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Free UK standard shipping on orders over £50
The Trek Top Fuel 9.9 XTR Di2 Gen 4 represents the pinnacle of mountain biking technology, combining lightweight materials with cutting-edge suspension systems. Designed for riders who demand versatility, this model offers the option to equip either a 120 mm fork for nimble handling or a 140 mm fork paired with a 130 mm rear shock to conquer more challenging trails. The frame’s compatibility with longer droppers and MX wheels enhances adaptability, allowing customization to match diverse riding styles and terrain demands.
Engineered with precision, the Top Fuel 9.9 integrates Shimano’s Di2 electronic shifting system, ensuring seamless and accurate gear transitions under all conditions. Its durable yet lightweight construction promotes speed and control, making it an ideal choice for competitive and recreational riders alike. Explore the full range of Trek mountain bikes and accessories to complement your setup and optimize your trail experience.
Does this model include electronic shifting?
Yes, the 9.9 XTR Di2 Gen 4 features Shimano’s Di2 electronic shifting for smooth and reliable gear changes.
Can I switch between different fork sizes?
Absolutely; the frame supports both 120 mm and 140 mm forks to suit your riding preferences.
| Frameset | 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 |
|---|---|
| Fork | Fox |
| Brakes | Shimano XTR M9220 4-piston hydraulic disc // Shimano XTR M9220 4-piston hydraulic disc |
| Tyres | Bontrager Gunnison RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 29x2.40" // Bontrager Montrose RSL XT, Tubeless-Ready, triple compound, aramid bead, 120 tpi, 29x2.40" |
| Rear mech | Shimano XTR Di2 M9250, long cage |
| Wheelset | Bontrager Line Pro 30 |
| Stem | Bontrager Line Pro, 35 mm, Blendr-compatible, 0-degree, 35 mm length |
| Handlebar | Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width |
| Shifters | Shimano |
| Cassette | Shimano XTR M9200, 10-51, 12-speed |
| Chainset | E*thirteen TRS Race Carbon, 30T, 55Â mm chain line, 170Â mm length |
| Bottom bracket | E*thirteen BB20-P, BSA threaded, 73Â mm width |
| Saddle | Verse Short Pro, carbon rails, 145 mm width |
| Seat post | Fox Transfer NEO, 200 mm travel, 34.9 |
| Rear shock | Fox |
| Tape grips | Trek Line Elite, lock-on |
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.

