Joint spy (spi) of crankshaft TEKNIX type & size origin (15X21X4mm) for MBK 51 / motobecane av10 / av7

Ideal for refurbishing your low engine and each disassembly of crankshaft / housings ... Here are the spinnaker / spy joints of TEKNIX crankshaft. They are original type and are the same size. Very good quality they are really not expensive compared to BIDALOT or MBK for example. A very good product from TEKNIX again. The price relates to only one joint spy.