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It's right for you if...

You want fun. All of it. But you’re also serious about speed, and want a bike that's spec'd accordingly. You're looking for a quick down-country shredder that's fast on flats, soaks up rough terrain, and has the latest in fully wireless electronic components.

The tech you get

A full carbon frame, super-plush 120mm RockShox Pike Ultimate fork with a Charger 2 RC2 damper that gives you more adjustment. 115mm of rear travel with a RockShox Deluxe Ultimate shock, and a fully wireless SRAM XX1 Eagle AXS drivetrain. Plus, wide carbon Bontrager Kovee Pro 30 wheels with a 108-tooth Rapid Drive hub for instant engagement, wireless RockShox Reverb AXS dropper, and SRAM Level Ultimate brakes with carbon levers.

The final word

The best of the best. You get all the fast down-country fun you can handle, with all of the latest and greatest in suspension and wireless drivetrain tech.

The Walkthrough

favorite_borderWhy you'll love it

  1. The SRAM XX1 Eagle AXS drivetrain is smart, smooth, and completely wireless
  2. This short-travel bike has a killer suspension setup reminiscent of the all-mighty mullet—it's both efficient and ready to party
  3. The TwistLoc remote lets you easily lock out both front and rear shocks at the same time for added sprinting or climbing efficiently
  4. Make it yours: it's fully customizable through Project One
  5. Wider Kovee Pro 30 wheels provide better tire support so you can run lower pressure and get more traction

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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.

Learn more
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.

Rapid Drive 108 rear hub

Rapid Drive 108 rear hub

With 108 points of engagement, Rapid Drive gives you nearly instant acceleration instead of a clunky lag when you step on the pedals. You get smooth, immediate power to blast out of corners and hammer through the rough stuff. And that extra pedal ratchet adds control that can make all the difference when tackling a tricky climb.

Specifications

*spec applies to all sizes unless otherwise noted

Frameset
Fork RockShox SID Ultimate, DebonAir spring, Charger Race Day damper, remote lockout, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 120mm travel
Shock RockShox SID Luxe Ultimate, DebonAir spring, Ultimate RL damper, 190x45mm
Suspension lever SRAM TwistLoc dual remote with grips
Wheels
Front wheel Bontrager Kovee Pro 30 carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle
Rear wheel Bontrager Kovee Pro 30 carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle
Rear skewer Bontrager Switch thru axle, removable lever
Tire Bontrager XR3 Team Issue, Tubeless Ready, Inner Strength sidewall, aramid bead, 120tpi, 29x2.40''
*Tire part Size: S, M, M/L, L, XL
Bontrager TLR valve, 50mm
Size: S, M, M/L, L, XL
Bontrager TLR sealant
Rim strip Bontrager TLR
Drivetrain
Shifter SRAM Eagle AXS, wireless, 12-speed
Rear derailleur SRAM XX1 Eagle AXS
*Crank Size: S
SRAM XX1 Eagle AXS, DUB, 32T alloy ring, Boost (52mm chainline), 170mm length
Size: M, M/L, L, XL
SRAM XX1 Eagle AXS, DUB, 32T alloy ring, Boost (52mm chainline), 175mm length
Bottom bracket SRAM DUB, 92mm, PressFit
Cassette SRAM Eagle XG-1299, 10-52, 12 speed
Chain SRAM XX1 Eagle, 12 speed
Components
Saddle Bontrager Arvada, austenite rails, 138mm width
*Seatpost Size: S
RockShox Reverb AXS, 100mm travel, wireless, 31.6mm, 340mm length
Size: M, M/L
RockShox Reverb AXS, 150mm travel, wireless, 31.6mm, 440mm length
Size: L, XL
RockShox Reverb AXS, 170mm travel, wireless, 31.6mm, 480mm length
Handlebar Bontrager Line Pro, OCLV Carbon, 35mm, 15mm rise, 750mm width
*Stem Size: S, M, M/L
Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree, 60mm length
Size: L, XL
Bontrager Kovee Pro, 35mm, Knock Block, Blendr compatible, 13 degree, 70mm length
Headset Knock Block Integrated, 58-degree radius, cartridge bearing, 1-1/8'' top, 1.5'' bottom
Brake SRAM G2 Ultimate hydraulic disc, carbon levers
*Brake rotor Size: S, M, M/L, L, XL
SRAM CenterLine, 6-bolt, round-edge, 160mm
Size: S, M, M/L, L, XL
SRAM CenterLine, 6-bolt, round-edge, 180mm
Weight
Weight M - 11.07 kg / 24.40 lbs (with TLR sealant, no tubes)
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° 9.0 68.0° 56.3 34.3 3.0 43.4 4.4 10.3 111.7 73.1 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 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
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 73.6 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 47.0 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 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 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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