Top Fuel 9.9 XTR | Trek Bikes (CA)
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2020

Top Fuel 9.9 XTR

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$11,699.99 - $12,349.99 Model 31064

Top Fuel 9.9 is our top-of-the-line full suspension mountain bike for endurance racers and multi-discipline riders. This down-country rig is built with an OCLV Mountain Carbon frame and spec'd to the hilt with high-performance parts, including a FOX Factory 34 Step-Cast fork, a Shimano XTR drivetrain, carbon wheels, and Shimano XTR brakes. Top Fuel 9.9 flies through singletrack and rips descents, but it really shines when pushed to its full potential during grueling endurance races.

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It's right for you if...

You've set your sights on endurance racing, and want every lightweight and performance advantage. You're looking for an efficient yet trail-capable rig that's fast on flats, soaks up rough terrain, and keeps you going mile after brutal mile.

The tech you get

A full OCLV Mountain Carbon frame, top-of-the-line 120mm Fox Factory 34 Step-Cast Float fork with FIT4 damper, 115mm of rear travel with a FOX Factory Float shock, and a 1x12 Shimano XTR drivetrain. Plus, wide carbon Bontrager Kovee Pro 30 wheels, TwistLoc dual remote suspension lockout, Bontrager Line Elite Dropper, Bontrager Kovee XXX OCLV Carbon handlebars, and Shimano XTR brakes.

The final word

The Top Fuel 9.9 is built for speed and capability on any terrain, but its efficient, short-travel design excels in endurance events. An OCLV Mountain Carbon frame, top-of-the-line suspension, and carbon components come together for a nimble and insanely fun ride at any distance.

The Walkthrough

favorite_borderWhy you'll love it

  1. It’s the ultimate endurance race bike—light, capable, and trimmed with high-performance components
  2. Wider Kovee Pro 30 wheels provide better tire support so you can run lower pressure and get more traction
  3. TwistLoc simultaneously locks out front and rear shocks for climbs and sprints with the simple Grip Shift-like motion
  4. This short-travel trail bike gives you a suspension setup that’s capable in several MTB disciplines, and especially suited to endurance events
  5. Make it yours: it's fully customizable through Project One


Features

Will my bike have a curved top tube?

Will my bike have a curved top tube?

Smaller frames (S) have a top tube that dips down as it approaches the seat tube. This design makes for a lower standover height, which is good for shorter riders because it allows them to straddle their bike more easily. Larger frames (M and up) have a straight top tube because taller riders with longer legs typically don’t have the same issues with standover height.

Active Braking Pivot

Active Braking Pivot allows our engineers to tune how the suspension reacts to acceleration and braking forces independently. That means you get more confident control when you need it most.

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Straight Shot w/Knock Block

Trek's Straight Shot frame design optimizes the stiffness-to-weight ratio for a more responsive ride. You'll be able to push harder and stay more planted on your line when the going gets rough.

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OCLV Mountain Carbon

Trek's mountain-specific carbon fiber is tougher carbon, with unique materials and layup procedures, Trek's advanced engineering, and a higher standard of testing.

