TREK SLASH 8 GEN 6 MTB BIKE 2025 MARIANAS BLUE

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Product Details - Trek Slash 8 Gen 6 Mtb Bike 2025 Marianas Blue

The Slash 8 is an enduro mountain bike that's built for pressing the send button again and again.

It's built on a high-pivot platform with 170 mm or front and rear travel that boosts traction for punchy climb stages and keeps stability a priority when you point it straight down. A mixed set-up with a 29˝ front and 27.5˝ rear wheel keep handling playful, and it comes equipped with a Shimano XT drivetrain for clean shifts no matter where you ride.

Key Features Trek Slash 8 Gen 6 MTB Bike 2025

  • Internal Frame Storage: Keep your riding essentials handy at all times with no riding pack.
  • Long 170 mm/170 mm Front and Rear TravelMore than enough for stomping big jumps and cleaning rock gardens
  • 12-Speed XT Drivetrain: Winch the steepest climbs and shred the next descent.

​Full Specification

  • Frame: Alpha Platinum Aluminium, high main pivot, idler pulley, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, integrated frame protection, internal routing, magnesium rocker link, ISCG 05, Active Braking Pivot, UDH, 148x12 mm thru axle, 170 mm travel
  • Rear Shock: Fox Performance Float X, 2-position damper, 230 mm x 65 mm
  • Fork: Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt-X axle, 170 mm travel
  • Shifters: Shimano XT M8100, 12-speed
  • Chainset: Shimano Deore M6120, 30T ring, 55 mm chain line, 165 mm length
  • Cassette: Shimano XT M8100, 10-51, 12-speed
  • Chain: Shimano SLX M7100, 12-speed
  • Front Derailleur: N/A
  • Rear Derailleur: Shimano XT M8100, long cage
  • Bottom Bracket: Shimano BB-MT501 BSA
  • Pedals: Not supplied
  • Rims: Bontrager TLR
  • Front Hub: Bontrager Line Comp 30, 6-bolt, Boost110, 15 mm thru axle
  • Rear Hub: Bontrager Line Comp 30
  • Front Tyre: Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50"
  • Rear Tyre: Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 27.5 x 2.50"
  • Brakes: Shimano XT M8120 4-piston hydraulic disc
  • Handlebars: Bontrager Line, alloy, 35 mm, 27.5 mm rise, 820 mm width
  • Grips: Bontrager XR Trail Pro, alloy lock-on
  • Headset: Trek Fuel EX 2023 Headset, Semi-Integrated Upper Cup, elongated shape to allow conversion to Angle Adjust headset, for use with standard Angular Contact Bearings
  • Stem: Bontrager Elite, 35 mm, 0-degree, 35 mm length
  • Saddle: Bontrager Arvada, hollow chromoly rails, 138 mm width
  • Seatpost: Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 310 - 450 mm length
  • Accessories: Bontrager BITS Internal Frame Storage Bag
  • Weight: M - 16.50 kg / 36.38 lbs (with TLR sealant, no tubes)

    We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

    Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.


     

    Size Guide

    Trek Slash Sizing Chart Size Guide

    How we Build & Pack Your Bike

    Aftercare

    At All Terrain Cycles, we want you to ride with confidence every time. To ensure your bike or e-bike stays in peak condition, here are some essential safety and maintenance tips.

    Bicycle Safety 

    Always wear a helmet – Safeguard against head injuries by using a properly fitted, safety-certified helmet.

    Perform pre-ride checks – Before each ride, verify that brakes, tyres, and gears are in good working order.

    Stay visible – Utilise lights and reflective gear when cycling in low-light conditions.

    Follow road rules – Ride responsibly and remain aware of your surroundings.

    Aftercare for Your New Bike Initial Check-Up (First 50-100 miles)

    Gear Adjustment – New cables may stretch slightly; have a qualified mechanic check and adjust them.

    Brake & Wheel Check – Inspect brakes for wear and ensure wheels are aligned properly.

    Lubrication – Apply chain oil and check bolt tightness to maintain smooth performance.

