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Description
Ideal in case of breakage or wear, here is the spare hub (barrel), machined in high quality steel for DOPPLER ER2 and ER3 variators on MBK 51 / MOTOBECANE AV10, AV7… With clutch only! Delivered as presented.
Features :
-Total length with 71mm thread
-Diameter of Ø20 and Ø24mm threads
-Length without thread 48mm
-Diameter of the hub / barrel Ø28 and Ø21mm