Tornillos de plato STONE aleación rueda dentada tornillos tuercas para FC-9000 R7000 R8000 R9100
It fit for Ultegra r8000 R7000 DURA-ACE R9100 R9200. for R9100, DURA-ACE. for R8000, Ultegra. for R7000, 105. 1 Set for bolts and nuts, NOT include chainring and crank. Use for Single Speed, chainring thickness need 4mm.