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Carbon full-suspension electric mountain bike Trek Fuel+ MX 9.9 X0 AXS carbon smoke/lithium grey marble 12-speed

Carbon full-suspension electric mountain bike Trek Fuel+ MX 9.9 X0 AXS grey: TQ HPR60 580 Wh, 150/170 mm

CHF10,510.80 Incl. Tax

Color

Gris/Gris (foncé)

Size

Size charts

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Trek Fuel+ MX 9.9 X0 AXS Carbon Smoke: built for committed descending

With its 170 mm RockShox ZEB Ultimate fork, Vivid Ultimate shock for 150 mm of rear travel and four-piston SRAM Maven Silver brakes, the Trek Fuel+ MX 9.9 X0 AXS is a lightweight e-MTB that is not afraid of steep slopes. The TQ HPR60 motor and its 580 Wh battery take the rider back to the top. Trek has not published a weight for this version; benchmark: the 9.8 XT Di2, with an identical frame and motor, at 19.79 kg in size M. The Carbon Smoke/Lithium Grey Marble comes in a smoky anthracite grey marbled with lithium grey.

Technical specifications

Frame	OCLV Mountain carbon, removable battery, adjustable head angle and progression, ABP, UDH, Boost
Motor	TQ HPR60: 60 Nm, 250 W continuous, 350 W peak
Battery	TQ 580 Wh, removable
Controls / display	TQ colour LED display, Bluetooth and connectivity
Suspension	RockShox ZEB Ultimate Charger 3.2 RC2 with ButterCups 170 mm / RockShox Vivid Ultimate 205 x 65 mm, 150 mm
Drivetrain	SRAM X0 Eagle AXS T-Type wireless 1x12, XS-1295 10-52 cassette, X0 Eagle T-Type chain, SRAM cranks
Brakes	SRAM Maven Silver 4-piston hydraulic, SRAM HS2 200 mm rotors
Wheels / tyres	Bontrager Line Pro 30 carbon, mixed-wheel setup / Maxxis Assegai 29 x 2.5 MaxxGrip EXO+ (front) and Minion DHR II 27.5 x 2.5 MaxxGrip Double Down (rear), Tubeless Ready
Cockpit	Race Face ERA carbon 800 mm handlebar, 27.5 mm rise, Race Face Turbine R 40 mm stem
Saddle / seatpost	Trek Aeolus Pro carbon rails 145 mm / Fox Transfer NEO, 150 to 200 mm depending on size
Weight	Not published by Trek for this version; benchmark MX 9.8 XT Di2 (same frame, same motor): 19.79 kg in M

At a glance

✓ Bontrager Line Pro 30 carbon wheels	✓ TQ HPR60 and 580 Wh battery
✓ RockShox ZEB 170 mm and Vivid Ultimate	✓ Wireless SRAM X0 Eagle AXS
✓ Maven Silver 4-piston brakes	✓ Weight not published (benchmark 19.79 kg)

Who is it for?

For the rider who strings together technical descents and uses the motor as a personal ski lift, at the region's enduro spots or on the slopes of the Caroux. It will suit anyone weighing it up against a heavier enduro e-MTB who wants to keep a lively bike.

The LVR workshop view

OCLV carbon, Trek's signature. OCLV is Trek's long-standing carbon know-how: moulding under pressure and heat that expels the air trapped between the plies and gives a dense, uniform material. For its mountain bikes, Trek offers it as OCLV Mountain, with reinforcements in the areas exposed to rocks and crashes. The Fuel+ MX 9.9 X0 AXS pairs this frame, covered by a lifetime warranty, with carbon wheels and a carbon cockpit, the most accomplished build in the MX series.

