Shimano SM-RT54-SE Disc Brake Rotor - 160mm Center Lock For Resin Pads Only External Spline Lockring MFPN=IM9100JLFPMA100 That's probably why it's one

That's probably why it's one of the most imitated tires in mountain biking

Model RXF M

which quickly seal any hole up to 1/4"

The third chamber is the negative spring which can futher be customized by removing or adding up to two volume spacers

Shimano SM-RT54-SE Disc Brake Rotor - 160mm Center Lock For Resin Pads Only External Spline Lockring MFPN=IM9100JLFPMA100 That's probably why it's oneThe Shimano SM RT54 disc brake rotors provide exceptional stopping power in all riding conditions. Shimano's Center Lock mounting system makes installing and removing rotors quick and easy thanks to the spine mount and lock ring design. For use with resin pads only Center Lock lockring design offers fast and easy installation Rotor Size (mm) 160 Rotor Type Two Piece Pad Compatibility Resin Pads Only Hub Disc Compatibility Center Lock