ITEM NAME:6pcs Mountain Bike Flexible Cycling Sealing Ring Nitrile Disc Brake Caliper Features: This tube sealing o-ring is made of durable nitrile material, which is stretch resistant and not easy to be worn out. This oil tube o-ring can seal the oil tube and solve the problem of leakage, let you have a better using experience. The package come with 2pcs disc brake seal ring, and 4pcs five-wire body seal ring. This sealing o-ring is a good choice for you to use and replace the worn or damaged o-ring. This o-ring is elastic which is easy for you to install,it can firmly be placed and won't easily fall off. Specifications: Item Type: Sealing Ring Material: Nitrile Color: Black Quantity: 6Pcs Size: (Dia. x H) Disc Seal Ring: About 9mm x 1.5mm Five-wire Body Seal Ring: About 8mm x 1mm&;nbsp; Application: Mountain bike SLX series-M675 M7000 M7100 clamp Mountain Bike Series-M785 M8000 M8100 clamp Mountain Bike Series-M9020 M9000 M9100 clamp Sports car/road car clamp R7070 R8070 R9170 RS785 RS805 clamp Package Includes:&;nbsp; 6Pcs x Sealing Ring(2Pcs x Disc Seal Ring + 4Pcs x Five-wire Body Seal Ring)&;nbsp;&;nbsp; Notes:&;nbsp; Transition: 1cm=10mm=0.39inch&;nbsp; 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!&;nbsp; 2. Please allow 1-3cm measuring deviation due to manual measurement..Quantity: 6Pcs. 6Pcs x Sealing Ring(2Pcs x Disc Seal Ring + 4Pcs x Five-wire Body Seal Ring)&;nbsp;&;nbsp;. This tube sealing o-ring is made of durable nitrile material, which is stretch resistant and not easy to be worn out.