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Trek Slash+ 2025 Service Manual

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Slash+ 2025
SERVICE MANUAL

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Summary of Contents for Trek Slash+ 2025

  • Page 1 Slash+ 2025 SERVICE MANUAL...
  • Page 2 Notice: Measurements of actual tires may vary. Always verify there is sufficient clearance between the tire and the frame. Improper tire size could damage the bicycle frame. Trek recommends 6mm clearance above and on both sides of the tire. Bottom bracket BSA73 Minimum insertion: Refer to seatpost manufacturer.

  • Page 3: Additional Resources

    It does not contain instructions for all components (such as brake calipers). Refer to the original manufactur- er for more information. Additional resources • Trek Bicycle Owner’s Manual: trekbikes.com/manuals trekbikes.com/manuals • TQ Quickstart Guide: • TQ Comprehensive Owner’s Manual: trekbikes.com/manuals...

  • Page 4: Adjustable Headset

    Slash+ 2025 Adjustable headset Optional: For instructions on switching to the angle adjustable cups, see the Adjustable Headset Instructions on the Slash+ page on trekbikes.com. Angle adjustable cups Upper bearing cover — W5275173 Shorter upper cup, S – M frames — W5295319 Compression ring —...

  • Page 5: Idler Pulley

    Fastener, stainless steel, M6 x 25 mm — W5270150 Idler pulley concave washer — W5305535 Idler pulley assembly — W5325188 Idler pulley spacer — W5305382 Idler pulley post — W5305204 Fastener, socket head, M4 x 25 mm, Trek service part not available. Source locally. Idler guide — W5307894...
  • Page 6 Slash+ 2025 Active Braking Pivot See Torque order on page 9. With SRAM Transmission Derailleur Important: For proper derailleur adjustment, the chain guide must be fully installed. See Chain guide on page 14. Derailleur hanger Thru axle, M12 x 167.35 mm — W583469 NOTICE: Do not apply grease.
  • Page 7 Slash+ 2025 Main pivot and chainstay See Torque order on page 9. Install both driveside bearings first. Chainstay — 48333* *Paint matched part. See trekbikes.com to find the color-matched part for your bike. Fastener, M6 x 25mm — W5270150 Concave washer — W5270027 Thru axle, 12 x78 mm —...
  • Page 8 Slash+ 2025 Rocker pivot and seatstay See Torque order on page 9. Apply grease to outer cylindrical surfaces. Install driveside bearing first Spacers, 4 mm wide — W5305806 Seatstay — 48334* Bearings, 17 x 30 x 7 mm — 5290435 Fasteners, M10 x 21 mm —...
  • Page 9 Slash+ 2025 Rear shock hardware See Torque order on page 9. Apply grease to outer cylindrical surfaces. Upper shock mount axle, M6 x 67 mm — W5305189 Bearings, 12 x 24 x 6 mm — 5290440 Shock Dimensions Hat-style washers — W5257189 Eye-to-Eye-length: 230 mm Concave washer —...
  • Page 10 Slash+ 2025 Torque order Important: Remove the bike from the bike stand and set it on the ground before torquing all fasteners to spec.
  • Page 11 Slash+ 2025 Brake and mechanical shift routing Press to remove the tabs to create space for cable housing. Original equipment Service part Rear brake hose Fastener, M5 x 8 mm — W596823 Rear derailleur cable housing Bolt-on cable guide, double —...
  • Page 12 Slash+ 2025 AXS shift routing To remote AXS-equipped bikes include the TQ Smart Box. It has connections for a front light, rear light, aux 12, and electronic shifting. To charge port Derailleur powered by TQ battery Connect SRAM extension cord cable and TQ AXS adapter cable here.
  • Page 13 Slash+ 2025 Seatpost dropper routing Press to remove the tabs to create space for cable housing. Remove the access panel (See page 19) and the battery cover (See page 21) for better access to route the seatpost dropper housing. Seatpost dropper housing Cable exit guide —...
  • Page 14 Slash+ 2025 Guards Adhesive guard Use isopropyl alcohol to clean the frame surface where the guard attaches. Wait for the alcohol to dry before applying the guard. NOTICE: Do not clean the entire frame with isopropyl alcohol. Isopropyl alcohol could damage the paint.

