium, tapered head tube, Knock Block, Control Freak internal routing, downtube guard, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
FRONT SUSPENSION RockShox Recon RL, Solo Air spring, Motion Control damper, TwistLoc remote, tapered steerer, 46mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
REAR SUSPENSION Fox Performance Float, 2-position DPS damper, TwistLoc remote, tuned by Trek Suspension Lab, 190x45mm
STEM Bontrager Rhythm Comp, Knock Block, 31.8mm, 0 degree
HANDLEBAR Bontrager Comp, alloy, 31.8mm, 15mm rise
FRONT BRAKE Shimano hydraulic disc, MT500 caliper
REAR BRAKE Shimano hydraulic disc, MT500 caliper
BRAKE LEVERS Shimano hydraulic disc, MT501
SHIFT LEVERS SRAM NX Eagle, 12-speed
CASSETTE SRAM PG-1230 Eagle, 11-50, 12-speed
CRANKSET SRAM NX Eagle, DUB, 32T steel ring, Boost
FRONT WHEEL Bontrager Kovee Comp 23, Tubeless Ready, 6-bolt, Boost 110
REAR WHEEL Bontrager Kovee Comp 23, tubeless ready, 6-bolt, Boost 148
FRONT TYRE Bontrager XR3 Team Issue, tubeless ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40" clincher
REAR TYRE Bontrager XR3 Team Issue, tubeless ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40" clincher
SADDLE Bontrager Arvada, steel rails
SEATPOST Bontrager Line Dropper, internal routing, 31.6mm

Built, Checked, Tuned and Tested

All our bikes are fully built, checked, tuned and tested by our Cytech qualified mechanics and then securely packaged, ready for delivery. All you have to do is add the pedals (if specified), attach the handlebars to the stem and tighten them following the included detailed instructions or by watching our video and using the provided FREE tools. Visit our Bike Assembly page to see how you assemble your new bike once you receive it.

All bikes collected from our shop, are built, tested and ready to ride.

Please note, occasionally, manufacturers may change the specification without notice. Bicycles do not come with pedals unless otherwise specified. We do not install accessories to bikes, including mudguards.

Trek Top Fuel 8 NX 29" Mountain Bike 2020 Sizing

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