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Trek Top Fuel 9.8 XC Men's Mountain Bike (Ex-Demo)

  • Ex-Demo model is in excellent condition with no faults or damage. All parts working as expected
  • Active braking pivot technology allows suspension to work efficiently, on or off the brakes
  • Mountain specific carbon fibre is designed to be even tougher and more shock absorbent
  • Remote lockout technology allows you to lock out your suspension for different types of terrain

Was: £4,300

Now: £2,749


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Not available to buy from outside the EU This item is NOT available outside the EU



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Product Information

Trek Top Fuel 9.8 XC Men's Mountain Bike (Ex-Demo)

Introducing the upgraded Trek top fuel new for 2018. The top fuel, now available at a fantastic price as an ex-demo model having been test ridden by TriStore customers, features revolutionary technology to bring you the best mountain bike experience. Trek has designed a mountain bike specific carbon used on the Top Fuel which is ready for more shock in all types of different terrains. The 9.8 version of the Top Fuel now features Bontrager Kovee Elite 23 wheels, a step up from those featured on the 9.7, as well as SRAM level TLM brakes and SRAM GX Eagle 1x12 drivetrain with a carbon crank. All in all, if you're looking for a top of the range bike to take you on some incredible adventures this is just about as good as it gets from Trek, and for that matter the whole cycling industry. 


Full Specification



The right bike for you? 

You don't want to ride trails, you want to fly across them – and you want a bike that can match you mile for mile through races and marathon single-track sessions. You appreciate the performance advantage of carbon and want a super-light bike with race-level components and suspension.


The Tech 

An OCLV Mountain Carbon frame, a SRAM GX Eagle 1x12 drivetrain with an upgraded carbon crank, carbon Bontrager Kovee Elite wheels with a 54-tooth Rapid Drive hub for fast engagement, 100 mm FOX Performance 32 Float front and rear suspension with remote lockout and Trek's exclusive RE:aktiv XC damper, and a carbon bar and seatpost.


Built to be fast yet strong

Light, fast and efficient. The carbon frame, carbon components, and our smartest, fastest and most efficient XC suspension make the Top Fuel 9.8 SL right for riders who want a rocket of a bike to tackle cross-country racing and marathons.



Frame - OCLV Mountain Carbon main frame and seatstay, alloy chainstay, ABP, Full Floater, EVO link, E2 tapered head tube, Mino Link, MicroTruss, Control Freak internal routing, Carbon Armor, PF92, Boost148 and G2 Geometry on 29ers, 100 mm travel

Front suspension - Fox Performance 32 Float, Step Cast, FIT4 2-position damper (with new push-to-unlock remote), E2 tapered steerer, Boost110, G2 Geometry w/51 mm offset on 29ers, 100 mm travel

Rear suspension - Fox Performance Float, RE:aktiv XC 2-position damper (with new push-to-unlock remote), tuned by Trek Suspension Lab, 6.5"x1.5"



Wheels - Bontrager Kovee Elite 23, Tubeless Ready, 54T Rapid Drive, Boost110 front, Boost148 rear (15.5˝: 142x12 rear), tubeless strips included, valves sold separately

Tyres - Bontrager XR2 Team Issue, Tubeless Ready, 120 tpi, aramid bead, 29x2.20˝ (15.5: 27.5x2.20˝)



Shifters - SRAM GX Eagle, 12-speed
Rear derailleur - SRAM GX Eagle, Roller Bearing Clutch
Cranks - SRAM Stylo Carbon Eagle, 32T
Bottom bracket - PF92
Cassette - SRAM XG-1275, 10-50, 12-speed
Chain - SRAM GX Eagle



Saddle - Bontrager Montrose Elite, hollow titanium rails
Seatpost - Bontrager Pro, 31.6 mm, 5 mm offset
Handlebar - Bontrager Race X Lite, OCLV Carbon, 31.8 mm, 5 mm rise
Stem - Bontrager Pro, 31.8 mm, 7-degree
Grips - ESI Chunky
Headset - FSA IS-2, 1-1/8˝ top, 1.5˝ bottom
Brakeset - SRAM Level TLM hydraulic disc


Upgrades from Top Fuel 9.7

  • OCLV Mountain Carbon seatstay
  • Bontrager Kovee Elite 23 wheels
  • SRAM GX Eagle 1x12 drivetrain w/carbon crank
  • Bontrager Race X Lite OCLV Carbon handlebar
  • SRAM Level TLM brakes