Replacement cork gaskets are suitable for the quarter-turn chrome caps found on many British bikes; we also carry a two-inch size for oil tank caps. Monza-cap gaskets are made of rubber which is resistant to today's fuels. Sold individually.

Quarter-turn 2-1/2"chrome gas cap, common to many British bikes.

Nice, affordable, chrome gas cap, patterned off the original Magura cap. The circumference has a finer knurling, but the fit and the general appearance is very good.

New two-inch-diameter alloy Monza flip-up cap assembly.

Original equipment Yamaha gas cap, common to many 1970s models; replaces your mysteriously-shrunken cap. Bare cap only, gasket sold separately.

The industry-leading gas tank sealant, a must for using today's fuels in fiberglass tanks, and also an excellent choice to repair rusty steel tanks.

There are several styles from which to choose. We're working toward having some stock, but at this time, they are special-order. Comes with flip-up Monza cap. BSA B44 or B50 MX, Cub, Greeves, Ariel and more. Please call for specifics.

Cool, narrower version of the classic B44 "breadloaf" tank. Includes flip-up Monza cap. Center-mount fixing makes this a great choice for many applications. The tunnel is over three-inches wide, so B50 frame fitment is possible.

Beautifully handcrafted from aluminum alloy, and includes flip-up Monza cap.

Made in the Sammy Miller shape of high-quality fiberglass, finished in white; petcock and fuel cap are included. Special-order only; expect a two-week lead time.