Chris King Seal & Snap Ring Kit For Rear Classic, ISO Disc,Single Speed, and BMX Hubs only / PHB536 CK_BOOST_HUB This eccentric ENO hub is

This eccentric ENO hub is made specifically for bikes with vertical dropouts

Puncture Protection by Vectran™ – Leading puncture resistance in the category of performance road tires

Standard casing Supple casing

All Astral rims are Tubeless Easy for pain-free tire installation you can do at home

) and high quality user-adjustable sealed cartridge bearings

Chris King Seal & Snap Ring Kit For Rear Classic, ISO Disc,Single Speed, and BMX Hubs only / PHB536 CK_BOOST_HUB This eccentric ENO hub is(Includes the PHB553 O Ring Kit) For Chris King REAR Classic, ISO Disc, Single Speed, or BMX hubs only Servicing your Chris King hub regularly will make it perform its best. O rings and seals don't normally need to be replaced with every cleaning or service, but after a while, it's a great idea to refresh your hub's seals to maximize your hub's ability to keep the grit out. To replace the most exposed seals in your hubs, no special tools are needed.