  • Page 15: Chain Guide

    Slash+ 2025 Chain guide Chain guide installs via the motor bolts. Install with the motor. Important: Install before adjusting the derailleur. Alignment arm and back- plate should be parallel and even at this edge. Chain guide — W5319609...
  • Page 16 Slash+ 2025 Fender Fender — W5308789 Fasteners, M4 x 10 mm...
  • Page 17 Slash+ 2025 Speed sensor routing Speed sensor cable and motor connection Internal guide tube Frame plugs — W600208 Fastener, M4 x 6 mm — W575056 Speed sensor cable — 5289567 Magnet, attaches to brake rotor — 5289568 Speed sensor clip — W5327061...
  • Page 18 Slash+ 2025 Display and remote For AXS-equipped bikes, refer to the connection diagram in AXS shift routing on page 11. Display — 5289562 — 5289562 Fastener, M3 x 20 mm Remote with fastener and cable — 5289561...
  • Page 19 Slash+ 2025 Charge port cover Fasteners, M2.5 x 8 mm — 5289578 Charge port cover Charge port locations Tip: You can use the display opening in the top tube to hold the charge port in place while tightening the fasteners...
  • Page 20 Slash+ 2025 Main power cable, cable tray, and access panel Brake and me- chanical shift routing on page 10. Fasteners, M4 x 8 mm — W5263894 Main power cable, kit includes charge port cover (See Charge port cover on page 18) —...
  • Page 21 Slash+ 2025 Replace the cable tray Slide the charge port assembly aid into the cable Insert the upper fastener. tray. Tip: For M-XL frames, use a hex tool to hold the as- sembly in place. Attach the charge port to the cable tray and route the cable down the slot in the cable tray.
  • Page 22 Slash+ 2025 Battery Install the battery with the LEDs facing the non-driveside. Battery, 580 Wh — W5317507 Fasteners, M6 x 16 mm — W5275266 Fasteners, M4 x 8 mm — W547053 Battery end cap, upper — W5316285 Battery end cap, lower — W5316286 Battery cover —...
  • Page 23 Slash+ 2025 Ride the bike without the battery Note: AXS wireless derailleurs are powered by the e-bike battery and will not work with the e-bike battery removed. To ride an AXS bike without the e-bike battery, a separate AXS derailleur battery is required.
  • Page 24 Non-drive side TQ Motor, high pivot — 5328131 Fasteners, M4 x 8mm — W547053 Motor bolts, 76.5 mm — 5289570 Fasteners, M4 x 14 mm. Trek service part not (part number is 1 bolt) available. Motor cover — W5316275...
  • Page 25 Slash+ 2025 Motor lockring Protective sleeve NOTICE: Before assembling the chainring and lockring, place the protective sleeve over the bottom bracket spindle. Failure to use the sleeve could damage the seal on the lockring and allow water to — 5309454 damage the motor.
  • Page 26 Slash+ 2025 Re-install the cranks NOTE: A CWP-7 Crank Puller may be helpful to remove some types of crank arms. The TQ system is designed for cranks to be installed in the UP position and in alignment with the notches on the spindle.
  • Page 27 Slash+ 2025 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...
  • Page 28 Slash+ 2025 Connect lights to the TQ Smart Box Light adapter cable with Micro A connector Smart Box outputs Lights can be connected to the TQ Smart Box and powered by the bike battery. The Smart Box power outputs must be activat- ed via the Dealer Service Tool (bike shop use only).

  • Page 29: Specifications

    NOTICE: Measurements of actual tires may vary. Always verify there is sufficient clearance between the tire and the frame. Improper tire size could damage the bicycle frame. Trek recommends 6 mm clearance above and on both sides of the tire. Fork Minimum insertion: Refer to seatpost manufacturer.

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