70cc sport cast iron cylinder kit, complete with matching 2 piece cylinder head for motorcycles using either the Derbi D50B0 or D50B1 2-stroke engine.

Kit is supplied with barrel, piston, rings, gudgeon pin, circlips, base, head & exhaust gasket. Also includes 2 piece head with seal.

To fit this kit on Derbi Senda 2018 onward euro4 models you would need to use one of these temperature sensor adaptors.