In the late 1920’s and early 1930’s, the Race Department experimented with a "trailing link" fork design on factory hillclimb race bikes. This distinctive design was the inspiration behind these reproduction Hillclimb Springer forks.
The selection includes forks for stock or similar Springer drum brakes and forks for Custom disc brake systems. Length is measured from axle center line to seat of lower steering head bearing.
1.) The pivot point of the brake shackle on the backing plate or caliper bracket must not be positioned vertically above or in front of the wheel axle (driving direction). In this case the moving forces in your fork parallelogram will be reversed and the fork will rebound instead of being compressed when you apply the brake. This will generate very high forces to impact on your rigid fork leg with possible damage.2.) Caliper bracket or drum brake backing plate must float on the wheel axle. If not, the fork will rebound as well when applying the brake. Result: see above.
- fits Big Twins
- for Big Twin Springer drum brake and axle
- steel, black, powder-coated, with chromed springs, internal thread of neck post: 3/4”-14 UNS
- rake: 0 °
Internal Threads on the Upper End of the LegsFor custom riser installation the fork legs have M20x1.5 internal threads at the upper end and accept riser adapter studs or plugs which are available separately; an extra added by the manufacturer which saves you a lot of work and axle grease.
Inline vs. Offset
Classic Springer Forks are produced for different frame rakes.
- In the beginning, both the main tubes and the steering stem were in the same plane. This is called "inline". The rake is 0°. Of this type were all 45” Springer forks 1936-1957 and all Big Twin forks 1936-1945.
- From 1946 onwards the Big Twins had the neck angle increased to 30°. To maintain fork inclination and ground clearance, the steering stem was tilted to the rear by 3°. We call these forks Offset -3°, they were stock on 1946-1948 Big Twins.
- When building a bike with ≥+8” extra long forks you don’t want the steering neck so high and inclined that the bike is difficult to steer. Therefore such forks are manufactured with a positive rake, i.e. the steering stem is inclined to the front by 3°. We call these forks Offset +3°.
Bearing Adjuster Nuts for Classic Springer Forks
NSW Top Fork Clamps
Bates Riser Adapters
Steering Damper Assemblies Springer Fork
Faber Cycle Stelling & Hellings Top Fork Clamps
Cannonball El Jefe 3.5" Handlebars
Have any questions?
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