Trek Top Fuel 9.8 XT Di2 Gen 4
$4,079.00
The Trek Top Fuel 9.8 XT Di2 Gen 4 is a carbon trail mountain bike with an OCLV Mountain Carbon frame, RockShox Pike Select+ 130mm fork, RockShox Deluxe Ultimate RCT shock, Shimano XT Di2 12-speed drivetrain, Bontrager Line Comp 30 wheels, and Shimano XT 4-piston hydraulic disc brakes.
Trek Top Fuel 9.8 XT Di2 Gen 4 Overview
The Trek Top Fuel 9.8 XT Di2 Gen 4 is a carbon full-suspension trail mountain bike built around an OCLV Mountain Carbon frame with 120mm rear travel. The frame includes internal storage, a tapered head tube, internal guided routing, a downtube guard, alloy rocker link, 4-way Mino Link, ABP suspension design, Boost148 spacing, and a trail-focused suspension layout.
The suspension package uses a RockShox Pike Select+ fork with 130mm travel and a RockShox Deluxe Ultimate RCT shock. The drivetrain features Shimano XT Di2 M8250 12-speed shifting, a Shimano XT M8250 long cage rear derailleur, Shimano XT M8200 10-51 cassette, and Shimano XT 8200 crank. Bontrager Line Comp 30 Tubeless Ready wheels, Bontrager RSL XT tires, and Shimano XT M8220 4-piston hydraulic disc brakes complete the build.
Key Features of Trek Top Fuel 9.8 XT Di2 Gen 4
- OCLV Mountain Carbon frame includes internal storage, guided internal routing, a downtube guard, ABP, Boost148 spacing, and 120mm travel.
- RockShox Pike Select+ fork uses a DebonAir spring, Charger 3.1 RC2 damper, 44mm offset, and 130mm travel.
- RockShox Deluxe Ultimate RCT shock is sized at 185mm x 50mm.
- Shimano XT Di2 M8250 drivetrain delivers electronic 12-speed shifting with a 10-51 cassette.
- Shimano XT M8220 4-piston hydraulic disc brakes use Shimano RT86 180mm rotors.
- Bontrager Line Comp 30 wheels are Tubeless Ready and use Boost hub spacing.
- Size-specific wheel setup uses 27.5″ wheels on size S and 29″ wheels on sizes M, ML, L, and XL.
- Bontrager Line Dropper seatpost comes with size-specific travel from 100mm to 200mm.
Ride Use
This bike is built for trail mountain biking, supported by its OCLV Mountain Carbon full-suspension frame, 120mm rear travel, and RockShox Pike Select+ 130mm fork. The Shimano XT Di2 drivetrain, tubeless-ready wheels, Bontrager RSL XT tires, and 4-piston hydraulic disc brakes match the trail-focused category.
Why Choose This Bike
The Trek Top Fuel 9.8 XT Di2 Gen 4 combines a carbon trail frame, RockShox suspension, Shimano XT Di2 electronic shifting, Bontrager Line Comp 30 Tubeless Ready wheels, and Shimano XT 4-piston hydraulic disc brakes in one complete build. It also includes a Bontrager Line Pro OCLV Carbon handlebar, Bontrager Line Pro stem, Verse Short Comp saddle, Bontrager Line Dropper seatpost, and two color options: Dark Star and Matte Sedona Red. Trek frames and full-suspension swing arms are covered for the lifetime of the original owner, with other parts covered under Trek’s limited warranty.
Product Specifications
| Feature | Details |
|---|---|
| Brand | Trek |
| Model | Top Fuel 9.8 XT Di2 Gen 4 |
| Bike Type | Trail Mountain Bike |
| Color | Dark Star, Matte Sedona Red |
| Frame | OCLV Mountain Carbon, internal storage, tapered head tube, internal guided routing, downtube guard, alloy rocker link, 4-way Mino Link, ABP, Boost148, 120mm travel |
| Fork | RockShox Pike Select+, DebonAir spring, Charger 3.1 RC2 damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 130mm travel |
| Shock | RockShox Deluxe Ultimate RCT, 185mm x 50mm |
| Shifter | Shimano XT Di2 M8250, 12-speed |
| Rear Derailleur | Shimano XT M8250, long cage |
| Crank | Shimano XT 8200, 30T, 55mm chainline, 170mm length |
| Bottom Bracket | Shimano BB-MT501 BSA |
| Cassette | Shimano XT M8200, 10-51, 12-speed |
| Chain | Shimano Ultegra/XT M8100 |
| Brakes | Shimano XT M8220 4-piston hydraulic disc |
| Brake Rotors | Shimano RT86, 6-bolt, 180mm |
| Wheels | Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110 front, Boost148 rear, Rapid Drive 108 rear hub, Shimano Micro Spline freehub |
| Wheel Size | Size S: 27.5"; Size M, ML, L, XL: 29" |
| Tires | Size S: Bontrager Gunnison RSL XT 27.5x2.40"; Size M, ML, L, XL: Bontrager Gunnison RSL XT 29x2.40" and Bontrager Montrose RSL XT 29x2.40" |
| Tire Part | Bontrager TLR sealant, 6oz |
| Max Tire Size | Frame: 29x2.50"; Fork: see manufacturer |
| Handlebar | Bontrager Line Pro OCLV Carbon, 35mm, 27.5mm rise, 780mm width |
| Stem | Bontrager Line Pro, 35mm, Blendr compatible, 0 degree, 35mm length |
| Grips | Trek Line Elite, lock-on |
| Saddle | Verse Short Comp, steel rails, 145mm width |
| Seatpost | Bontrager Line Dropper, MaxFlow, internal routing, 34.9mm; 100mm travel on S, 170mm travel on M and ML, 200mm travel on L and XL |
| Weight | M - 14.00 kg / 30.86 lbs with TLR sealant, no tubes |
| Weight Limit | 300 pounds / 136 kg combined weight of bicycle, rider, and cargo |
| Manufacturer Warranty | Trek frames and full-suspension swing arms are covered for the lifetime of the original owner. Other parts are covered under Trek’s limited warranty. |
FAQ's Trek Top Fuel 9.8 XT Di2 Gen 4
What frame does the Trek Top Fuel 9.8 XT Di2 Gen 4 use?
The bike uses an OCLV Mountain Carbon frame with 120mm travel. The frame includes internal storage, a tapered head tube, internal guided routing, a downtube guard, alloy rocker link, 4-way Mino Link, ABP, and Boost148 spacing.
What drivetrain comes on the Trek Top Fuel 9.8 XT Di2 Gen 4?
This model uses a Shimano XT Di2 12-speed drivetrain. The build includes a Shimano XT Di2 M8250 shifter, Shimano XT M8250 long cage rear derailleur, Shimano XT M8200 10-51 cassette, Shimano XT 8200 crank, and Shimano Ultegra/XT M8100 chain.
What wheel size does the Trek Top Fuel 9.8 XT Di2 Gen 4 use?
Size S uses 27.5" Bontrager Line Comp 30 Tubeless Ready wheels. Sizes M, ML, L, and XL use 29" Bontrager Line Comp 30 Tubeless Ready wheels.
What is the weight of the Trek Top Fuel 9.8 XT Di2 Gen 4?
The size M bike weighs 14.00 kg / 30.86 lbs with TLR sealant and no tubes. The maximum total weight limit is 300 pounds / 136 kg, including the bicycle, rider, and cargo.
Reviews
There are no reviews yet.