5331643
197216145677
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 2025 Top Fuel 9.9 XTR Gen 4 S LUNAR SILVER 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.
Trek Top Fuel 9.9 XTR Gen 4 Full Suspension Mountain Bike 2025 in Axinite FlipBrand:Trek Code:49364REDThe Top Fuel 9.9 XTR Gen 4 is a lightweight carbon trail bike built to rip up climbs and stay playful on descents. It gives you the confidence you want through roots and rocks thanks to a 120 mm/130 mm RockShox suspension package with a Pike Ultimate fork and Deluxe Ultimate shock. Plus, you get clean shifts from a premium 12-speed Shimano XTR drivetrain. It's right for you if... You're after a carbon trail bike that keeps weight to a minimum without compromising on capability. You like to ride everything – long alpine climbs, rooty aspen slalom, fast XC singletrack and you want a bike that can keep up on the ups and hold its own on the downs. Keeping things light with a carbon frame is important to you, and you want the light yet precise shifting of a Shimano XTR drivetrain. The tech you get 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. A Shimano XTR 12-speed drivetrain, Shimano XTR M9100 hydraulic brakes, Bontrager Line dropper post and tubeless-ready Bontrager Line Pro 30 wheels. The final word If you're after a light carbon trail bike that balances a playful and capable ride, reach for the Top Fuel 9.8 XTR Gen 4. Its ultra-lightweight frame pairs with a 4-way Mino Link lower suspension mount for taking control of your geometry and suspension feel. Plus, you get clean shifts from a Shimano XTR drivetrain and a sweet RockShox suspension package.
| Frame | Size ML, UNI, Carbon, OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120mm travel |
| Wheel Size | Front 29 |
| Wheel Size | Rear 29 |
| Weight | 12630 g |
| Fork | RockShox Pike Ultimate, DebonAir spring, Charger 3.1 RC2 damper, 44mm offset, Boost110, Maxle Stealth, 130mm travel |
| Fork | Unknown |
| Gears | DERAILLEUR, Shimano, 1 Gears |
| Tyres | BONTRAGER, |
| Pedals | UNKNOWN, |
| Wheels | BONTRAGER, Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost, 29" Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle, 29'' Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle, 29'' |
| Shifters | SHIMANO, Shimano XTR M9100, 12 speed, |
| Kickstand | UNKNOWN, Unknown |
| Front Brake | SH, Shimano XTR M9100 hydraulic disc // Shimano XTR M9100 hydraulic disc Shimano RT86, 6-bolt, 180mm Max brake rotor size, Disc brake with hydraulic actuation |
| Rear Brake | SH, Shimano XTR M9100 hydraulic disc // Shimano XTR M9100 hydraulic disc Shimano RT86, 6-bolt, 180mm Max brake rotor size, Disc brake with hydraulic actuation |
| Rear Derailleur | , |
| Crankset | E_THIRTEEN, E*thirteen TRS Race Carbon, 30T, 55mm chainline, 170mm length E*thirteen BB20-P, BSA threaded, 73mm width |
| Chain | SHIMANO, Shimano Dura-Ace/XTR M9100, 12 speed |
| Handlebar | BONTRAGER, Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 45mm stem length |
| Bartape / Grips | BONTRAGER |
| Seatpost | BONTRAGER |
| Saddle | UNBRANDED, Verse Short Comp, steel rails, 145mm 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 | 197216145622, 197216145639, 197216145646, 197216145653, 197216145660, 197216145677, 197216145684, 197216145691, 197216145707, 197216145714, 197216145721, 197216145738, 197216145745, 197216145752, 197216145769 |
| SKUs / Part Numbers | 5331638, 5331639, 5331640, 5331641, 5331642, 5331643, 5331644, 5331645, 5331646, 5331647, 5331648, 5331649, 5331650, 5331651, 5331652 |
Please note: Manufacturers can sometimes change the specification of the products from time to time.