TREK FUEL EX 9.9 XX1 AXS GEN 6 MTB BIKE 2023 SATIN BAJA YELLOW

The Fuel EX 9.9 XX1 AXS is a performance-first trail bike built for riders who have an appreciation for the finest things in life.

It combines a cream of the crop carbon frame with top-tier components, from the carbon fibre wheels all the way up to the 150 mm Kashima-coated FOX Factory fork and fully wireless SRAM XX1 drivetrain. It's a bike that rules the mountain and doesn't hesitate to lay claim to its domain, ripping up rock gardens, blasting berms and rocketing back to the top to conquer it all once again.

Key Features

• Fox Factory 36 fork: 140mm Suspension with 36mm stanchions for greater steering precision
• Carbon fibre 140mm travel Frame with downtube storage: Progressive geometry built to tackle steep and gnarly descents and punchy climbs alike
• 12-Speed SRAM XX1 Eagle AXS Gears: SRAM's top-tier group set, with wireless AXS shifting.

Full Specification

• Frame: OCLV Mountain Carbon, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, guided internal routing, magnesium rocker link, 34.9 mm seat tube, ISCG 05, 55 mm chain line, BSA 73, downtube guard, shuttle guard, ABP, UDH, Boost148, 140 mm travel
• Rear Shock: Fox Factory Float X, 2-position damper, 185mm x 55mm
• Fork: FoxFactory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 150 mm travel
• Gear Shifters: SRAM Eagle AXS, wireless, 12 speed
• Chainset: SRAM XX1 Eagle, DUB, 30T alloy ring, 55 mm chainline, 170 mm length
• Chainrings: 30T alloy
• Rear Cassette: SRAM Eagle XG-1299, 10-52, 12-speed
• Chain: SRAM XX1 Eagle, 12-speed
• Front Derailleur: N/A
• Rear Derailleur: SRAM XX1 Eagle AXS
• Bottom Bracket: SRAM DUB MTB Wide, 73 m, BSA threaded
• Pedals: Not Included
• Front Wheel: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready, 6-bolt, Boost110, 15 mm thru-axle
• Rear Wheel: Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12 mm thru-axle
• Front Tyre: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50" or 27.5x2.50"(Size small and Xsmall)
• Rear Tyre: Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50" or 27.5x2.50" (Size Small and Xsmall)
• Brakes: SRAM Code RSC hydraulic disc, SRAM HS2, 6-bolt, 180/200 mm
• Handlebars: Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 35-45mm stem length
• Handlebar Grips: Bontrager XR Trail Elite, lock-on
• Headset: Integrated cartridge bearing, 1-1/8" top, 1.5" bottom, angle adjust cup compatible
• Stem: see handlebar
• Saddle: Bontrager Arvada, austenite rails
• Seatpost: RockShox Reverb AXS, 100 - 170 mm travel, wireless, 34.9 mm, 340 - 480 mm length
• Accessories: Bontrager Bits frame storage bag
• Weight: M – 14.11 kg/31.11 lb (with TLR sealant, no tubes)

We offer several delivery options:

Store Collection: Pick up your order at our Salts Mill store, located at BD17 7EH.

Standard Delivery We partner with APC Euro-Tran for deliveries. Once your bike is dispatched, it typically arrives within 1 to 3 working days for Mainland UK. All bikes are fully built, checked, set up and then packed back down into a standard size bike box. Please note that electric bikes will be shipped in two boxes due to weight and size restrictions. We recommend our premium delivery service for electric bikes.

Premium Delivery We partner with DX's two-person delivery team. After dispatch, your bike usually arrives within 2 to 4 working days for Mainland UK. DX will contact you before delivery to schedule a convenient delivery date. All bikes come fully built, checked, set up and with both wheels attached. Trek bikes can only be sent via our premium delivery service.

Check out our video for more information on how your bike is assembled and packaged. 

At All Terrain Cycles, we want you to ride with confidence every time. To ensure your bike or e-bike stays in peak condition, here are some essential safety and maintenance tips.

Bicycle Safety 

Always wear a helmet – Safeguard against head injuries by using a properly fitted, safety-certified helmet.

Perform pre-ride checks – Before each ride, verify that brakes, tyres, and gears are in good working order.

Stay visible – Utilise lights and reflective gear when cycling in low-light conditions.

Follow road rules – Ride responsibly and remain aware of your surroundings.

Aftercare for Your New Bike Initial Check-Up (First 50-100 miles)

Gear Adjustment – New cables may stretch slightly; have a qualified mechanic check and adjust them.

Brake & Wheel Check – Inspect brakes for wear and ensure wheels are aligned properly.

Lubrication – Apply chain oil and check bolt tightness to maintain smooth performance.

Tyre Pressure – Regularly monitor to prevent flats and enhance efficiency.

Pedals - Ensure pedals are still tight and correctly fitted.

Routine Maintenance (Every Few Weeks)

Chain Care – Clean and lubricate your chain to minimise wear and prolong its life.

Brake Safety – Check brake pads and responsiveness before each ride.

Tyre Inspection – Look for punctures and ensure correct air pressure.

Handlebar & Stem Alignment – Confirm they are tight and secure to prevent instability.

Frame Safety Check – Look for any signs of damage or cracks.

Pedals - Ensure pedals are still tight and correctly fitted.

Professional Check-Ups

Have your bike serviced at least once a year, or more frequently if you ride often.

Aftercare for Your New Electric Bicycle (e-Bike) Initial Check-Up (First 50-100 miles)

Battery Care – Fully charge your battery (if required) before the first ride and store it in a dry, moderate-temperature environment.

Avoid Overcharging – Unplug the charger once fully charged to extend battery life.

Pedals - Ensure pedals are still tight and correctly fitted.

Routine e-Bike Maintenance (Every Few Weeks)

Motor Inspection – Listen for unusual noises and ensure smooth operation.

Battery & Connection Checks – Inspect cables and connectors for dirt, moisture, or damage.

Pedals - Ensure pedals are still tight and correctly fitted.

Seasonal e-Bike Maintenance

Check Electrical Components – Ensure wires and connections are clean and secure.

Professional Servicing – Have your e-bike inspected at least once a year or every 500-1000 miles for optimal performance.

By following these aftercare guidelines, you’ll help ensure that your bicycle runs smoothly, lasts longer, and remains a joy to ride. Stay safe and enjoy the ride!

Read our full advice

If you have any problems or concerns: Contact All Terrain Customer Services on 01274 588488 or email sales@allterraincycles.co.uk