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The 2023 Trek Slash 9.8 is a carbon enduro mountain bike built to handle big hits, rail corners and rip down the mountain faster than you ever thought possible. Ultra stiff and ultra tough carbon frame, carbon wheels and the most refined suspension tech from RockShox make this long-travel 29er a worthy contender for any dedicated rider and enduro podium.
It's right for you if...
You're looking to tackle huge days on huge mountains, whether it's an enduro race or an epic adventure. You want the light weight and muted vibes of a carbon frame, and you prioritise tunable suspension performance over a shiny top-shelf drivetrain.
The tech you get
A full OCLV Mountain Carbon frame with 160 mm of travel and a RockShox Super Deluxe Select+ RT shock, plus a RockShox ZEB Select+ fork with extra-beefy 38 mm stanchions. A SRAM fully wireless GX AXS 12-speed drivetrain and Bontrager Line Elite 30 carbon wheels with a 108-tooth Rapid Drive hub for instant acceleration when you need it most.
The final word
This is a beast of a mountain bike. You get hot new suspension technology normally reserved for the most expensive bikes, and you get it on a fresh new frame. With Slash 9.8, the faster you go, the better it rides, so giddy-up.
Mountain biking is an incredibly diverse sport. Mountain bikes now come in three main flavours. They are XC, Trail and Enduro.
XC – short for cross country, are quick race bikes. They will normally have 29” wheels and come with 100mm of suspension. If you are mainly going to be riding bridleways and natural trails in the South East of England, where our shops are, an XC bike will be the quickest and most efficient option.
Trail – these bikes are designed to be pedalled up and down hill and for use on bridleways and natural trails, but also at dedicated trail centres. They normally come with 130mm or 140mm of suspension travel and can have either 27.5” or 29” wheels, but 29” is quickly becoming the norm. Trail bikes are good all-rounders. They won’t be as fast as an XC bike on the flat but they can handle a lot more challenging terrain, and a few jumps. If you plan on taking your bike to trail centres in Wales, or to the Alps, then a trail bike may be your best option.
Enduro – enduro racing is a thing in and of itself but many people buy enduro bikes for ‘aggressive’ trail riding and uplift days at places like Bike Park Wales. This generally means challenging downhill trails with some big jumps. With around 160mm of suspension travel enduro bikes can take some big hits. They are designed to be efficient enough to pedal up hills but really come into their own when pointed downhill. You get enduro bikes in either 27.5” or 29” wheel sizes as well as mullet setups of 29 at the front and 27.5 at the back.
Nearly all the mountain bikes we sell are now unisex. All of the big brands have gradually stopped doing dedicated men’s and women’s bikes over the last few years. Instead they are focussed on producing bikes in a bigger range of sizes. So, for instance, the Trek Marlin 5 is a unisex bike that now comes in sizes from XXS to XXL large. This means it will fit riders from 4’ 5” to 6’ 5” and everything in between.
Trek made their first bikes in 1976 in a barn in Wisconsin. Now they’re one of the biggest bike brands in the world. Trek bikes cover everything from professional-level road and mountain bike race bikes to commuters, hybrids and kids bikes. There is a strong heritage of racing at Trek and many Trek bikes have a strong race influence. They take a very scientific approach to researching bike and human performance and then make the fastest and most efficient bikes they can.
It doesn’t stop their attention and passion for cycling flows through everything they do. Since the 1990s, Trek has supported Places for Bikes. Places for Bikes is an advocacy organisation in the USA that gets more people on bikes more often! Places for Bikes ethos falls in line with the companies mission statement to:
Build only products we love. Provide incredible hospitality to our customers, and change the world by getting more people on bikes.