    Tyre Pressure – Regularly monitor to prevent flats and enhance efficiency.

    Routine Maintenance (Every Few Weeks)

    Chain Care – Clean and lubricate your chain to minimise wear and prolong its life.

    Brake Safety – Check brake pads and responsiveness before each ride.

    Tyre Inspection – Look for punctures and ensure correct air pressure.

    Handlebar & Stem Alignment – Confirm they are tight and secure to prevent instability.

    Frame Safety Check – Look for any signs of damage or cracks.

    Professional Check-Ups

    Have your bike serviced at least once a year, or more frequently if you ride often.

    Aftercare for Your New Electric Bicycle (e-Bike) Initial Check-Up (First 50-100 miles)

    Battery Care – Fully charge your battery (if required) before the first ride and store it in a dry, moderate-temperature environment.

    Avoid Overcharging – Unplug the charger once fully charged to extend battery life.

    Routine e-Bike Maintenance (Every Few Weeks)

    Motor Inspection – Listen for unusual noises and ensure smooth operation.

    Battery & Connection Checks – Inspect cables and connectors for dirt, moisture, or damage.

    Seasonal e-Bike Maintenance

    Check Electrical Components – Ensure wires and connections are clean and secure.

    Professional Servicing – Have your e-bike inspected at least once a year or every 500-1000 miles for optimal performance.

    By following these aftercare guidelines, you’ll help ensure that your bicycle runs smoothly, lasts longer, and remains a joy to ride. Stay safe and enjoy the ride!

    Read our full advice

    If you have any problems or concerns: Contact All Terrain Customer Services on 01274 588488 or email sales@allterraincycles.co.uk

    TREK SLASH 8 GEN 6 MTB BIKE 2025 MARIANAS BLUE
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    Regular price £4,250.00
    Regular price £4,250.00 Sale price £4,250.00
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    • SKU: 5302811
    • EPOS Code:
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    Built by Cytech Mechanics
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    Product Description

    The Slash 8 is an enduro mountain bike that's built for pressing the send button again and again.

    It's built on a high-pivot platform with 170 mm or front and rear travel that boosts traction for punchy climb stages and keeps stability a priority when you point it straight down. A mixed set-up with a 29˝ front and 27.5˝ rear wheel keep handling playful, and it comes equipped with a Shimano XT drivetrain for clean shifts no matter where you ride.

    Key Features Trek Slash 8 Gen 6 MTB Bike 2025

    • Internal Frame Storage: Keep your riding essentials handy at all times with no riding pack.
    • Long 170 mm/170 mm Front and Rear TravelMore than enough for stomping big jumps and cleaning rock gardens
    • 12-Speed XT Drivetrain: Winch the steepest climbs and shred the next descent.

    ​Full Specification

    • Frame: Alpha Platinum Aluminium, high main pivot, idler pulley, internal storage, angle-adjust headset, Mino Link adjustable geometry, adjustable leverage rate, integrated frame protection, internal routing, magnesium rocker link, ISCG 05, Active Braking Pivot, UDH, 148x12 mm thru axle, 170 mm travel
    • Rear Shock: Fox Performance Float X, 2-position damper, 230 mm x 65 mm
    • Fork: Fox Rhythm 36, Float EVOL air spring, GRIP damper, tapered steerer, 44 mm offset, Boost110, 15 mm Kabolt-X axle, 170 mm travel
    • Shifters: Shimano XT M8100, 12-speed
    • Chainset: Shimano Deore M6120, 30T ring, 55 mm chain line, 165 mm length
    • Cassette: Shimano XT M8100, 10-51, 12-speed
    • Chain: Shimano SLX M7100, 12-speed
    • Front Derailleur: N/A
    • Rear Derailleur: Shimano XT M8100, long cage
    • Bottom Bracket: Shimano BB-MT501 BSA
    • Pedals: Not supplied
    • Rims: Bontrager TLR
    • Front Hub: Bontrager Line Comp 30, 6-bolt, Boost110, 15 mm thru axle
    • Rear Hub: Bontrager Line Comp 30
    • Front Tyre: Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 29x2.50"
    • Rear Tyre: Bontrager XR5 Team Issue, Tubeless Ready, Inner Strength casing, aramid bead, 60 tpi, 27.5 x 2.50"
    • Brakes: Shimano XT M8120 4-piston hydraulic disc
    • Handlebars: Bontrager Line, alloy, 35 mm, 27.5 mm rise, 820 mm width
    • Grips: Bontrager XR Trail Pro, alloy lock-on
    • Headset: Trek Fuel EX 2023 Headset, Semi-Integrated Upper Cup, elongated shape to allow conversion to Angle Adjust headset, for use with standard Angular Contact Bearings
    • Stem: Bontrager Elite, 35 mm, 0-degree, 35 mm length
    • Saddle: Bontrager Arvada, hollow chromoly rails, 138 mm width
    • Seatpost: Bontrager Line Dropper, 170 mm travel, MaxFlow, internal routing, 34.9 mm, 310 - 450 mm length
    • Accessories: Bontrager BITS Internal Frame Storage Bag
    • Weight: M - 16.50 kg / 36.38 lbs (with TLR sealant, no tubes)

