Shimano XTR RT-CL900 Ice-Tech Centerlock Disc Rotor - 203mm - Centrelock - Standard - 1.8mm to 1.9mm - External Serration New Arrival Convex + Concave = Wave:

Convex + Concave = Wave: The front half of the pedal has a concave profile that hugs the ball of your foot for unmatched grip

Includes fittings and adaptors

Made of thin steel and are nickel plated and heat treated for long use

A2 Spec has no marking at the top of the stanchion and the speed adjuster knob is black (vs Silver for the A1)

This is the caliper only and does not include a brake hose or banjo bolt

Shimano XTR RT-CL900 Ice-Tech Centerlock Disc Rotor - 203mm - Centrelock - Standard - 1.8mm to 1.9mm - External Serration New Arrival Convex + Concave = Wave:When developing the XTR CL900 brake rotors, Shimano engineers succeeded in preventing heat related deformation of the rotors. As a result, the CL900 rotors offer more reliable, more controllable braking performance and are quieter than ever before. Fortunately, the weight has remained at the same low level as the previous version. Also on board is Shimano's Ice Tech cooling technology, which ensures excellent heat dissipation and constant braking