Trek Top Fuel 9.9 XX AXS Gen 4 2025
AXINITE FLIP
LUNAR SILVER
MATTE DARK WEB
The 2025 Top Fuel 9.9 XX AXS Gen 4 XL AXINITE FLIP 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 Top Fuel 9.9 XX AXS Gen 4 is an ultra-light and capable carbon trail bike that's built for soaring up climbs and rallying over miles of singletrack. This top-level build delivers the performance you want, with a RockShox Ultimate suspension package (120 mm/130 mm) and SRAM's lightest wireless XX AXS transmission that shifts smooth and easy, especially under load. It's topped off with carbon wheels to keep your ride light from top to bottom.
You want the best carbon trail bike with all-mountain capability, climbing efficiency and components to match. You don't mind spending a little extra to get the ultra-lightweight benefits of SRAM's XX AXS wireless transmission and an upgraded RockShox Ultimate suspension package is a must.
An OCLV Mountain Carbon frame with a 4-way Mino Link lower shock mount for tweaking geometry and suspension leverage rate. A 130 mm RockShox Pike Ultimate fork with DebonAir spring, and Charger 3.1 RC2 damper, plus 120 mm of rear travel from a RockShox Deluxe Ultimate RCT shock. An ultra-light wireless SRAM XX AXS transmission, SRAM Level Ultimate 4-piston hydraulic brakes, RockShox Reverb AXS dropper post and tubeless-ready Bontrager Line Pro 30 carbon wheels.
When you're after the best all-mountain carbon ride, reach for the Top Fuel 9.9 XX AXS Gen 4. With an ultra-light frame, carbon wheels and SRAM XX wireless transmission, it delivers everything you want on dirt. Plus, it's built with a 4-way Mino Link lower suspension mount for taking control of your geometry and suspension feel.
- The Top Fuel Gen 4 delivers with an intensely lightweight build, improved in-frame storage and more adjustability for all kinds of rides and riders
- With 120 mm rear and 130 mm front RockShox Ultimate suspension, it delivers a well-balanced ride that stays efficient on the ups and playful on descents
- The 4-way Mino Link makes it easy to adjust your geometry or leverage rate for how and where you want to ride
- In-frame storage with an improved BITS bag system makes it easy to stash tools, tubes 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
Make the Top Fuel yours
Opt for light parts and a 120 mm fork for a featherweight Top Fuel, or a 140 mm fork and longer-stroke 130 mm rear shock for extra versatility. Room for a longer dropper and MX wheels lets you customise the Top Fuel into an ultimate playful trail whip.
4-way Mino Link
Easily adjust the suspension and geometry four different ways for where and how you ride. At the flip of a coin, you can ride with more or less progressive suspension and tweak your geometry for a slacker head tube and lower BB, or steeper head tube and higher BB.
New internal storage with new BITS bags
New internal frame storage bags make it easy to ditch the pack and still carry your ride essentials.
BITS: Your trail-side saviour
Cleverly integrated into the steerer tube, the included BITS multi-tool has everything you need for trail-side adjustments and repairs.
Active Braking Pivot
Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.
Save up to 39% via Cycle to Work!
Purchasing through a Cycle to Work scheme enables you to pay for the bike via salary sacrifice and make a great saving.
Most bikes* and accessories we offer can be purchased through the scheme - You can also purchase accessories, clothing and upgrades for your bike too.
We accept vouchers from most providers, with a preference for Green Commute Initiative https://www.greencommuteinitiative.uk/ or GoGeta https://www.gogeta.com/
If your company haven’t signed up to a scheme, its super easy and with the provider Green Commute Initiative it doesn’t require the company to sign up - So less admin and paperwork for a busy admin/accounts team!
For a full list of providers we accept vouchers for see details here https://cooksoncycles.co.uk/cycle-to-work/ If you can’t see your provider on our list, just drop the store an email and we can double check.
