Avid/ SRAM 20mm Post Mount Disc Brake Adaptor Fits 180mm Front 160mm Rear Rotors MFPN=PD22AERRED Two different chainline options are

Two different chainline options are available

}SRAM X-Sync 2 Eagle Direct Mount Chainring 38T Boost 3mm Offset

you can transfer the spindle between Rally RK/Rally RS pedal body kits (sold separately)

Waterproof-breathable construction

Avid/ SRAM 20mm Post Mount Disc Brake Adaptor Fits 180mm Front 160mm Rear Rotors MFPN=PD22AERRED Two different chainline options areSRAM Avid Post Mount disc brake caliper mounting adaptors provide alternative mount positioning that allow the caliper to be used with different sized rotors than used on the frame or fork caliper mount. Brake Caliper Type Post Mount Mount Rotor Size 180 Post 200 Rotor