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Aluminium full-suspension mountain bike Trek Slash 8 XT marianas blue 12-speed

Aluminium full-suspension mountain bike Trek Slash 8 XT blue: enduro 170/170 mm, high pivot, 29/27.5, 16.68 kg

CHF3,448.18 Incl. Tax

~~CHF4,170.95~~ MSRP

-17%

Recommended supplier selling price in 2026

Color

Blue

Size

Size charts

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Quantity

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Description
Product Details

Trek Slash 8 Marianas Blue: uncompromising aluminium enduro

The Gen 6 Trek Slash 8 is an Alpha Platinum aluminium enduro bike, with 170 mm of travel at both ends, a high main pivot with idler pulley and mixed 29 / 27.5-inch wheels, weighing 16.68 kg in size M. Fox Rhythm 36, Float X shock, four-piston brakes on 203 mm rotors: everything is ready for committed descents. Its Marianas Blue colour, a blue as deep as an ocean trench, is both understated and luminous.

Technical specifications

Frame	Alpha Platinum aluminium, high main pivot with idler pulley, internal storage, adjustable head angle headset, Active Braking Pivot, ISCG 05, UDH, 148x12 mm, Trek mudguard supplied
Suspension	Fox Rhythm 36 Float EVOL GRIP, 170 mm / Fox Performance Float X 230x65 mm, 170 mm
Drivetrain	Shimano 1x12: XT rear derailleur and 10-51 cassette, Deore 30T 165 mm chainset
Brakes	Shimano 4-piston, M6100 lever, M6120 calliper, RT66 203 mm rotors
Wheels / tyres	Bontrager Line Comp 30 / XR5 Team Issue 2.50, 29-inch front and 27.5 rear
Cockpit	Bontrager Line alloy 820 mm handlebar, Elite 35 mm stem
Saddle / seatpost	Bontrager Arvada / Line Dropper 170 mm
Weight	16.68 kg in size M (Trek figure, with tubeless sealant)

At a glance

✓ Alpha Platinum aluminium	✓ 170 mm rear / 170 mm front
✓ High pivot and idler	✓ 29 / 27.5 wheels
✓ 203 mm rotors	✓ 16.68 kg in size M

Who is it for?

For the enduro rider who spends weekends at the Lodève and Salagou spots, or in a bike park, and wants a tough bike that is not afraid of crashes. It also suits the mountain biker who pedals back up to earn every descent.

The LVR workshop view

Alpha Platinum aluminium, built for enduro. The Slash 8 uses the Gen 6 Alpha Platinum aluminium frame: high main pivot with idler pulley, adjustable head angle headset, internal storage and integrated protection. The high pivot makes the rear wheel move backwards as it rises over an obstacle, helping it roll over steps instead of hitting them.

	OCLV Mountain (Slash 9.8 / 9.9)	Alpha Platinum (Slash 8 / 9)	Benchmark: Gen 7 Fuel LX
Level	Trek's mountain bike carbon	High-end aluminium	Enduro on a Fuel base
Construction	OCLV layup tuned for impact resistance	Hydroformed tubes, smoothed welds	Carbon or NEXT Platinum alloy
Reference bike	Slash 9.9 X0 AXS: 16.53 kg (M)	Slash 8: 16.68 kg (M)	Fuel LX 9.8 XT Di2: 15.97 kg (M)
What it means	Lifetime frame warranty, higher-end builds	Cheaper to replace after a big crash	160 / 170 mm, conventional pivot

Put simply: an aluminium enduro frame makes sense when you ride hard and crash now and then. Here it weighs only 50 g more than the complete carbon Slash 9.8.

The high main pivot with idler pulley moves the rear axle backwards under compression: the bike swallows steps and rock gardens instead of hanging up on them. This system needs a little attention in the workshop (idler and chain); we include it in every service.

The mixed wheels, 29 inches at the front for rolling over obstacles and 27.5 at the rear for agility, make the Slash lively in the tight red-earth corners of the Salagou. The 203 mm rotors front and rear keep the power consistent on long descents.

Which Slash should you choose?

Model	Frame	Travel rear / front	Drivetrain	Weight (M)
Slash 8	Alpha Platinum alloy	170 / 170 mm	Shimano XT 1x12	16.68 kg
Slash 9 GX AXS	Alpha Platinum alloy	170 / 170 mm	SRAM GX AXS T-Type 1x12	17.47 kg
Slash 9.8 XT Di2	OCLV Mountain carbon	170 / 170 mm	Shimano XT Di2 1x12	16.63 kg
Slash 9.9 X0 AXS	OCLV Mountain carbon	170 / 170 mm	SRAM X0 AXS T-Type 1x12	16.53 kg

Our take: only 50 g separate this aluminium Slash 8 from the carbon 9.8 XT Di2. The 9.9 X0 AXS drops to 16.53 kg with Ultimate suspension and wireless shifting.

LVR sizing advice

Offered here in L (177 to 188 cm) and XL (188 to 195 cm). In enduro, many riders between two sizes choose the smaller one for agility; let's talk about it in the shop.

Size	L	XL
Rider height (cm)	177-188	188-195
Inseam (cm)	84-89	89-91
Dropper post (mm)	170	170

Source: Trek size guide. Bike fitting available in our Béziers shop.

Your questions

For the bike park?	Yes, it is designed for it: 170 mm, powerful brakes and a tough aluminium frame.
Idler maintenance?	Regular checks of the idler pulley and chain, which we do at each service.
29 and 27.5 wheels?	Yes, 29 inches at the front and 27.5 at the rear: stability and agility combined.
Does the Marianas blue scratch?	The frame has integrated protection; we can add protective film in the workshop.

The LVR Cycles verdict

A serious aluminium enduro bike, ready for racing or the bike park, at a remarkable weight. Its deep Marianas Blue makes it as good-looking as it is tough.

Pros
+ High pivot effective over impacts
+ Tough alloy frame
+ Very attractive deep blue

Cons
- Basic Deore chainset
- Idler maintenance to plan for

Why buy from LVR Cycles? As a Trek retailer in Béziers, we set up your Slash for enduro, service the fork and shock and check the idler pulley at every service.

Please note that the specifications may be changed without prior notice by the manufacturer, based on the availability of components and other factors.

Reference TRK-5302813

Data sheet