TRiPEAK Hollow Frame Design
Why does the JetstreamPRO AOPW use a hollow frame design?

The hollow frame design not only enables the offset mounting design of the 18T oversized pulley, but also allows the 18T pulley to accommodate a large 44 mm bearing.

The larger bearing provides stable support and smoother rotation, allowing the pulley to deliver high-speed, low-resistance rotational performance.

And finally, there’s one more important advantage—

It looks great. No need to explain too much.