2S3-F48B0-V0-00: This aluminum rack is formed and finished to coordinate with other VMAX accessories. Attaches to passenger backrest (2S3-F84U0-V0-00), sold separately. 2S3-F48B0-T0-00: This aluminum rack is formed and finished in black to coordinate with the black Low Profile Backrest. The rack attaches to the Low Profile Passenger Backrest (2S3-F84U0-S0-00), sold separately.