Cylinder shim / aluminum base gasket 0.4mm CGN for MBK 51 / av10 motobecane

0.4mm CGN aluminum cylinder shim, this shim also acts as a base gasket and does not crash when tightening. Ideal for increasing the diagrams of your cylinder! It can be mounted with several other shims to arrive at 1mm, 1.5mm, 2mm, 2.5mm ... This shim takes the shape of the original transfers of the MBK 51 / MOTOBECANE AV10 engine.

Please note, the price relates to only one wedge, product sold individually!