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Specifications

*spec applies to all sizes unless otherwise noted

Frameset
Frame OCLV Mountain Carbon main frame and stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115 mm travel
Fork Fox Factory 34 Step-Cast, Float EVOL air spring, FIT4 2-position damper, dual remote, tapered steerer, 44mm offset, Kashima Coat, Boost110, 15mm bolt-on axle, 120mm travel
Shock Fox Factory Float, 2-position DPS damper, Kashima Coat, 190x45 mm
Suspension lever SRAM TwistLoc dual remote
Wheels
Front wheel Bontrager Kovee Pro 30 carbon, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle
Rear wheel Bontrager Kovee Pro 30 carbon, Tubeless Ready, 108T Rapid Drive, 6-bolt, SRAM XD driver, Boost148, 12 mm thru axle
Rear skewer Bontrager Switch thru axle, removable lever
Tire Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120 tpi, 29x2.40"
Tire part Bontrager TLR valve, 50mm
Rim strip Bontrager TLR
Drivetrain
Shifter Shimano XTR M9100, 12-speed
Rear derailleur Shimano XTR M9100, Shadow Plus, long cage, 51-T max cog
*Crank Size: S
Shimano XTR M9120, 32T alloy ring, Boost, 170mm length
Size: M, M/L, L, XL
Shimano XTR M9120, 32T alloy ring, Boost, 175mm length
Cassette Shimano XTR M9100, 10-51, 12-speed
Chain Shimano XTR M9100, 12-speed
Components
Saddle Bontrager Montrose Pro, 7x10 mm carbon rails, 138 mm width
*Seatpost Size: S
Bontrager Line Elite Dropper, 100 mm travel, internal routing, 31.6 mm, 340 mm length
Size: M, M/L
Bontrager Line Elite Dropper, 150mm travel, internal routing, 31.6 mm, 440mm length
Size: L, XL
Bontrager Line Elite Dropper, 170mm travel, internal routing, 31.6 mm, 480mm length
Handlebar Bontrager Line Pro, OCLV Carbon, 35 mm, 15 mm rise, 750 mm width
*Stem Size: S, M
Bontrager Kovee Pro, 35 mm, Knock Block, Blendr-compatible, 13-degree, 60 mm length
Size: M/L, L, XL
Bontrager Kovee Pro, 35 mm, Knock Block, Blendr-compatible, 13-degree, 70 mm length
Headset Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8" top, 1.5" bottom
Brake Shimano XTR M9100 hydraulic disc
*Brake rotor Size: S, M, M/L, L, XL
Shimano RT86, 160mm, 6-bolt
Size: S, M, M/L, L, XL
Shimano RT86, 180mm, 6-bolt
Weight
Weight M - 11.02 kg / 24.30 lbs (with TLR sealant, no tubes)
Weight limit This bike has a maximum total weight limit (combined weight of bicycle, rider and cargo) of 136 kg (300 lb).
We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colors, and materials.
Bike and frame weights are based off Trek pre-production painted frames at time of publication. Weights may vary in final production.

Sizing & fit

Proper bike fit is essential for best performance and comfort. Any size and geometry measurements shown on trekbikes.com are for general comparison purposes only. To find your perfect fit, visit an authorized Trek retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.

 

Rider Height

Inseam

All measurements provided in cm unless otherwise stated.

Frame size number Frame size letter Geometry position A — Seat tube B — Seat tube angle Effective seat tube angle C — Head tube length D — Head angle E — Effective top tube F — Bottom bracket height G — Bottom bracket drop H — Chainstay length I — Offset J — Trail K — Wheelbase L — Standover M — Frame reach N — Frame stack
15.5 S High 39.4 68.5° 75.5° 9.0 68.0° 56.3 34.3 3.0 43.4 4.4 10.3 111.7 73.0 41.0 59.0
15.5 S Low 39.4 68.0° 75.0° 9.0 67.5° 56.4 33.7 3.6 43.5 4.4 10.7 111.7 72.5 40.5 59.4
17.5 M High 41.9 68.5° 75.5° 9.0 68.0° 59.8 34.3 3.0 43.4 4.4 10.3 115.2 73.5 44.5 59.0
17.5 M Low 41.9 68.0° 75.0° 9.0 67.5° 59.9 33.7 3.6 43.5 4.4 10.7 115.2 73.0 44.0 59.4
18.5 ML High 44.5 68.5° 75.5° 9.0 68.0° 61.4 34.3 3.0 43.4 4.4 10.3 116.8 74.1 46.1 59.0
18.5 ML Low 44.5 68.0° 75.0° 9.0 67.5° 61.5 33.7 3.6 43.5 4.4 10.7 116.8 73.5 45.6 59.4
19.5 L High 47.0 68.5° 75.5° 10.0 68.0° 63.0 34.3 2.9 43.4 4.4 10.3 118.5 75.1 47.5 59.9
19.5 L Low 47.0 68.0° 75.0° 10.0 67.5° 63.2 33.7 3.6 43.5 4.4 10.7 118.6 74.5 47.0 60.3
21.5 XL High 52.1 68.5° 75.5° 11.0 68.0° 65.0 34.3 2.9 43.4 4.4 10.3 120.6 77.1 49.2 60.8
21.5 XL Low 52.1 68.0° 75.0° 11.0 67.5° 65.1 33.7 3.6 43.5 4.4 10.7 120.7 76.5 48.7 61.2
23.5 XXL High 57.0 68.5° 75.5° 12.0 68.0° 67.5 34.3 2.9 43.4 4.4 10.3 123.3 78.6 51.5 61.7
23.5 XXL Low 57.0 68.0° 75.0° 12.0 67.5° 67.7 33.7 3.6 43.5 4.4 10.7 123.4 78.0 51.0 62.2

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