The Mips Brain Protection System gives improved rotational impact protection

there is an option there to suit

Designed and built to remove and install Shimano direct-mount chainring lockrings found on XTR 9120

Cons: Narrow and medium widths only so you'll need to look elsewhere if you have wide sit bones

Available in 780mm wide

Cane Creek Hellbender Lite Headset Bearing - 34mm - 47mm - 7mm - 45/45 Needs Images The Mips Brain Protection SystemLightweight Aluminium with steel hybrid Hellbender LITE sealed cartridge bearing. ZS44 will take a 41mm bearing ZS56 will take a 52mm bearing IS41 will take a 41mm bearing IS42 will take a 42mm bearing IS47 33 will take a 47mm bearing IS52 will take a 52mm bearing All complete Cane Creek headset assemblies (top or bottom) will use a 3645 degree contact angle bearing, with the exception of the IS47 33 headset assemblies. IS47 33 will use a 4545 degree