Trek Slash Alloy Gen 6 Service Manual
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Trek Slash Alloy Gen 6 Service Manual

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Slash Alloy and Carbon – Gen 6
SERVICE MANUAL
Rev 1 November 2023

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Summary of Contents for Trek Slash Alloy Gen 6

  • Page 1 Slash Alloy and Carbon – Gen 6 SERVICE MANUAL Rev 1 November 2023...
  • Page 2 Downtube storage chain guards chain guards Change: rear wheel headset angle 29" progression 27.5" Change to a 29” rear Adjust the headset Adjust the wheel angle progression Torque Specs order Torque order Specifications Copyright 2023 Trek Bicycle Corporation All Rights Reserved...

  • Page 3: Additional Resources

    It does not contain instructions for all components (such as brake callipers). Refer to the original manufacturer for more information. Additional resources • Bicycle Owner’s Manual: trekbikes.com/manuals • Trek’s YouTube channel: youtube.com/trekbikes...

  • Page 4: Adjustable Headset

    Slash Alloy and Carbon – Gen 6 Adjustable headset See Adjust the headset angle on page 21. Upper bearing cover — W5275173 Compression ring — W532842 Upper bearing — W531676 Upper cup, 0° angle — 5304949 — W5285212 Press-fit lower cup, 0° angle — 5304949 Lower bearing —...

  • Page 5: Idler Pulley

    Slash Alloy and Carbon – Gen 6 Idler pulley NOTE: For 55 mm chain lines only. Tip: Remove the idler pulley Remove the chain, then: Bearing and retaining clip face out. Fastener, — W5271172 Idler guard — W5307894 Fastener, stainless steel, M6x25 mm — W5270150 Idler pulley concave washer —...
  • Page 6 Slash Alloy and Carbon – Gen 6 Active Braking Pivot with Universal Derailleur Hanger Carbon frame Important: The lower chain guard (page 15 page must be fully installed before adjusting the derailleur. Alloy frame Dérailleur hanger Thru-axle, M12x167.35 mm — W583469 NOTICE: Do not apply grease.
  • Page 7 Slash Alloy and Carbon – Gen 6 Active Braking Pivot with SRAM Transmission Derailleur Carbon frame Important: The lower chain guard (page 15 page must be fully installed before adjusting the derailleur. Thru-axle, M12x167.35 mm — W583469 Non-driveside ABP bolt — W5251141 Non-driveside ABP dropout nut —...
  • Page 8 Slash Alloy and Carbon – Gen 6 Main pivot and chain stay See Torque order on page 10. Install driveside bearings first Chain stay* Carbon — 46192 Alloy — 46193 *Paint matched part. See trekbikes.com to find the colour-matched part for your bike. Fastener, M6x25 mm —...
  • Page 9 Slash Alloy and Carbon – Gen 6 Rocker pivot and seat stay See Torque order on page 10. Install driveside bearing first Two-piece rocker pivot* Seat stay* Carbon — 46196 Carbon — 46194 Alloy — 46197 Alloy — 46195 Spacers, 4 mm wide — W5305806 Fasteners, M10x21 —...
  • Page 10 Slash Alloy and Carbon – Gen 6 Rear shock hardware See Torque order on page 10. Change to a 29” rear wheel on page 20 for instructions on changing the lower shock mounts to switch to a 29" wheel on M-XL frames. Upper shock mount axle, M6x67 —...
  • Page 11 Slash Alloy and Carbon – Gen 6 Torque order Important: Remove the bike from the bike stand and set it on the ground before torquing all fasteners to spec.
  • Page 12 Slash Alloy and Carbon – Gen 6 Carbon routing with mechanical shift Moulded-in cable tunnels Seat post dropper cable housing Rear brake hose Shift cable housing Frame plug, 7 mm — W5309145 Bolt-on cable guide, single — W311727* Fastener, M5 x 8 mm — W596823 Bolt-on cable guide, double —...
  • Page 13 Slash Alloy and Carbon – Gen 6 Carbon routing with AXS shift Moulded-in cable tunnels Seat post dropper cable housing Fastener, M5 x 8 mm — W596823 Rear brake hose Bolt-on cable guide, double — W311726* Frame plug, 7 mm — W5309145 Fastener, M5 x 10 mm —...
  • Page 14 Slash Alloy and Carbon – Gen 6 Alloy routing with mechanical shift Moulded-in cable tunnels Seat post dropper cable housing Rear brake hose Shift cable housing Frame plug — W5275264 Bolt-on cable guide, single — W311727* Fastener, M5 x 8 mm — W596823 Bolt-on cable guide, double —...
  • Page 15 Slash Alloy and Carbon – Gen 6 Alloy routing with AXS shift Moulded-in cable tunnels Seat post dropper cable housing Fastener, M5 x 8 mm — W596823 Rear brake hose Bolt-on cable guide, double — W311726* Frame plug, 6 mm — W5309144 Fastener, M5 x 10 mm —...
  • Page 16 Slash Alloy and Carbon – Gen 6 Carbon frame and chain guards Bonded strike guards To improve adhesion, use sandpaper to roughen the backside of the guards and/or remove remnants of the old guard from the areas of the frame where epoxy will be applied. Attach the guards with a two-part epoxy.
  • Page 17 Slash Alloy and Carbon – Gen 6 Alloy frame and chain guards Adhesive guard Use isopropyl alcohol to clean the frame sur- face where the guard is attached. Wait for the alcohol to dry before applying the guard. NOTICE: Do not clean the whole frame with isopropyl alcohol.

