It's designed to minimise drag while maximising control

as well as Quadiem and Zurich (not compatible with DH series or Trail Series brakes) and allows you to fit Sram Matchmaker shifters

Colour:Black

Material: Alloy nipples for lighter weight

they are the same units

Quadlock iPhone Bike Case - iPhone 11 Pro Dangerous Goods It's designed to minimise dragQuad Lock Cases feature their secure locking mechanism compatible with all twist, lock mounts, impact resistant edge to edge cover, and protective lining. With a tough, polycarbonate core and impact absorbing TPU edge to edge outer shell, you can be confident that your iPhone will be protected every day. The slim profile and soft touch material make it perfect for everyday use. Quad Lock MAG Cases are thinner and flatter with a customisable MAG Ring.