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2023 Carbon Rail
9.5, 9.7, 9.8, and 9.9 Gen 4
SERVICE MANUAL
Rev 1 January 2023

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Summary of Contents for Trek Rail 9.5 Gen 4

  • Page 1 2023 Carbon Rail 9.5, 9.7, 9.8, and 9.9 Gen 4 SERVICE MANUAL Rev 1 January 2023...
  • Page 2 Notice: Measurements of actual tires may vary. Always W581379 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 the sides of the tire. Fork Wheel set...
  • Page 3 2023 Carbon Rail Headset with Knock Block Tools Upper bearing cover • 2.5mm hex tool Chip bolt — W532763 — 5252161 • Grease Knock Block chip Compression ring — W532842 Upper bearing — W531676 Lower bearing, 1.8" diameter — W5269809 Crown race, for 1.5"...
  • Page 4 2023 Carbon Rail Active Braking Pivot (ABP) Rail 9.8 and Rail 9.9 — Carbon seatstay and chainstay 20x30 20x30 25Nm Rail 9.5 and Rail 9.7 — Alloy seatstay and chainstay 20x30 20x30 25Nm Switch lever — W573860 Derailleur hanger Thru axle — W583470 Washer —...
  • Page 5 2023 Carbon Rail Rocker pivot and seatstay 21x12 17Nm 19x10 21x12 Important: Install 19x10 driveside bearing first. 17Nm 22Nm Seatstay, carbon — 30893 Bolts — W5270150 Seatstay, aluminum — 35491 Search trekbikes.com to find the color-matched part Bearings — W5256339 for your bike.
  • Page 6 2023 Carbon Rail Adjust the geometry Flip the Mino links in the seatstay pivot to change the bike’s geometry to fit your riding style or the terrain. Notice: If using a 29" front wheel and a 27.5" rear wheel, the Mino links must be in the high position. Steeper head tube angle Slacker head tube angle 0.5°...
  • Page 7 2023 Carbon Rail Main pivot and chainstay 30Nm 26x17 26x17 Important: Install driveside bearing first. Tools Nut — W584134 • Bearing press, 26x17 drift Spacers — W440921 • 8mm hex tool • Torque wrench with 8mm hex bit Bearings — W5256338 —...
  • Page 8 2023 Carbon Rail Shock mounts Standard Trunnion 17Nm 10x19 10x19 10Nm 10x19 10x19 17Nm 10x19 10x19 10Nm 10x19 10x19 Tools Dimensions • Bearing press, 10x19 drift Shock Dimensions • 5mm and 6mm hex wrenches Eye-to Eye-length: 230mm • Torque wrench with 5mm and 6mm hex bits Stroke length: 57.5mm Standard upper shock mount bolt and end cap —...
  • Page 9 2023 Carbon Rail Cable routing — Rail 9.8 and 9.9 with System Controller     2 3 5 0.5Nm Dropper post cable is routed through a cable tunnel 0.5Nm Non-drive side Flat head screws — W532763 Dropper post cable Cable guides —...
  • Page 10 2023 Carbon Rail Cable routing — Rail 9.5 and 9.7 with LED Remote 0.5Nm   2 3 5   Dropper post cable is routed through a cable 0.5Nm tunnel Non-drive side Battery power cable — EB12.120.04A* Dropper post cable Flat head screws —...
  • Page 11 2023 Carbon Rail Frame guards and water bottle cage bolts (Must be used with Seatstay guard — W5255862 Adhesive guards and pads Chainstay guard — W587594 Use isopropyl alcohol to clean the frame surface where the guards and pads attach. Wait for the alcohol to dry before Screw (S, M frames only) —...
  • Page 12 2023 Carbon Rail Display and remote Rail 9.8 and Rail 9.9 Rail 9.5 and Rail 9.7 System controller Display cover Bolt — W5287174 Bolt — W5287174 System controller* Display cover — W5291499 Display grommet — W5285659 LED remote *Bosch part number. Not available on trekbikes.com. Mini remote LED remote —...
  • Page 13 2023 Carbon Rail RIB — battery assembly 2.5Nm 2.5Nm Docking bracket — W5252240 Battery, vertical, Smart System, S frame, 625Wh — EB12.100.012* Bolts, M3x20 — W5254060 M - XL frame -750Wh — 5288731 Cover, 625Wh battery — 37359 Push pin and spring — 5312675 Cover, 750Wh battery —...
  • Page 14 2023 Carbon Rail RIB — docking assembly Lower assembly Upper assembly Tip: Use the hex tool to depress the plunger to create access to the screw in the ejector assembly. 2Nm 2Nm Alignment plate Battery connection plug — EB12.100.015* S frame, 650Wh battery — W5252805 M–XL frame, 750Wh battery —...
  • Page 15 2023 Carbon Rail Drive system components Drive unit and mounting bolts Speed sensor 20Nm 20Nm Mounting bolts, TP40 — 5265419 Battery charge port Speed sensor chainstay plug — W587873 Speed sensor — 5284750 1.5Nm Bolt — W562831 Rotor mount speed sensor magnet — W5252927 Charge port cover —...
  • Page 16 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. Fork...

This manual is also suitable for:

Rail 9.7 gen 4Rail 9.8 gen 4Rail 9.9 gen 4