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The Trek Top Fuel 9.9 XX AXS Gen 4 represents the pinnacle of mountain biking technology, engineered for riders who demand uncompromising performance and reliability. Its ultra-light carbon frame combines exceptional strength with remarkable responsiveness, allowing for agile maneuvering and efficient power transfer on the most challenging trails. The integration of the RockShox Ultimate suspension system, offering 120 mm travel at the front and 130 mm at the rear, ensures superior shock absorption and precise handling across diverse terrains, enhancing rider confidence and control.
Featuring the cutting-edge SRAM XX AXS wireless drivetrain, this bike delivers seamless and accurate gear changes, enabling riders to focus fully on the trail without distraction. The carbon wheels contribute to reduced rotational mass, improving acceleration and nimbleness while maintaining durability. This sophisticated assembly of premium components makes the Trek Top Fuel 9.9 XX AXS Gen 4 an exceptional choice for competitive trail riders and mountain biking enthusiasts who prioritize quality and performance.
Designed to balance power, precision, and endurance, the Trek Top Fuel 9.9 XX AXS Gen 4 is a top-tier mountain bike that excels in technical environments. Its advanced features and meticulous construction reflect Trek’s commitment to innovation and rider satisfaction, making it a reliable partner for those seeking to elevate their mountain biking experience.
Is this bike suitable for beginners?
The Trek Top Fuel 9.9 XX AXS Gen 4 is designed primarily for experienced riders who demand high performance and advanced features on challenging trails.
Can I use this bike for long-distance rides?
Yes, the bike’s design offers a balance between speed and comfort, making it well-suited for extended trail rides and endurance sessions.
What type of terrain is this bike optimized for?
This model excels on technical mountain trails, offering stability and control on varied terrain including climbs, descents, and rough surfaces.
How does the wireless drivetrain improve riding experience?
The SRAM XX AXS wireless drivetrain provides precise, effortless shifting without cables, reducing maintenance and improving reliability under demanding conditions.
| Frameset | OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, OCLV Next rocker link, Mino 4 link, ABP, Boost148, 120 mm travel |
|---|---|
| Brakes | SRAM Level Ultimate 4-piston hydraulic disc |
| Tyres | Size: S - Bontrager Gunnison RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 27.5x2.40" - Size: M, ML, L, XL: Bontrager Montrose RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 29x2.40" - Size: M, ML, L, XL: Bontrager Gunnison RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 29x2.40" |
| Rear mech | SRAM XX SL Eagle AXS, T-Type |
| Wheelset | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless-Ready |
| Stem | Size: S - Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 35 mm stem length - Size: M, ML, L, XL - Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 45mm stem length |
| Handlebar | Size: S - Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 35 mm stem length - Size: M, ML, L, XL - Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5 mm handlebar rise, 820 mm width, 0-degree stem rise, 45mm stem length |
| Shifters | Size: S , M, ML, L, XL: SRAM AXS POD - Size: S , M, ML, L, XL: SRAM AXS POD, paired with dropper |
| Cassette | SRAM Eagle XS-1299, T-Type, 10-52, 12-speed |
| Chain | SRAM XX Eagle, T-Type, 12-speed |
| Chainset | SRAM XX Eagle, DUB, 30T, T-Type, 55 mm chainline, 170 mm length |
| Bottom bracket | SRAM DUB MTB Wide, 73 m, BSA threaded |
| Saddle | Verse Short Pro, carbon rails, 145 mm width |
| Seat post | Size: S RockShox Reverb AXS, 100 mm travel, wireless, 34.9 mm, 340 mm length Size: M, ML, L, XL RockShox Reverb AXS, 170 mm travel, wireless, 34.9 mm, 480 mm length |
| Rear shock | RockShox Deluxe Ultimate RCT, 185 mm x 50 mm |
Stock Status Instock - Instore - Item Usually shipped or available for shop collection, within 48 hours (Mon-Fri)
Instock - Supplier Warehouse - Item is held in Suppliers Warehouse, Depending on the the supplier transfer time can vary from 24 Hours to 14 Days for item held in European warehouse.
(over festive periods some suppliers shut from 24th Dec-2nd Jan so orders can be delayed through this period.)
Brands held in European website include Trek, Bontrager, Electra, Wahoo, Rapha. For up-to-date transfer times please call customer services on +44 (0)1782 768622
Most out products are shipped by FedEx, providing unprecedented reliability and speed. Lightweight Spares below £25.00 value have a Royal Mail postage option, which is sent via Tracked 48 service. - £2.99
Shipping on all Domestic Orders over £50.00 (excluding bikes and home trainers) for delivery within the UK is completely FREE!
Bike and Home Trainers and oversize Goods £15.00 - FedEx
White Glove Bike Delivery - our white glove option has your bike personally delivered to you by a fully trained Mechanic and Bike fitter - £99.99
(Certain bikes will only have this option such as Cargo Bikes)
To Qualify for FREE Shipping:
In some cases, we may ship items out with another courier, depending on the status and availability of items ordered. (Customers will not be charged more and will be refunded any unused postage cost) If part of an order is cancelled and the total drops below the £50.00 free postage, a postage charge may be taken.
Delivery costs will be clearly stated on the checkout page, though you will need to register (to provide your delivery address) in order to see the delivery costs.
If you have any questions about delivery charges, times or none delivery please do not hesitate to get in touch by email:store@swinnertoncycles.co.uk or by telephone on +44 (0)1782 768622. Handling is normally 48 hours, but at busy periods this may be extended but we will endeavor to process your order within 5 working days. Please bear in mind in some cases orders can take longer to process, please contact us for more details.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.