|Frame||Unisex, Carbon, Size 42|
|Wheel Size||Size 29|
|Gears||SRAM GX Eagle AXS, 1 Gears|
|Rear Brake||SRAM Code R 4-piston hydraulic disc // SRAM Code R 4-piston hydraulic disc SRAM CenterLine, 6-bolt, round edge, 180 mm // SRAM CenterLine, 6-bolt, round edge, 200 mm Max brake rotor size, Disc brake with hydraulic actuation|
|Front Brake||SRAM Code R 4-piston hydraulic disc // SRAM Code R 4-piston hydraulic disc SRAM CenterLine, 6-bolt, round edge, 180 mm // SRAM CenterLine, 6-bolt, round edge, 200 mm Max brake rotor size, Disc brake with hydraulic actuation|
|Tyres||Bontrager SE5 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50" // Bontrager SE6 Team Issue, Tubeless Ready, Core Strength sidewalls, aramid bead, 120 tpi, 29x2.50"|
|Rear Derailleur||SRAM GX Eagle AXS|
|Crankset||SRAM GX Eagle, DUB MTB Wide, 30T, 55Â mm chainline, 170 length|
|Shifters||SRAM GX Eagle AXS, 12-speed|
|Chain||SRAM GX Eagle, 12-speed|
|Casette||SRAM Eagle XG-1275, 10-52, 12-speed|
|Headset||Knock Block 2.0 Integrated, 72-degree radius (includes infinite-radius chip), sealed cartridge bearing, 1-1/8" top, 1.5" bottom|
|Handlebar||Bontrager Line Pro, OCLV Carbon, 35mm, 27.5mm rise, 820mm width|
|Stem||Bontrager Line Pro, 35 mm, Knock Block, Blendr-compatible, 0-degree, 35 mm length|
|Bartape / Grips||Bontrager XR Trail Pro, alloy lock-on|
|Seatpost||Bontrager Line Elite Dropper, 150Â mm travel, MaxFlow, internal routing, 34.9Â mm, 440Â mm length|
|Saddle||Bontrager Arvada, austenite rails, 138 mm width|
|Wheels||Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, 6-bolt, Boost110, 15Â mm thru axle Bontrager Line Elite 30, OCLV Mountain Carbon, Tubeless Ready, Rapid Drive 108, 6-bolt, SRAM XD driver, Boost 148, 12Â mm thru axle, 29' Wheel Size|
Please note: Manufacturers can sometimes change the specification of the products from time to time.
|Colours||MATTE DEEP SMOKE, MATTE JUNIPER, SATIN BAJA YELLOW|
|Sizes||L - 29 WHEEL, M - 29 WHEEL, ML - 29 WHEEL, S - 29 WHEEL, XL - 29 WHEEL|
|Barcodes||601842786246, 601842786253, 601842786260, 601842786284, 601842786291, 601842832868, 601842832875, 601842832882, 601842832899, 601842832905, 601842832912, 601842832929, 601842832943, 601842832950|
|SKUs / Part Numbers||5279157, 5279158, 5279159, 5279160, 5279161, 5285337, 5285338, 5285340, 5285341, 5285342, 5285343, 5285344, 5285345, 5285346|
You can choose how to receive your new bike. You can click and collect from our stores, pick a fast courier delivery or premium hand delivery. Whichever option you choose your bike will be fully assembled and checked by one of our experienced mechanics.
We regularly check our prices against our competitors to ensure that you are getting a good deal. If you find an item cheaper within seven days of purchase, just let us know and ask us to match the price.
Cycles UK provides 14 days of free insurance on all new bikes sold to UK customers. As part of our service, your new bike is automatically covered with 14 days’ FREE insurance against theft and accidental damage.
Opinions of contact points such as saddles, shoes and grips can vary a lot between different riders. If you buy a contact point from Cycles UK and you don’t find it comfortable, you can return it within 30 days, and we’ll swap it for something else.
On most Trek mountain bikes the XS and S sizes will come with a 27.5" wheel while the M and above will come with a 29" wheel. The XXS size is generally a 26" wheel.
|Rider Height (CM)||134.6 - 144.7||145 - 154.6||155 - 164.75||165 - 172.5||172.75 - 180||180.25 - 187.75||188 - 195.25||195.5 - 203.25|
|Rider Height (Feet and Inches)||4' 4" - 4' 9.0"||4' 9.1" - 5' 0.9"||5' 1.0" - 5' 4.9"||5' 5.0" - 5' 7.9"||5' 8.0" - 5' 10.9"||5' 11" - 6' 1.9"||6' 2" - 6' 4.9"||6' 5" - 6' 8"|
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