The New Elevn Aero Quick Release Seat Post clamp is made exclusively for the Chase ACT 1.0, RSP 3.0 and Element Frames with Aero Seat Tube.

Sizes :
25.4mm (Mini, Junior and Expert size frames)
27.2mm (Expert XL and above sized frames)
Weights : 37g (25.4) 39g (27.2)

Colors :
Black, White, Polished, Red, and Blue