Fox Titan Race Knee Guards - L-XL - Black Virtual Parent These are commonly referred to

These are commonly referred to as "reducing crown races"

Perforated 3ply VPD 2

Tubeless: Tubeless taped and valved

Checkout the M7100 cranks if you want an option with a 52mm chainline that is compatible with both non-Boost (142mm) and Boost (148mm) frames

Fox Titan Race Knee Guards - L-XL - Black Virtual Parent These are commonly referred toThe Fox Titan Race Knee guards provide hard Plastic knee coverage for use under your race pants. The low profile knee pads balance a soft, vented bio foam chassis for comfort with hard plastic protection from the nastiest impacts. With an elastic strap system with hook and loop adjustment and a one time adjust posi lock strap system these guards are easy and fast to fit and will stay in place thanks to the silicone print on the bio foam.