Fork parts for the Surly Disc Trucker 700c (2nd generation (2020 platform))

Parts menu — 2 parts

• Cane Creek 40-Series headset EC34/28.6 | EC34/30 (1-1/8" straight)

  Headset

  unknown · confidence: inferred

  • Headset, upper : EC34/28.6Check your installed setup or its technical sheet.
  • Headset, lower : EC34/30Check your installed setup or its technical sheet.
  Why? The facts we compared (2 dimensions compared)

  • Headset, upper: bike nothing on file · part EC34/28.6 — not on file
  • Headset, lower: bike nothing on file · part EC34/30 — not on file

  Sources:

  • Cane Creek — 40-Series - EC34/28.6 | EC34/30 - Complete - BAA0068K (tier 1, read 2026-08-21)
  • Cane Creek — Everything you need to know about headsets — S.H.I.S. (tier 1, read 2026-08-21)

  View specifications →

• Surly Disc Trucker thru-axle fork 700c, black, FK1479

  Fork

  Fit checks required · confidence: single-source Compatibility is not confirmed. Verify the listed mounting requirements before buying or installing this part.

  • Wheel size (ISO bead seat) : 700c / 29" (ISO 622)Check your installed setup or its technical sheet.
  • Steerer tube : 1-1/8" straight threadlessCheck your installed setup or its technical sheet.
  • Front axle spacing : Thru-axle, 100 × 12 mmCheck your installed setup or its technical sheet.
  • Brake mount, front : Rear-standard flat mount on a fork (Surly Disc Trucker)Check your installed setup or its technical sheet.
  • Fitted front tyre width : ≤ 47 mmCheck your installed setup or its technical sheet.
  • Approved replacement fork axle-to-crown length : 390 mmCheck your installed setup or its technical sheet.
  • Approved replacement fork offset : 45 mmCheck your installed setup or its technical sheet.
  • Minimum required fork steerer length : ≤ 350 mmCheck your installed setup or its technical sheet.
  • Approved replacement fork assembly interface : Surly Disc Trucker 700c thru-axle fork, 390 mm axle-to-crown / 45 mm offsetCheck your installed setup or its technical sheet.
  • Fitted front rotor diameter : 140 mmCheck your installed setup or its technical sheet.
  Why? The facts we compared (10 dimensions compared)

  • Wheel size (ISO bead seat): bike nothing on file · part 700c / 29" (ISO 622) — not on file
  • Steerer tube (safety-critical): bike nothing on file · part 1-1/8" straight threadless — not on file
  • Front axle spacing (safety-critical): bike nothing on file · part Thru-axle, 100 × 12 mm — not on file
  • Brake mount, front (safety-critical): bike nothing on file · part Rear-standard flat mount on a fork (Surly Disc Trucker) — not on file
  • Fitted front tyre width (safety-critical): bike nothing on file · part ≤ 47 mm — not on file
  • Approved replacement fork axle-to-crown length (safety-critical): bike nothing on file · part 390 mm — not on file
  • Approved replacement fork offset (safety-critical): bike nothing on file · part 45 mm — not on file
  • Minimum required fork steerer length (safety-critical): bike nothing on file · part ≤ 350 mm — not on file
  • Approved replacement fork assembly interface (safety-critical): bike nothing on file · part Surly Disc Trucker 700c thru-axle fork, 390 mm axle-to-crown / 45 mm offset — not on file
  • Fitted front rotor diameter (safety-critical): bike nothing on file · part 140 mm — not on file

  Sources:

  • Surly — Disc Trucker Thru-Axle Fork — 700c / Black FK1479, official product data (tier 1, read 2026-09-28)
  • Surly — Disc Trucker redesign — captured thru-axles and rear-standard flat mount on fork (tier 1, read 2026-09-28)

  View specifications →