Underground Customs in Chattanooga, Tennessee is a small independent motorcycle shop known for custom work, repairs, and performance upgrades. The shop services a mix of V‑twins and metric bikes, handling engine work, clutch and drive repairs, carb and fuel‑injection tuning, tires, and bolt‑on accessories. Riders appreciate being able to talk directly with the technician working on their bike and getting honest feedback on what is urgent versus what can wait. If you want a trusted local shop to help with repairs or a mild custom build, Underground Customs offers hands‑on motorcycle service just north of downtown Chattanooga.