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It's right for you if...
You're looking for the kind of enduro bike that can rip it up on the world’s biggest stage. You want the very latest tech like electronic shifting and the new Flight Attendant electronic damper from RockShox.
The tech you get
A full OCLV Mountain Carbon frame with 160mm of travel and a RockShox Super Deluxe Ultimate shock with an updated Thru Shaft damper, a RockShox ZEB Ultimate fork with extra-beefy 38mm stanchions. Plus, RockShox Flight Attendant wireless electronic damping control automagically adjusts your suspension to best suit the terrain. A wireless electronic SRAM X01 Eagle AXS drivetrain with a 10-52 cassette, Reverb AXS dropper, Bontrager RSL integrated bar/stem, and Line Pro 30 carbon wheels with a 108-tooth Rapid Drive hub.
The final word
There's not a single part on this bike that wasn't made for ripping it up at insane speeds on the wildest enduro courses in the world. And you get RockShox Flight Attendant that automatically adjusts your suspension damping so you can focus on flying down the trail.
The Walkthrough
favorite_borderWhy you'll love it
- The RockShox ZEB fork's bigger 38mm stanchions help you stay on your line through the chunky stuff, while the updated damper lets you dial in the feel
- The OCLV Carbon RSL integrated bar/stem is ultralight, ultra-comfortable, and it looks awesome
- RockShox Flight Attendant uses wireless sensors in the fork, shock, and crank to automatically adjust your suspension damping to the terrain. It's one less distraction from the trail ahead
- Wider seat tube, wider dropper—the 34.9mm diameter post is stronger, more durable, and moves up and down faster
- A large internal storage compartment in the down tube lets you stow tools and gear
"Feels exactly right"
"The Slash has a big-bike feel that makes it easier to charge into an unfamiliar trail, while retaining enough maneuverability to prevent it from feeling like overkill on mellower trails."
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Winner - Mountain Bike category
"The combination of high-end performance with individuality and user-friendliness in the thought-through package delighted the entire jury."
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Enduro Bike of the Year
Once the dust had settled, it was the Slash that managed to edge its way into the lead. Its ability to tackle the wildest terrain without flinching yet all the while retaining that reactive, lively feel really won us over.
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"A hell of a bike"
"Slash is great on rough, bermed corners and it has been an absolute monster riding steeps. This is an easy bike to ride and everything felt very natural from the first drop in and I haven't looked back since."
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Features
RockShox Flight Attendant
Using SRAM AXS technology, Flight Attendant analyzes data from sensors on the fork, shock, and crank to automatically shift between compression damping modes before the thought ever crosses your mind. It does the thinking for you so you can stay focused and in the zone.
RockShox Super Deluxe Thru Shaft damper
With the all-new RockShox Super Deluxe Ultimate Thru Shaft, you get the most refined shock on the market, with an updated air spring and an exclusive Thru Shaft damper that gives you tenacious grip, plush control, and the support you need for ripping rough descents all day.
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.
Complete frame protection
Replaceable down tube guards protect the underside of your frame from rock strikes, trail debris, and janky shuttle vehicles so you can forget about damage worries and focus on blasting the next run.
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.
Internal frame storage makes it easy to ditch the pack and still carry your ride essentials.
Complete Tubeless System
Tubeless Ready rims and tires make it easy to ditch the tubes so you get better traction, fewer flats, and less weight. You're ready to roll right out of the box with the included TLR rim strips, valves, and sealant.
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Carbon Care Wheel Loyalty Program
Every set of Bontrager carbon wheels is backed by the Carbon Care Wheel Loyalty Program. In the unlikely event that you damage your Bontrager carbon wheels within the first two years of ownership, we’ll repair or replace them for free.
Oversized 34.9mm dropper post
Bigger is better. The oversized seat tube diameter gives more support and strength for longer travel droppers, and allows for more robust, durable internals that work faster.
Suspension Calculator
This suspension calculator will help you optimize your suspension settings for your riding weight. Simply follow the steps to find your best set up.
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Threaded bottom bracket
Slash is built for the hardest riding in the harshest conditions with a threaded bottom bracket that's more robust than press fit.
