Fox Mainframe Mips Helmet BSS-002797 X-Sync™ pulley features a 12-tooth

X-Sync™ pulley features a 12-tooth design that helps control the chain's lateral movement

so it’s on hand when you need it most

2 Truing Stand Base

offering more precision through the range of its movement

Shimano® 12-speed chains and Campagnolo® 13-speed chains

Fox Mainframe Mips Helmet BSS-002797 X-Sync™ pulley features a 12-toothAbout Fox Mainframe Mips Helmet Stylish, affordable, Mips trail helmet. The Mainframe Mips Helmet gives you exactly what you're looking for in an affordable helmet: proven safety features combined with easy trail steez. Featuring extended coverage to protect more of your noggin', the proven Mips impact protection will keep your brain safe in the event of a crash by absorbing and redirecting energies and forces that could otherwise damage it. With a