Universal & Custom Motorcycle Parts for Vintage Builds

Universal & Custom Motorcycle Parts for Vintage Builds

Not every old motorcycle is going back to factory stock. Some bikes are restored. Some are repaired just enough to get back on the road. Others become cafe racers, brat bikes, trackers, choppers, bobbers, or garage-built customs that started with one simple idea and somehow turned into half the bike sitting on the workbench.

This collection brings together universal and custom motorcycle parts for vintage builds, repairs, and modifications. It includes the kind of parts riders often need when changing handlebars, controls, mirrors, lighting, gauges, brakes, suspension, exhaust, fuel lines, electrical parts, fairings, or metric hardware.

Universal parts are useful when original parts are missing, worn out, modified, or no longer make sense for the bike you are building. But universal does not mean guaranteed fit. Always check measurements, mounting style, bar diameter, thread size, voltage, clearance, and product notes before ordering.

Built for Old Bikes, Custom Builds, and Garage Reality

Old Bike Barn focuses on practical parts for vintage motorcycles, older Japanese bikes, and custom machines that are still worth saving. Whether you are cleaning up a rider, finishing a custom build, replacing worn-out parts, or trying to undo a previous owner’s creative wiring decisions, this section is here to help keep the project moving.

Before ordering, compare your existing part to the photos and description. If your bike has already been modified, assume nothing. Measure first, order second, swear less later.

Use the filters to narrow this collection by part type, including handlebars, lighting, mirrors, shocks, exhaust, fuel system parts, electrical parts, and hardware.
In stock Honda Tin Sign
$23.95 USD
In stock Universal motorcycle Hex Head Nuts 5mm
$1.95 USD
In stock Universal motorcycle Hex Head Bolts 6X 14mm
$3.95 USD
In stock Universal motorcycle Hex Head Bolts 5X 15mm
$4.95 USD
In stock Universal motorcycle Flat Washers 10mm Pk/10
$1.95 USD
In stock Universal motorcycle Flat Washers 8mm Pk/10
$1.95 USD
In stock Universal motorcycle Flat Washers 6mm Pk/10
$1.95 USD
In stock Universal motorcycle Flat Washers 5mm Pk/10
$1.95 USD
In stock Universal motorcycle Lock Washers 10mm
$9.95 USD
In stock Universal motorcycle Lock Washers 8mm
$1.95 USD