  • Page 18: Chain Guide

    Slash Alloy and Carbon – Gen 6 Chain guide Install the correct number of spacers. SRAM drivetrain SRAM or Shimano drivetrain with a Transmission derailleur with a universal derailleur hanger 5 x 6 ID x 12 OD 5 x 6 ID x 12 OD 1 x 6 ID x 12 OD 1 x 6 ID x 12 OD Position the chain guide 32 mm below the chainstay guard.

  • Page 19: Rear Mudguard

    Slash Alloy and Carbon – Gen 6 Rear mudguard Important: The rear mudguard is only compatible with a 27.5" wheel. Mudguard and fasteners (M4x10 mm) — W5308789...
  • Page 20 Slash Alloy and Carbon – Gen 6 Downtube storage Torque all fasteners to 1.5 Nm Downtube storage assembly with matte black door — W5297657 Paint-matched storage door only — 46198 and 46199. See both part numbers on trekbikes.com to see all colour options. Important: Also order 1 to receive the fasteners, lever and base.
  • Page 21 Slash Alloy and Carbon – Gen 6 Change to a 29" rear wheel Size M-XL: To change to a 29" rear wheel, remove the 27.5" lower shock mounts and replace them with the 29" lower shock mounts. Size S: Is not compatible with a 29" rear wheel. Small frames use the same lower shock mounts as a 29" rear wheel, but 29" wheels do not fit on the small frames.
  • Page 22 Slash Alloy and Carbon – Gen 6 Adjust the headset angle -1° 0° +1° Install the angled cups Grease the cups and head tube bores. Tools • Upper angled cup: S — ML frames — W5295319 L — XL frames — W5295274 •...
  • Page 23 Slash Alloy and Carbon – Gen 6 Adjust the progression The shock progression chip can be flipped to fine tune the shock performance for the terrain or rider preference. 20% Progression Softer 25% Progression Firmer More reactive to repeated fast More bottom-out resistance over mid-size bumps and square-edge hits big hits and drops...

  • Page 24: Specifications

    Notice: Measurements of actual tyres may vary. Always verify that there is sufficient clearance between the tyre and the frame. Improper tyre size could damage the bicycle frame. Trek recommends 6 mm clearance above and on both sides of the tyre. Bottom bracket BSA73 Minimum insertion: Refer to seat post manufacturer.

This manual is also suitable for:

Slash carbon gen 6

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