Top Fuel 9.8 XT Di2 Gen 4
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Detail
Overview
It's right for you if...
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 is high on your list, so you want a carbon frame and upgraded components, like Shimano's iconic XT Di2 wireless 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 130mm RockShox Pike Select+ fork with DebonAir spring, and Charger 3.1 RC2 damper, plus 120mm of rear travel from a RockShox Deluxe Ultimate RCT shock. Shimano's all-new XT Di2 wireless 12-speed drivetrain, Shimano XT 4-piston hydraulic brakes, Bontrager Line dropper post, and tubeless-ready Bontrager Line Comp 30 wheels.
The final word
If you're after a light carbon trail bike that balances a playful and capable ride, reach for Top Fuel 9.8 XT 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 Shimano's new XT Di2 wireless drivetrain and a sweet RockShox suspension package.
Sizing
size-table Size Rider Height Inseam S 155 - 165 cm
5'1" - 5'5"
74 - 78 cm
29" - 31"
M 165 - 176 cm
5'5" - 5'9"
79 - 83 cm
31" - 33"
ML 173 - 180 cm
5'8" - 5'11"
81 - 86 cm
32" - 34"
L 177 - 188 cm
5'10" - 6'2"
84 - 89 cm
33" - 35"
XL 188 - 195 cm
6'2" - 6'5"
89 - 91 cm
35" - 36"
Customer Reviews
Emm******man
Okay, this Top Fuel 9.8 XT Di2 Gen 4 is legit. I've been riding mountain bikes for years, and this is hands down the best full-suspension bike I've ever owned. The suspension is dialed, the components are top-notch, and it just feels so planted and confident on the trails. I was a little hesitant about the Di2 at first, but now I'm a convert. Shifting is instant and effortless, even under load. If you're looking to upgrade your ride, this is it. Worth every penny. My Strava times are already thanking me!
Ame*******efe
Absolutely in love with my new Top Fuel! It's so responsive and handles like a dream. Perfect for tackling those technical trails. #MountainBiking
Han******oll
Just took my Top Fuel 9.8 XT Di2 Gen 4 out for its maiden voyage and WOW! This thing climbs like a goat and descends like a rocket. The Di2 shifting is so smooth and precise, it's a game changer. Seriously considering selling my other bike now. Best money I've spent in a long time. #MountainSeries #Trek #BikeLife