Shimano DXR MX70 FC-MX71 Double Gear Fixing Bolt(M8X7) & Nut(4 SETS) - Y1MA98050 Shimano Small Parts BMX DXR MX70 Small Replacement Part for: Shimano FC-MX71 Double Gear Fixing Bolt(M8X7) & Nut(4 SETS) Used as part of Shimano Bike Parts; DXR MX70