Ganopper 5pcs M8 8mm Chainset Screw Single Speed ,Double Chainwheel Triple Sprocket Chainring Bolt Kit 5 Arm Chain Ring Bolt Nut for Fixie Road ,Track Mountain Bicycle MTB BMX Bicycle Component

Description

M8*4.9mm: (1)Use for MTB road bike refitting single disc Fixed gear single disc ,fixie disc MTB plus,minus disc Folding bike single disc BMX single disc DH,FR disc (2) Bolt available middle distance :4.9mm please make sure the thickness (disc and crank) is over 4.9mm M8*6.9mm: (1)Use for Fix 2 disc together Fix 1 disc and 1 protector cover Fix MTB ,folding bike ,road bike biggest disc and middle disc (2)Bolt available middle distance:6.9mm please confirm if the thickness (both disc and crank) is over 6.9mm M8*10.5mm (1) Use for Fix 2 discs and protective cover Fix 1 disc and protective cover normally it is used for folding bike (2)Bolt available middle distance:10.5mm(M8*10.5mm) Please make sure the thickness (both disc ,crank and cover)is over 10.5mm Package: Crank Arm Screw * 5 sets