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2020

Top Fuel C Frameset

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$3,299.99 Model 28318

Top Fuel C is a carbon full suspension frameset made for a super fast and fun down-county build that flies down technical descents and speeds through climbs and flowy sections.

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It's right for you if...

You want to build up a quiver-killing bike that crushes all sorts of terrain. You know you want to start with a high-performance carbon frameset, and plan to spec it out as a trail-ripping, short-travel trail ripper.

The tech you get

A lightweight and trail-tough full OCLV Mountain Carbon frame with Mino Link adjustable geometry, a 115mm Fox Performance Float shock with 2-position DPS damper, Knock Block headset, and Control Freak internal cable routing. Designed for a 120mm fork, but can handle up to 130mm of fork travel.

The final word

Top Fuel C is light, nimble, and fun. This OCLV Mountain Carbon frameset is ideal for building up the all-around-awesome short-travel trail bike of your dreams.

The Walkthrough

favorite_borderWhy you'll love it

  1. The full carbon frame gives you a light, responsive ride
  2. If you’re looking to build up a lightning-fast short-travel trail bike, this is exactly where you should start
  3. Mino Link lets you make small adjustments to your geometry quickly and easily, even mid-ride
  4. You get a Straight Shot down tube for extra stiffness in the rough and Knock Block frame defense to protect against spinning bars and fork crowns

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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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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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Straight Shot downtube

Straight Shot downtube

Straight Shot downtube gives you an extra-stiff frame without adding any weight, so you can stick your line through the rough stuff and still fly up the next climb.

Knock Block

Knock Block has your frame's back when things go wrong. It prevents your handlebars from spinning all the way around in a crash, so your hoses won't get yanked, and your controls won't hit the top tube.

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Specifications

  • Frameset

    Frame
    OCLV Mountain Carbon main frame & stays, tapered head tube, Knock Block, Control Freak internal routing, Carbon Armor, magnesium rocker link, Mino Link, ABP, Boost148, 115mm travel
    Max compatible fork travel
    130mm
    Rear suspension
    Fox Performance Float, 2-position DPS damper, dual remote, tuned by Trek Suspension Lab, 190x45mm
  • Wheels

    Max tire size
    29x2.40"
  • Drivetrain

    Max chainring size
    36T
  • Components

    Stem
    Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree
    Headset
    Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8" top, 1.5" bottom
  • Weight

    Weight
    M - 2.15 kg / 4.74 lbs
    Weight limit
    This bike has a maximum total weight limit (combined weight of bicycle, rider, and cargo) of 300 pounds (136 kg).
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

The charts below show our recommended sizes based on height, but there are some other factors, like arm and leg length, that determine a great fit. That’s why you’ll see some overlap in our recommendations. Not every rider who’s 5´8˝, for example, will fit on the same size bike. The best way to find your perfect fit is to consult the experts at your local Trek retailer.

 

Rider Height

Inseam

All measurements provided in cm unless otherwise noted.

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 68.0° 56.3 34.3 3 43.4 4.4 10.3 111.7 73.1 41 59
15.5 S Low 39.4 68.0° 75.0° 9 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 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 72.0 44.0 59.4
17.5 M High 41.9 68.5° 75.5° 9 68.0° 59.8 34.3 3.0 43.4 4.4 10.3 115.2 72.6 44.5 59.0
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 68.5° 75.5° 10 68.0° 63 34.3 2.9 43.4 4.4 10.3 118.5 75.1 47.5 59.9
19.5 L Low 47 68.0° 75.0° 10 67.5° 63.2 33.7 3.6 43.5 4.4 10.7 118.6 74.5 47 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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