8mm long for double chainrings. Bolt sets are precision manufactured from high-quality aluminum alloy then anodized for protection and to match or upgrade your favorite bike. Precision manufactured from high-quality aluminum alloy.
Vuelta SE Chainring
SRAM Chainring Bolt Kit 5 Arm for Red 2013 (Hidden Bolt), 11.6918.000.001 - Aluminium Black
Bike Crank Bolt M15/26 Self-Extracting for SRAM X9 X0 Bicycle Components Aluminum Alloy Black(Bolt+Nut)
UPANBIKE Mountain Bike Chainring Guard BCD 104mm Aluminum Alloy Chainring Protector Cover For 36~38T Bicycle Chainring Sprockets
UPANBIKE Mountain Bike Chainring Guard BCD 104mm Aluminum Alloy Chainring Protector Cover For 32~34T Bicycle Chainring Sprockets
UPANBIKE Mountain Bike Chainring Guard BCD 104mm Aluminum Alloy Chainring Protector Cover For 40~42T Bicycle Chainring Sprockets