	Fuel+ (TQ HPR60)	Fuel EXe (TQ HPR50)	Rail+ (Bosch CX)
Assist	60 Nm, 350 W peak	50 Nm	Bosch Performance Line CX
Battery	580 Wh	360 Wh	800 Wh
Benchmark weight (M)	19.79 kg (MX 9.8 XT Di2)	18.68 kg (EXe 9.9 XX AXS)	23.98 kg (Rail+ 9.8)
Philosophy	Lightweight e-MTB, comfortable reserve	The most natural, shorter range	Power and a big battery

Put simply: the 9.9 X0 AXS is the best-equipped Fuel+ MX: Line Pro 30 carbon wheels, carbon handlebar, wireless derailleur, 170 mm RockShox ZEB Ultimate fork and Vivid Ultimate shock. Trek does not publish its weight; the closest benchmark remains the 9.8 XT Di2 at 19.79 kg in M.

The ZEB Ultimate, with its air spring and ButterCups that filter out small vibrations, keeps the front end stable in rock gardens and on steps. The Vivid Ultimate, a shock designed for hard terrain, stays consistent when the descent goes on and on.

The four-piston Maven Silver brakes on 200 mm HS2 rotors offer high power and a consistent feel, useful when the heat builds on the long descents towards Lamalou-les-Bains. On the climbs, the TQ assist stops at 25 km/h and stays limited to 250 W nominal, as European law requires.

Which Fuel+ should you choose?

Model	Motor / battery	Rear / front travel	Drivetrain	Weight (M)
Fuel+ EX 9.9 X0 AXS	TQ HPR60, 580 Wh	145 / 150 mm	Wireless SRAM X0 Eagle AXS	not disclosed
Fuel+ MX 9.8 XT Di2	TQ HPR60, 580 Wh	150 / 160 mm	Wireless Shimano XT Di2	19.79 kg
Fuel+ MX 9.9 X0 AXS	TQ HPR60, 580 Wh	150 / 170 mm	Wireless SRAM X0 Eagle AXS	not disclosed
Fuel+ LX 9.8 Eagle 90	TQ HPR60, 580 Wh	160 / 170 mm	SRAM Eagle 90 T-Type	20.88 kg

Our take: for descending, the 9.9 X0 AXS and the 9.8 Eagle 90 offer the same RockShox Ultimate suspension, with 170 mm up front. If you are aiming for pure enduro, the Fuel+ LX 9.8 Eagle 90 steps up to 160 mm at the rear for 20.88 kg in M.

LVR sizing advice

Between two sizes, the more compact one suits riders who like to play with the terrain, the larger one those looking for stability at high speed. The Fox Transfer NEO dropper goes from 150 mm in S to 175 mm in M and 200 mm from L upwards.

Size	S	M	L	XL	XXL
Rider height (cm)	155-165	165-177	177-188	188-195	195-203
Inseam (cm)	74-78	79-83	84-89	89-91	91-97
Dropper post (mm)	150	175	200	200	200
Front / rear wheels (in)	29 / 27.5	29 / 27.5	29 / 27.5	29 / 27.5	29 / 27.5

Source: Trek size guide. Bike fitting available in our Béziers shop.

Your questions

Enough travel for enduro?	For recreational enduro, yes; for full-on enduro, the Fuel+ LX adds more rear travel.
What are the ButterCups for?	They are elastomer elements in the fork that reduce fine vibrations.
Do the Mavens hold up on long descents?	Yes, four pistons and 200 mm rotors; a regular bleed keeps them consistent.
Is the grey understated?	Yes, the smoky grey and its lithium grey marbling stay sober and technical.

The LVR Cycles verdict

A Fuel+ MX that owns its taste for descending, with RockShox Ultimate suspension and powerful Maven brakes, without giving up the lightness of the TQ motor. The marbled smoky grey reinforces its technical look.

Pros
+ RockShox ZEB 170 mm and Vivid Ultimate
+ Maven Silver 4-piston brakes
+ Marbled grey finish

Cons
- Weight not published
- Demanding suspension to set up

Why buy from LVR Cycles? In Béziers, we set up the ZEB and Vivid on your Fuel+ MX to suit your spots, bleed your Maven brakes and service your suspension.

Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.

Reference TRK-5352098

Data sheet