Trek 2025 Slash 8 Gen 6 Bike

The 2025 Slash 8 Gen 6 is built to push limits on the roughest trails. With a rugged aluminium frame, next-gen geometry, and an updated suspension platform, it’s the ultimate enduro machine for riders who demand speed, precision, and durability.

Whether you’re sending big lines, racing against the clock, or just hunting that next adrenaline hit, the Slash 8 Gen 6 delivers pro-level performance without the pro-level price tag.

Key Features:

• Durable Alpha Aluminum Frame – Lightweight, stiff, and built for the long haul.

• 170mm Front / 160mm Rear Travel – Smooths out rock gardens and big hits.

• Updated Suspension Kinematics – Enhanced traction and control on steep descents.

• Slack Head Tube & Long Reach – Modern geometry for aggressive trail riding.

• 1x12 Drivetrain – Wide-range gearing to climb and descend with ease.

• 29" Wheels – Roll fast, stay planted, and carry momentum over any terrain.

Frame

• Alpha Platinum Aluminium

• High main pivot with idler pulley

• Internal storage & routing

• Angle-adjust headset & adjustable leverage rate

• Integrated frame protection

• Alloy rocker link, ISCG 05 mount

• Active Braking Pivot (ABP)

• UDH compatible

• Boost148 (12x148 mm thru axle)

• 170 mm rear travel

Fork

• Fox Rhythm 36

• Float EVOL air spring, GRIP damper

• Tapered steerer, 44 mm offset

• Boost110 (15 mm Kabolt-X axle)

• 170 mm travel

Rear Shock

• Fox Performance Float X

• 2-position damper

• Size: 230 mm x 65 mm

Max Compatible Fork Travel

• 190 mm (606 mm axle-to-crown)

• Size S: 190 mm (587 mm axle-to-crown)

Wheels & Tyres

Front Wheel

• Size S: Bontrager Line Comp 30, 27.5", Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle

• Sizes M, ML, L, XL: Bontrager Line Comp 30, 29", Tubeless Ready, 6-bolt, Boost110, 15 mm thru axle

Rear Wheel

• Bontrager Line Comp 30, Tubeless Ready, Rapid Drive 54

• 6-bolt, Boost148, 12 mm thru axle (27.5")

Rear Skewer

• Bontrager Switch thru-axle, removable lever

Tyres

• Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi

• Size S: 27.5 x 2.50"

• Sizes M, ML, L, XL: 29 x 2.50"

Tubeless Setup

• Bontrager TLR sealant – 180 ml / 6 oz

• Bontrager TLR rim strip

• Max tyre size: Frame: 2.50" / Fork: See fork manufacturer

Drivetrain

• Shifter: Shimano XT M8100, 12-speed

• Rear Derailleur: Shimano XT M8100, long cage

• Crankset: Shimano Deore M6120, 30T ring, 55 mm chain line, 165 mm length

• Bottom Bracket: Shimano BB-MT501 BSA

• Cassette: Shimano XT M8100, 10-51T, 12-speed

• Chain: Shimano SLX M7100, 12-speed

• Max Chainring Size: 1x – 34T round, 32T oval (min: 28T)

Components

Saddle

• Bontrager Verse P3 with chromoly rails

Seatpost

• Size S: Bontrager Line Dropper, 100 mm travel, 310 mm length

• Sizes M, ML, L, XL: Bontrager Line Dropper, 170 mm travel, 450 mm length

• MaxFlow system, internal routing, 34.9 mm diameter

Cockpit

• Handlebar: Bontrager Line alloy, 35 mm clamp, 27.5 mm rise, 820 mm width

• Grips: Bontrager XR Trail Pro, alloy lock-on

• Stem: Bontrager Elite, 35 mm clamp, 0-degree rise, 35 mm length

• Headset: Integrated cartridge bearing, 1-1/8" top, 1.5" bottom, angle-adjust compatible

Brakes

• Shimano 4-piston hydraulic disc

• M6100 lever, M6120 caliper

• Rotors: Shimano RT66, 6-bolt, 203 mm

• Max Rotor Size: Frame: 220 mm / Fork: See fork manufacturer

Accessories

• Bontrager BITS Internal Frame Storage Bag

• Trek 27.5" custom fender (mudguard)

Weight

• Size M: 16.68 kg / 36.78 lbs (with TLR sealant, no tubes)

• Weight Limit: 136 kg / 300 lbs (total rider + bike + cargo)

Bikes cannot be shipped as part of large & bulky freight. please contact us directly regarding any bike sales.