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It's right for you if...
You want a big bike with big wheels to roll over big things and send big hits. You might enter some enduro races, but you mostly just want to rail sketchy descents faster than anyone else in your crew.
The tech you get
An aluminium frame built for harsh riding with a threaded bottom bracket, dual downtube guards, Knock Block 2.0 and 160 mm of travel with a RockShox Super Deluxe Ultimate shock for long descents and 170 mm RockShox Lyrik Select+ fork. Plus, a SRAM GX Eagle drivetrain with an extra-low 52-tooth gear, Code R 4-piston brakes and completely tubeless Line Comp 30 wheels.
The final word
Slash 8 puts serious enduro performance within reach with smart choices on spec that won't empty your wallet. The aluminium frame, burly suspension and 1x12 Eagle drivetrain makes for a ride that's equally at home on the race course and on a big, out-in-the-wild session.
The Walkthrough
favorite_borderWhy you'll love it
- A sleek internal storage compartment gives you a versatile spot to stow tools and gear
- We added a second down tube guard to better protect your frame from shuttle-related damage
- It's equally at home between the tape and in the rugged wild – Yes, the Slash is a racing bike, but it's ridiculously fun on gnarly trail rides, too
- New, removable Knock Block has a bigger steering angle to keep cables and hoses safe without sacrificing turning radius
- Wider seat tube, wider dropper – the 34.9 mm diameter post is stronger, more durable, and moves up and down faster
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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‘Feels exactly right’
‘The Slash has a big-bike feel that makes it easier to charge into an unfamiliar trail, while retaining enough manoeuvrability to prevent it from feeling like overkill on mellower trails.’
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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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Internal frame storage makes it easy to ditch the pack and still carry your ride essentials.
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.
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.
Suspension Calculator
This suspension calculator will help you optimise your suspension settings for your riding weight. Simply follow the steps to find your best set up.
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Complete Tubeless System
Tubeless Ready rims and tyres make it easy to ditch the tubes so you get better traction, fewer flats and less weight. You're ready to roll straight out of the box with the included TLR rim strips, valves and sealant.
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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.
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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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.
Specifications
*spec applies to all sizes unless otherwise noted
| Frame | Alpha Platinum Aluminium, internal storage, tapered head tube, Knock Block 2.0, Control Freak internal routing, down tube guard, shuttle guard, threaded BB, ISCG 05, 34.9 mm seat tube, magnesium rocker link, Mino Link, ABP, Boost148, 160 mm travel |
|---|---|
| Fork | RockShox Lyrik Select+, DebonAir spring, Charger 2.1 RC damper, tapered steerer, 42 mm offset, Boost110, 15 mm Maxle Stealth, 170 mm travel |
| Shock | NEW RockShox Super Deluxe Ultimate, DebonAir spring, Thru Shaft 3-position damper, 230x62.5 mm |
| Max compatible fork travel | 180mm (596mm axle-to-crown) |
| Wheel front | Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle |
|---|---|
| Wheel rear | Bontrager Line Comp 30, Tubeless-Ready, Rapid Drive 108, 6-bolt, Boost148, 12 mm thru axle |
| Skewer rear | Bontrager Switch thru-axle, removable lever |
| Rim | Bontrager Line Comp 30, Tubeless Ready, 6-bolt, Boost110, 15mm thru axle |
| Tyre | Bontrager XR5 Team Issue, Tubeless Ready, aramid bead, 120 tpi, 29x2.50" |
| Tyre part | Bontrager TLR sealant, 180 ml/6 oz |
| Rim strip | Bontrager TLR |
| Max tyre size | Frame: 29x2.50" Fork: See manufacturer |
| Shifter | SRAM GX Eagle, 12-speed |
|---|---|
| Rear derailleur | SRAM GX Eagle |
| Crank | SRAM X1 Eagle, DUB MTB Wide, 30T steel ring, 55 mm chainline, 170 mm length |
| Bottom bracket | SRAM DUB MTB Wide, 73 m, BSA threaded |
| Cassette | SRAM Eagle XG-1275, 10-52, 12-speed |
| Chain | SRAM GX Eagle, 12-speed |
| Max. chainring size | Max: 34T, Min 28T |
| Saddle | Bontrager Arvada, hollow chromoly rails, 138 mm width |
|---|---|
| *Seatpost |
Size:
S TranzX JD-YSP39, 100 mm travel, internal routing, 34.9 mm |
|
Size:
M TranzX JD-YSP39, 150 mm travel, internal routing, 34.9 mm |
|
|
Size:
L , XL TranzX JD-YSP39, 170 mm travel, internal routing, 34.9 mm |
|
| Handlebar | Bontrager Line, alloy, 35 mm, 27.5 mm rise, 820 mm width |
| Grips | Bontrager XR Trail Pro, alloy lock-on |
| Stem | Bontrager Elite, 35 mm, 0-degree, 35 mm length |
| Head set | 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 R hydraulic disc |
| *Brake rotor |
Size:
S , M , L , XL SRAM CenterLine, 6-bolt, round edge, 180 mm |
|
Size:
S , M , L , XL SRAM CenterLine, 6-bolt, round edge, 200 mm |
| Weight | M - 15.04 kg / 33.15 lb (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). |
Sizing & Tech
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 authorised retailer, where an expert skilled at sizing will help you find the appropriate bike and size for your individual needs.
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 stated.
| 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 | 70.6 | 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 | 71.2 | 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 | 74.4 | 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 | 75.0 | 45.6 | 61.8 |
| 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 | 75.4 | 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 | 76.0 | 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 | 77.4 | 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 | 78.0 | 52.1 | 65.4 |