1045353
601842402467
When you buy a bike from us in the store or come to collect your Click & Collect order we will adjust your new bike to fit you.
This includes adjusting saddle height, saddle position and where possible adjusting the brake levers / gear shifters.
We will also adjust any accessories you have purchased with your bike where applicable.
At Wheelworx, we're committed to delivering not just quality bikes but also exceptional value and peace of mind for our customers. That’s why every bike purchased from us includes Lifetime Free Service—so your bike remains in peak condition for years to come!
The free service is put in place to make sure the bike you have purchased is running correctly and to adjust out any cable stretch that happens to any new bike.
The type of bike you have bought and the type of riding you have planned will affect how soon you need to book your free service.
However if you experience any issues at any time you should stop riding your bike and book your bike in for its free service immediately.
ANY BIKE PURCHASED IN WHEELWORX COMES WITH A LIFETIME FREE SERVICE

The 2021 Fuel EX 9.9 X01 Gen 5 S LITHIUM GREY/FACTORY ORANGE is available at the following locations.
The item will be transferred to the location you choose during checkout.
If the item is not currently available to view at your desired location, please call your nearest store to arrange for it to be transferred.
The 2021 edition of the Fuel EX 9.9 XO1 Gen 5 from TREK takes everything to the next level. Fitted with top-tier suspension, carbon parts throughout and the newest X01 Eagle drivetrain from SRAM, it makes no compromises and emerges trail-ready.
Catering to the toughest riders, the Fuel EX 9.9 XO1 offers unrivalled versatility. The lightweight OCLV Mountain Carbon frame ensures minimum weight, while its adjustability and precision allow you to concentrate on conquering trails without worrying about your bike.
The bike's advanced technology includes FOX Factory suspension featuring Kashima Coat for increased sturdiness, and a highly effective RE:aktiv with Thru Shaft damper providing improved comfort for your rides. Complete with SRAM's latest X01 Eagle drivetrain and a massive 52-tooth cog, this bike delivers unparalleled performance.
Multiple factors contribute to the appeal of the Fuel EX 9.9. With impressive technology in suspension and drivetrain, a host of carbon parts and a commitment to speed and control, this bike truly stands out in the crowd. Whether you're navigating rocky climbs or taking on challenging descents, the Fuel EX 9.9 promises a reliable and responsive performance.
It also takes suspension a notch higher with a Fox Factory 36 fork for enhanced damping adjustments and smoother stanchions, courtesy of the Kashima Coat.
Key features:
- Internal Frame Storage: Ditch the backpack but carry all your essentials within your frame with ease.- Active Braking Pivot: Independently tune the suspension to respond to acceleration and braking forces, offering increased control when it's needed most.- RE:aktiv with Thru Shaft: Unrivalled grip and control with a shock that adapts to terrain faster than its counterparts.- Straight Shot with Knock Block: TREK's unique frame design optimises the stiffness-to-weight ratio, ensuring a more responsive ride, enabling you to push harder on challenging terrains.
Fuel your passion for mountain biking with the 2021 Fuel EX 9.9 XO1 Gen 5. The unmatched combination of design, technology, and materials ensures peak performance on every trail.
| Frame | Size S, OCLV Mountain Carbon main frame and stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armour, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130 mm travel |
| Fork | Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 140 mm travel |
| Wheel Size | Front 27.5 / Rear 27.5 |
| Wheels | Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5" Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12 mm thru axle, 27.5" |
| Tyres | Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5 x 2.40'' // Bontrager XR4 Team Issue, Tubeless Ready, Inner Strength sidewalls, aramid bead, 120 tpi, 27.5 x 2.60" |
| Shifter | SRAM X01 Eagle, 12-speed |
| Rear Derailleur | SRAM X01 Eagle |
| Cassette | SRAM Eagle XG-1275, 10-52, 12-speed |
| Chain | SRAM GX Eagle, 12-speed |
| Handlebar | Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width |
| Grips | Bontrager XR Trail Elite, nylon lock-on // Bontrager XR Trail Elite, alloy lock-on |
| Stem | Bontrager Line Pro, 35 mm, Blendr-compatible, 0-degree, 35 mm length |
| Seatpost | Bontrager Line Elite, 100 mm travel, MaxFlow, internal routing, 31.6 mm, 340 mm length // Bontrager Line Elite Dropper, 100 mm travel, internal routing, 31.6 mm, 340 mm length |
| Saddle | Bontrager Arvada Pro, carbon rails, 138 mm width |
| Weight | 12.98 kg |
| Colours | LITHIUM GREY/FACTORY ORANGE |
| Sizes | S, XS |
| Brand | Trek |
| Barcodes | 601842402139, 601842402146, 601842402153, 601842402160, 601842402177, 601842402184, 601842402191, 601842402412, 601842402429, 601842402436, 601842402443, 601842402450, 601842402467, 601842402474, 601842402481, 601842402498, 601842402504, 601842402511, 601842402528, 601842402535, 601842402542 |
| SKUs / Part Numbers | 1045345, 1045346, 1045347, 1045348, 1045349, 1045350, 1045351, 1045352, 1045353, 1045354, 1045355, 1045356, 1045357, 1045358, 1045401, 1045402, 1045403, 1045404, 1045405, 1045406, 1045407 |