Sorry! Trek 2021 Fuel EX 9.9 X01 Gen 5 is no longer available.

2021 Fuel EX 9.9 X01 Gen 5

The 2021 edition of the Fuel EX 9.9 XO1 Gen 5 from TREK takes everything to the next level. Fitted with top-tier suspension, carbon parts throughout and the newest X01 Eagle drivetrain from SRAM, it makes no compromises and emerges trail-ready.

Catering to the toughest riders, the Fuel EX 9.9 XO1 offers unrivalled versatility. The lightweight OCLV Mountain Carbon frame ensures minimum weight, while its adjustability and precision allow you to concentrate on conquering trails without worrying about your bike.

The bike's advanced technology includes FOX Factory suspension featuring Kashima Coat for increased sturdiness, and a highly effective RE:aktiv with Thru Shaft damper providing improved comfort for your rides. Complete with SRAM's latest X01 Eagle drivetrain and a massive 52-tooth cog, this bike delivers unparalleled performance.

Multiple factors contribute to the appeal of the Fuel EX 9.9. With impressive technology in suspension and drivetrain, a host of carbon parts and a commitment to speed and control, this bike truly stands out in the crowd. Whether you're navigating rocky climbs or taking on challenging descents, the Fuel EX 9.9 promises a reliable and responsive performance.

It also takes suspension a notch higher with a Fox Factory 36 fork for enhanced damping adjustments and smoother stanchions, courtesy of the Kashima Coat.

Key features:

- Internal Frame Storage: Ditch the backpack but carry all your essentials within your frame with ease.- Active Braking Pivot: Independently tune the suspension to respond to acceleration and braking forces, offering increased control when it's needed most.- RE:aktiv with Thru Shaft: Unrivalled grip and control with a shock that adapts to terrain faster than its counterparts.- Straight Shot with Knock Block: TREK's unique frame design optimises the stiffness-to-weight ratio, ensuring a more responsive ride, enabling you to push harder on challenging terrains.

Fuel your passion for mountain biking with the 2021 Fuel EX 9.9 XO1 Gen 5. The unmatched combination of design, technology, and materials ensures peak performance on every trail.

Frame	Size S, UNI, Carbon, OCLV Mountain Carbon main frame and stays, internal storage, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armour, ISCG 05, magnesium rocker link, Mino Link, ABP, Boost148, 130 mm travel
Wheel Size	Front 27.5
Wheel Size	Rear 27.5
Fork	Fox Factory 36, Float EVOL air spring, GRIP2 damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt axle, 140 mm travel
Fork	Unknown
Gears	DERAILLEUR, Sram, 1 Gears
Tyres	BONTRAGER,
Pedals	UNKNOWN,
Wheels	BONTRAGER, Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle, 27.5"" Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12 mm thru axle, 27.5""
Shifters	SRAM, SRAM X01 Eagle, 12-speed,
Kickstand	UNKNOWN, Unknown
Front Brake	VH, , Rim brake (calliper) with hydraulic actuation
Rear Brake	VH, , Rim brake (calliper) with hydraulic actuation
Rear Derailleur	,
Chain	SRAM, SRAM GX Eagle, 12-speed
Handlebar	BONTRAGER, Bontrager Line Pro, OCLV Carbon, 35 mm, 27.5 mm rise, 780 mm width
Stem	BONTRAGER, Bontrager Line Pro, 35 mm, Blendr-compatible, 0-degree, 35 mm length
Bartape / Grips	BONTRAGER
Seatpost	BONTRAGER
Saddle	BONTRAGER, Bontrager Arvada Pro, carbon rails, 138 mm width
Front Light	UNKNOWN
Rear Light	UNKNOWN