gaffelenders

Gaffelenders are the ends of a bicycle fork where the wheel is mounted. The term derives from the Dutch words gaffel (fork) and ender/enders (ends) and is commonly used as the equivalent of the English term dropouts. They are the interface between the fork and the wheel axle and must securely locate the wheel while allowing for wheel removal.

Gaffelenders come in several designs. Vertical dropouts hold the axle in a fixed position and are common on many traditional forks. Horizontal or adjustable dropouts allow the wheel to be moved forward or backward to set chain tension on singlespeed or fixed-gear bikes or to accommodate slight frame variations. Through-axle compatible dropouts are designed to accept wider hub standards and require a hollow axle that passes through the dropout and frame, providing increased stiffness and alignment on modern bikes. Some forks use sliding or adjustable dropouts to provide extra wheelbase adjustment or maintenance flexibility.

Construction and compatibility vary by material and purpose. Dropouts may be made from steel, aluminum, titanium, or carbon fiber and are often designed to support mounting points for racks and fenders. They must match the axle standard of the hub and fork, such as quick-release, through-axle, or other proprietary systems. Compatibility with disc brakes, hub spacing, and frame design also affects dropout selection.

Maintenance and inspection are important for safety. Inspect for cracks, bending, or excessive wear at the dropout faces. Ensure the axle is correctly seated and tightened to the specified torque, and replace damaged dropouts to prevent wheel misalignment or failure.

See also: Bicycle fork, Dropout, Axle, Through-axle, Quick-release.