      We reserve the right to make changes to the product information contained on this site at any time without notice, including with respect to equipment, specifications, models, colours, materials and pricing. Due to supply chain issues, compatible parts may be substituted at any time without notice.

      Bike and frame weights are based on pre-production painted frames at time of publication. Weights may vary in final production.


       

      Size Guide

      Trek Slash Sizing Chart Size Guide

      How to Build Your Bike

      Aftercare

      At All Terrain Cycles, we want you to ride with confidence every time. To ensure your bike or e-bike stays in peak condition, here are some essential safety and maintenance tips.

      Bicycle Safety 

      Always wear a helmet – Safeguard against head injuries by using a properly fitted, safety-certified helmet.

      Perform pre-ride checks – Before each ride, verify that brakes, tyres, and gears are in good working order.

      Stay visible – Utilise lights and reflective gear when cycling in low-light conditions.

      Follow road rules – Ride responsibly and remain aware of your surroundings.

      Aftercare for Your New Bike Initial Check-Up (First 50-100 miles)

      Gear Adjustment – New cables may stretch slightly; have a qualified mechanic check and adjust them.

      Brake & Wheel Check – Inspect brakes for wear and ensure wheels are aligned properly.

      Lubrication – Apply chain oil and check bolt tightness to maintain smooth performance.

      Tyre Pressure – Regularly monitor to prevent flats and enhance efficiency.

      Routine Maintenance (Every Few Weeks)

      Chain Care – Clean and lubricate your chain to minimise wear and prolong its life.

      Brake Safety – Check brake pads and responsiveness before each ride.

      Tyre Inspection – Look for punctures and ensure correct air pressure.

      Handlebar & Stem Alignment – Confirm they are tight and secure to prevent instability.

      Frame Safety Check – Look for any signs of damage or cracks.

      Professional Check-Ups

      Have your bike serviced at least once a year, or more frequently if you ride often.

      Aftercare for Your New Electric Bicycle (e-Bike) Initial Check-Up (First 50-100 miles)

      Battery Care – Fully charge your battery (if required) before the first ride and store it in a dry, moderate-temperature environment.

      Avoid Overcharging – Unplug the charger once fully charged to extend battery life.

      Routine e-Bike Maintenance (Every Few Weeks)

      Motor Inspection – Listen for unusual noises and ensure smooth operation.

      Battery & Connection Checks – Inspect cables and connectors for dirt, moisture, or damage.

      Seasonal e-Bike Maintenance

      Check Electrical Components – Ensure wires and connections are clean and secure.

      Professional Servicing – Have your e-bike inspected at least once a year or every 500-1000 miles for optimal performance.

      By following these aftercare guidelines, you’ll help ensure that your bicycle runs smoothly, lasts longer, and remains a joy to ride. Stay safe and enjoy the ride!

      Read our full advice

      If you have any problems or concerns: Contact All Terrain Customer Services on 01274 588488 or email sales@allterraincycles.co.uk