*Depending on the cycle to work provider we may not be able to offer full discount on sale bikes due to commissions charged by the scheme.
0% Finance
0% Finance is Available on all bikes, accessories and parts using Klarna at checkout up to 3 years - Just use Klarna on checkout to see your 0% options.
An Alterative Finance Provider we offer is Novuna - These can be used up to 18 Months 0% or up to 4 years interesting bearing loan. Use Novuna during checkout to process an application.
Delivery Content
| Frame | Size XL, UNI, Carbon, OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120 mm travel |
| Wheel Size | Front 29 |
| Wheel Size | Rear 29 |
| Weight | 12850 g |
| Fork | RockShox Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44 mm offset, Boost110, Maxle Stealth, 130 mm travel |
| Fork | Unknown |
| Gears | DERAILLEUR, Sram, 1 Gears |
| Tyres | BONTRAGER, |
| Pedals | UNKNOWN, |
| Wheels | BONTRAGER, Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru-axle, 29"" Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle, 29"" |
| Kickstand | UNKNOWN, Unknown |
| Front Brake | SH, SRAM Level Ultimate 4-piston hydraulic disc SRAM HS2, 6-bolt, 180mm Max brake rotor size, Disc brake with hydraulic actuation |
| Rear Brake | SH, SRAM Level Ultimate 4-piston hydraulic disc SRAM HS2, 6-bolt, 180mm Max brake rotor size, Disc brake with hydraulic actuation |
| Rear Derailleur | , |
| Crankset | SRAM, SRAM XX Eagle, DUB, 30T, T-Type, 55 mm chainline, 170 mm length SRAM DUB MTB Wide, 73 m, BSA threaded |
| Chain | SRAM, SRAM XX Eagle, T-Type, 12-speed |
| Handlebar | BONTRAGER, Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 45mm stem length |
| Seatpost | ROCKSHOX |
| Saddle | UNBRANDED, Verse Short Pro, carbon rails, 145 mm width |
| Front Light | UNKNOWN |
| Rear Light | UNKNOWN |
| Colours | AXINITE FLIP, LUNAR SILVER, MATTE DARK WEB |
| Sizes | L, M, ML, S, XL |
| Brand | Trek |
| Model Year | 2025 |
| Barcodes | 601842998878, 601842998885, 601842998892, 601842998908, 601842998915, 601842999554, 601842999561, 601842999578, 601842999585, 601842999592, 601842999608, 601842999615, 601842999622, 601842999639, 601842999646 |
| SKUs / Part Numbers | 5319418, 5319419, 5319420, 5319421, 5319422, 5319423, 5319424, 5319425, 5319426, 5319427, 5320428, 5320429, 5320430, 5320431, 5320432 |
Please note: Manufacturers can sometimes change the specification of the products from time to time.
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with a £ 0.00 deposit.
The total charge for credit is £ 0.00.
Choose an available finance option:
To apply, add the item to your basket and apply for finance on your entire basket.
Please note the above quotation is an indicative cost and actual monthly payments may vary by +/- 2p per month.
Credit subject to status and affordability. Terms & Conditions Apply. Cookson Cycles Limited is a credit broker and is Authorised and Regulated by the Financial Conduct Authority. Credit is provided by Novuna Personal Finance, a trading style of Mitsubishi HC Capital UK PLC, authorised and regulated by the Financial Conduct Authority. Financial Services Register no. 704348. The register can be accessed through http://www.fca.org.uk.
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
Please note the above quotation is an indicative cost and actual monthly payments may vary.
For Buy Now Pay Later and Deferred Interest Bearing Credit: Interest is charged from day 1 of your agreement, but not charged on any repayments made during the deferral period. On expiry of the deferral period, interest accrued during the deferral period will be applied to your repayments.
Consumer credit services are only available to over 18s and subject to status.
This is for estimation purposes only. Actual Finance Application is Completed During Checkout.