Surly Disc Trucker Thru-Axle Fork in Grandpa’s Khakis is a 700c rigid steel touring/gravel fork built for riders who want modern disc-brake and thru-axle security without giving up real-world cargo flexibility. Its curved, full chromoly steel blades add comfort on long paved and mixed-surface days, while the fork’s mount layout supports racks, fenders, and extra carrying capacity for commuting, randonneuring, and loaded touring.
Built for loaded touring with modern fit and braking
Three-pack mounts on each blade - Supports cages and cargo mounts while preserving space for traditional touring setups
Flat-mount disc brake compatibility - Clean, modern caliper fit for consistent braking in wet weather and under load
12mm captured thru-axle fork ends - Improves front-end tracking and wheel retention versus quick-release designs
700c x 47mm tire clearance (with or without fenders) - Fits high-volume gravel/touring tires while keeping full fender functionality
Dynamo hub routing - Streamlines wiring for reliable all-weather lighting on endurance rides and tours
1-1/8" threadless steerer + 390mm axle-to-crown (700c) - Straightforward compatibility with common headsets and the correct geometry match for the Disc Trucker platform
Note: This fork is compatible with the second-generation Surly Disc Trucker (first released in 2020)—frames featuring rear thru-axle dropouts.
Specifications & Identifiers
Axle to Crown
390mm
Brake Mount
Flat Mount 160
Color
Grandpa's Khakis
Crown Race
30mm
Defined Color
Tan
Fork Rake
45mm
Front Axle Type
12mm Thru x 100mm
Front Hub Spacing
100mm
Material
Steel
Max Rotor Size (Fork)
160
Maximum Tire Clearance (Fork)
50mm
S.H.I.S. Stem Clamp Diameter
28.6
Steerer Tube
Straight
Steerer Tube Length
350mm
Wheel Size
700c
UPC
708752449466
MPN
04-002095
Tree Fort ID:
333222476757
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