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
*spec applies to all sizes unless otherwise noted
| Frame | OCLV Mountain Carbon main frame & stays, internal storage, tapered head tube, Knock Block 2.0, Control Freak internal routing, Carbon Armor, shuttle guard, threaded BB, ISCG 05, 34.9mm seat tube, magnesium rocker link, Mino Link, ABP, Boost148, 160mm travel |
|---|---|
| Fork | RockShox ZEB Ultimate, Flight Attendant, DebonAir spring, Charger 2.1 RCT3 AXS damper, tapered steerer, 44mm offset, Boost110, 15mm Maxle Stealth, 170mm travel |
| Shock | RockShox Super Deluxe Ultimate, Flight Attendant, DebonAir spring, Thru Shaft 3-position AXS damper, 230mm x 62.5mm |
| Max compatible fork travel | 180mm (596mm axle-to-crown) |
| Wheel front | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle |
|---|---|
| Wheel rear | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost148, 12mm thru axle |
| Skewer rear | Bontrager Switch thru axle, removable lever |
| Rim | Bontrager Line Pro 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle |
| *Tire |
Size:
S , M , ML , L , XL Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50'' |
|
Size:
S , M , ML , L , XL Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50'' |
|
| Tire part | Bontrager TLR sealant, 6oz |
| Rim strip | Bontrager TLR |
| Max tire size | Frame: 29x2.50" Fork: See manufacturer |
| *Shifter |
Size:
S , M , ML , L , XL SRAM Eagle AXS, wireless, 12-speed |
|---|---|
|
Size:
S , M , ML , L , XL SRAM Eagle AXS, wireless, 12 speed |
|
| Rear derailleur | SRAM XX1 Eagle AXS |
| Crank | SRAM XX1 Eagle, Flight Attendant, DUB MTB Wide, 30T alloy ring, 55mm chainline, 170mm length |
| Bottom bracket | SRAM DUB MTB Wide, 73mm, BSA threaded |
| Cassette | SRAM Eagle XG-1299, 10-52, 12 speed |
| Chain | SRAM GX Eagle, 12 speed |
| Max chainring size | Max: 34T, Min 28T |
| Saddle | Bontrager Arvada, austenite rails, 138mm width |
|---|---|
| *Seatpost |
Size:
S RockShox Reverb AXS, 100mm travel, wireless, 34.9mm, 340mm length |
|
Size:
M , ML RockShox Reverb AXS, 150mm travel, wireless, 34.9mm, 440mm length |
|
|
Size:
L , XL RockShox Reverb AXS, 170mm travel, wireless, 34.9mm, 480mm length |
|
| Integrated Bar Stem | Bontrager RSL Integrated handlebar/stem, OCLV Carbon, 27.5mm handlebar rise, 820mm width, 0 degree stem rise, 35mm stem length |
| Grips | Bontrager XR Trail Pro, alloy lock-on |
| Headset | Knock Block 2.0 Integrated, 72-degree radius (includes infinite-radius chip), sealed cartridge bearing, 1-1/8'' top, 1.5'' bottom |
| Brake | SRAM Code RSC 4-piston hydraulic disc |
| *Brake rotor |
Size:
S , M , ML , L , XL SRAM CenterLine, 6-bolt, round edge, 180mm |
|
Size:
S , M , ML , L , XL SRAM CenterLine, 6-bolt, round edge, 200mm |
| Weight | M - 14.23 kg / 31.38 lbs (with TLR sealant, no tubes) |
|---|
Sizing & Tech
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 retailer.
Rider Height
Inseam
S
153.0 - 166.5 cm
5'0.2" - 5'5.6"
72.0 - 79.0 cm
28.3" - 31.1"
M
161.0 - 172.0 cm
5'3.4" - 5'7.7"
76.0 - 81.0 cm
29.9" - 31.9"
M/L
165.5 - 179.0 cm
5'5.2" - 5'10.5"
77.0 - 84.0 cm
30.3" - 33.1"
L
177.0 - 188.0 cm
5'9.7" - 6'2.0"
83.0 - 88.0 cm
32.7" - 34.6"
XL
186.0 - 196.0 cm
6'1.2" - 6'5.2"
87.0 - 92.0 cm
34.3" - 36.2"
All measurements provided in cm unless otherwise noted.
| Frame size number | Frame size letter | Geometry position | Wheel size | 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 | Low | 29" | 39.5 | 66.6° | 75.6° | 10.0 | 64.1° | 58.5 | 34.5 | 2.9 | 43.7 | 4.3 | 13.4 | 119.7 | 70.5 | 42.5 | 62.1 |
| 15.5 | S | High | 29" | 39.5 | 67.1° | 76.1° | 10.0 | 64.6° | 58.4 | 35.2 | 2.2 | 43.5 | 4.3 | 13.0 | 119.7 | 71.1 | 43.1 | 61.8 |
| 17.5 | M | Low | 29" | 42.0 | 66.6° | 75.6° | 10.0 | 64.1° | 61.0 | 34.5 | 2.9 | 43.7 | 4.3 | 13.4 | 122.2 | 74.3 | 45.0 | 62.2 |
| 17.5 | M | High | 29" | 42.0 | 67.1° | 76.1° | 10.0 | 64.6° | 60.9 | 35.2 | 2.2 | 43.5 | 4.3 | 13.0 | 121.2 | 74.9 | 45.6 | 61.8 |
| 18.5 | ML | Low | 29" | 43.5 | 66.6° | 75.6° | 10.5 | 64.1° | 62.9 | 34.5 | 2.9 | 43.7 | 4.3 | 13.4 | 124.3 | 74.3 | 46.9 | 62.6 |
| 18.5 | ML | High | 29" | 43.5 | 67.1° | 76.1° | 10.5 | 64.6° | 62.8 | 35.2 | 2.2 | 43.5 | 4.3 | 13.0 | 124.2 | 74.9 | 47.4 | 62.2 |
| 19.5 | L | Low | 29" | 45.0 | 66.6° | 75.6° | 11.5 | 64.1° | 64.9 | 34.5 | 2.9 | 43.7 | 4.3 | 13.4 | 126.4 | 75.3 | 48.6 | 63.5 |
| 19.5 | L | High | 29" | 45.0 | 67.1° | 76.1° | 11.5 | 64.6° | 64.7 | 35.2 | 2.2 | 43.5 | 4.3 | 13.0 | 126.3 | 75.9 | 49.1 | 63.1 |
| 21.5 | XL | Low | 29" | 50.0 | 66.6° | 75.6° | 14.0 | 64.1° | 68.4 | 34.5 | 2.9 | 43.7 | 4.3 | 13.4 | 130.5 | 77.3 | 51.6 | 65.8 |
| 21.5 | XL | High | 29" | 50.0 | 67.1° | 76.1° | 14.0 | 64.6° | 68.3 | 35.2 | 2.2 | 43.5 | 4.3 | 13.0 | 130.4 | 77.9 | 52.1 | 65.4 |